28721420640
28,721,420,640 is an even composite number composed of seven prime numbers multiplied together.
28721420640 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of nine hundred sixty divisors.
Prime factorization of 28721420640:
25 × 34 × 5 × 11 × 31 × 67 × 97
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 11 × 31 × 67 × 97)See below for interesting mathematical facts about the number 28721420640 from the Numbermatics database.
Names of 28721420640
- Cardinal: 28721420640 can be written as Twenty-eight billion, seven hundred twenty-one million, four hundred twenty thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.872142064 × 1010
Factors of 28721420640
Divisors of 28721420640
- Number of divisors d(n): 960
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 31 32 33 36 40 44 45 48 54 55 60 62 66 67 72 80 81 88 90 93 96 97 99 108 110 120 124 132 134 135 144 155 160 162 165 176 180 186 194 198 201 216 220 240 248 264 268 270 279 288 291 297 310 324 330 335 341 352 360 372 388 396 402 405 432 440 465 480 485 495 496 528 536 540 558 582 594 603 620 648 660 670 682 720 737 744 776 792 804 810 837 864 873 880 891 930 970 990 992 1005 1023 1056 1067 1072 1080 1116 1164 1188 1206 1240 1296 1320 1340 1364 1395 1440 1455 1474 1485 1488 1552 1584 1608 1620 1674 1705 1746 1760 1782 1809 1860 1940 1980 2010 2046 2077 2134 2144 2160 2211 2232 2328 2376 2412 2480 2511 2592 2619 2640 2680 2728 2790 2910 2948 2970 2976 3007 3015 3069 3104 3168 3201 3216 3240 3348 3410 3492 3564 3618 3685 3720 3880 3960 4020 4092 4154 4185 4268 4320 4365 4422 4455 4464 4656 4752 4824 4960 5022 5115 5238 5280 5335 5360 5427 5456 5580 5820 5896 5940 6014 6030 6138 6231 6402 6432 6480 6499 6633 6696 6820 6984 7128 7236 7370 7440 7760 7857 7920 8040 8184 8308 8370 8536 8730 8844 8910 8928 9021 9045 9207 9312 9504 9603 9648 10044 10230 10385 10476 10670 10720 10854 10912 11055 11160 11640 11792 11880 12028 12060 12276 12462 12555 12804 12960 12998 13095 13266 13392 13640 13968 14256 14472 14740 14880 15035 15345 15520 15714 15840 16005 16080 16368 16616 16740 17072 17460 17688 17820 18042 18090 18414 18693 19206 19296 19497 19899 20088 20460 20770 20952 21340 21708 22110 22320 22847 23280 23584 23760 24056 24120 24552 24924 25110 25608 25996 26190 26532 26784 27063 27135 27280 27621 27936 28512 28809 28944 29480 30070 30690 31155 31428 32010 32160 32495 32736 33077 33165 33232 33480 34144 34920 35376 35640 36084 36180 36828 37386 38412 38994 39285 39798 40176 40920 41540 41904 42680 43416 44220 44640 45105 45694 46035 46560 47520 48015 48112 48240 49104 49848 50220 51216 51992 52380 53064 54126 54270 54560 55242 56079 57618 57888 58491 58960 59697 60140 61380 62310 62856 64020 64990 66154 66330 66464 66960 68541 69840 70752 71280 71489 72168 72360 73656 74772 76824 77988 78570 79596 80352 81189 81840 83080 83808 85360 86427 86832 88440 90210 91388 92070 93465 96030 96224 96480 97485 98208 99231 99495 99696 100440 102432 103984 104760 106128 108252 108540 110484 112158 114235 115236 116982 117920 119394 120280 122760 124620 125712 128040 129980 132308 132660 133920 135315 137082 138105 139680 142560 142978 144045 144336 144720 147312 149544 153648 155976 157140 159192 162378 163680 165385 166160 168237 170720 172854 173664 175473 176880 180420 182776 184140 186930 192060 194970 198462 198990 199392 200880 201469 205623 207968 209520 212256 214467 216504 217080 220968 224316 228470 230472 233964 238788 240560 243567 245520 249240 251424 256080 259960 264616 265320 270630 274164 276210 280395 285956 288090 288672 289440 292455 294624 297693 298485 299088 307296 311952 314280 318384 324756 330770 332320 336474 342705 345708 350946 353760 357445 360840 365552 368280 373860 384120 389940 396924 397980 401760 402938 405945 411246 419040 428934 432135 433008 434160 441936 448632 456940 460944 467928 477576 481120 487134 491040 496155 498480 512160 519920 526419 529232 530640 541260 548328 552420 560790 571912 576180 584910 595386 596970 598176 604407 616869 623904 628560 636768 643401 649512 661540 672948 685410 691416 701892 714890 721680 731104 736560 747720 768240 779880 793848 795960 805876 811890 822492 841185 857868 864270 866016 868320 877365 883872 893079 897264 913880 921888 935856 955152 974268 992310 996960 1007345 1028115 1039840 1052838 1058464 1061280 1072335 1082520 1096656 1104840 1121580 1143824 1152360 1169820 1190772 1193940 1208814 1217835 1233738 1257120 1286802 1299024 1323080 1345896 1370820 1382832 1403784 1429780 1443360 1473120 1488465 1495440 1536480 1559760 1587696 