21021737940
21,021,737,940 is an even composite number composed of eight prime numbers multiplied together.
21021737940 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of eight hundred sixty-four divisors.
Prime factorization of 21021737940:
22 × 32 × 5 × 72 × 17 × 19 × 47 × 157
(2 × 2 × 3 × 3 × 5 × 7 × 7 × 17 × 19 × 47 × 157)See below for interesting mathematical facts about the number 21021737940 from the Numbermatics database.
Names of 21021737940
- Cardinal: 21021737940 can be written as Twenty-one billion, twenty-one million, seven hundred thirty-seven thousand, nine hundred forty.
Scientific notation
- Scientific notation: 2.102173794 × 1010
Factors of 21021737940
Divisors of 21021737940
- Number of divisors d(n): 864
-
Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 17 18 19 20 21 28 30 34 35 36 38 42 45 47 49 51 57 60 63 68 70 76 84 85 90 94 95 98 102 105 114 119 126 133 140 141 147 153 157 170 171 180 188 190 196 204 210 228 235 238 245 252 255 266 282 285 294 306 314 315 323 329 340 342 357 380 399 420 423 441 470 471 476 490 510 532 564 570 588 595 612 628 630 646 658 665 684 705 714 735 765 785 798 799 833 846 855 882 893 931 940 942 969 980 987 1020 1071 1099 1140 1190 1197 1260 1292 1316 1330 1410 1413 1428 1470 1530 1570 1596 1598 1615 1645 1666 1692 1710 1764 1785 1786 1862 1884 1938 1974 1995 2115 2142 2198 2205 2261 2303 2355 2380 2394 2397 2499 2660 2669 2679 2793 2820 2826 2907 2940 2961 2983 3060 3140 3196 3230 3290 3297 3332 3420 3570 3572 3724 3876 3948 3990 3995 4165 4230 4284 4396 4410 4465 4522 4606 4655 4710 4788 4794 4845 4935 4998 5338 5355 5358 5495 5586 5593 5652 5814 5922 5966 5985 6251 6460 6580 6594 6783 6909 7065 7140 7191 7379 7497 7693 7980 7990 8007 8037 8330 8379 8460 8820 8930 8949 9044 9212 9310 9420 9588 9690 9870 9891 9996 10676 10710 10716 10990 11172 11186 11305 11515 11628 11844 11932 11970 11985 12495 12502 13188 13345 13395 13566 13818 13965 14130 14382 14535 14758 14805 14915 14994 15181 15386 15827 15980 16014 16074 16485 16660 16758 16779 17860 17898 18620 18683 18753 19380 19740 19782 20349 20727 20881 21420 21980 22137 22372 22610 23030 23079 23940 23970 24021 24990 25004 26690 26790 26847 27132 27636 27930 27965 28260 28764 29070 29516 29610 29830 29988 30362 30772 31255 31654 32028 32148 32970 33516 33558 33915 34545 35796 35955 36895 37366 37485 37506 38465 39151 39564 40035 40185 40698 41454 41762 41895 43757 44274 44745 45220 45543 46060 46158 47481 47940 48042 49455 49980 50337 50711 51653 53380 53580 53694 55860 55930 56049 56259 58140 59220 59660 60724 62510 62643 63308 65940 66411 67116 67830 69090 69237 71910 73790 74732 74970 75012 75905 76930 78302 79135 80070 80370 81396 82