1591920 1611752 1623780 1644984 1682370 1715736 1728540 1754730 1786158 1794528 1813221 1827760 1850607 1871712 1910304 1930203 1948536 1984620 2014690 2056230 2105676 2144670 2165040 2193312 2209680 2216159 2243160 2287648 2304720 2339640 2381544 2387880 2417628 2435670 2467476 2573604 2598048 2632095 2646160 2679237 2691792 2741640 2765664 2807568 2859560 2976930 2990880 3022035 3084345 3119520 3175392 3183840 3217005 3223504 3247560 3289968 3364740 3431472 3457080 3509460 3572316 3626442 3655520 3701214 3860406 3897072 3969240 4029380 4112460 4211352 4289340 4330080 4419360 4432318 4465395 4486320 4609440 4679280 4763088 4775760 4835256 4871340 4934952 5147208 5264190 5292320 5358474 5383584 5439663 5483280 5615136 5719120 5790609 5953860 6044070 6168690 6434010 6447008 6495120 6579936 6648477 6729480 6862944 6914160 7018920 7144632 7252884 7402428 7720812 7794144 7938480 8058760 8224920 8422704 8578680 8864636 8930790 8972640 9066105 9253035 9358560 9526176 9551520 9651015 9670512 9742680 9869904 10294416 10528380 10716948 10879326 10966560 11080795 11438240 11581218 11907720 12088140 12337380 12868020 12990240 13296954 13396185 13458960 13828320 14037840 14289264 14505768 14804856 15441624 15876960 16117520 16318989 16449840 16845408 17157360 17729272 17861580 18132210 18506070 19302030 19341024 19485360 19739808 19945431 20588832 21056760 21433896 21758652 22161590 23162436 23815440 24176280 24674760 25736040 26593908 26792370 26917920 27198315 28075680 28578528 28953045 29011536 29609712 30883248 32235040 32637978 32899680 33242385 34314720 35458544 35723160 36264420 37012140 38604060 38970720 39890862 42113520 42867792 43517304 44323180 46324872 47630880 48352560 49349520 51472080 53187816 53584740 54396630 57906090 58023072 59219424 59836293 61766496 65275956 66484770 70917088 71446320 72528840 74024280 77208120 79781724 81594945 84227040 85735584 87034608 88646360 92649744 96705120 98699040 99727155 102944160 106375632 107169480 108793260 115812180 119672586 130551912 132969540 142892640 145057680 148048560 154416240 159563448 163189890 174069216 177292720 179508879 185299488 199454310 212751264 214338960 217586520 231624360 239345172 261103824 265939080 290115360 296097120 299181465 308832480 319126896 326379780 354585440 359017758 398908620 428677920 435173040 463248720 478690344 522207648 531878160 598362930 638253792 652759560 718035516 797817240 870346080 897544395 926497440 957380688 1063756320 1196725860 1305519120 1436071032 1595634480 1795088790 1914761376 2393451720 2611038240 2872142064 3191268960 3590177580 4786903440 5744284128 7180355160 9573806880 14360710320 28721420640
- Sum of all divisors σ(n): 117042444288
- Sum of proper divisors (its aliquot sum) s(n): 88321023648
- 28721420640 is an abundant number, because the sum of its proper divisors (88321023648) is greater than itself. Its abundance is 59599603008
Bases of 28721420640
- Binary: 110101011111110111000011001011000002
- Hexadecimal: 0x6AFEE1960
- Base-36: D6ZZQ00
Squares and roots of 28721420640
- 28721420640 squared (287214206402) is 824920003579818009600
- 28721420640 cubed (287214206403) is 23692874417166258868369158144000
-
The
square root of 28721420640 is 169473.9526889015 -
The
cube root of 28721420640 is 3062.4474076543
Scales and comparisons
How big is 28721420640?- 28,721,420,640 seconds is equal to 913 years, 13 weeks, 20 hours, 24 minutes.
-
To count from 1 to 28,721,420,640 would take you about one thousand, eight hundred twenty-six years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 28721420640 cubic inches would be around 255.2 feet tall.
Recreational maths with 28721420640
- 28721420640 backwards is 04602412782
- 28721420640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28721420640's digits is 36
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 28721420640 - Facts about the integer". Numbermatics.com. 2024. Web. 4 May 2024.
APA style:
Numbermatics. (2024). Number 28721420640 - Facts about the integer. Retrieved 4 May 2024, from https://numbermatics.com/n/28721420640/
Chicago style:
Numbermatics. 2024. "Number 28721420640 - Facts about the integer". https://numbermatics.com/n/28721420640/
The information we have on file for 28721420640 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 28721420640, math, Factors of 28721420640, curriculum, school, college, exams, university, Prime factorization of 28721420640, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight billion, seven hundred twenty-one million, four hundred twenty thousand, six hundred forty.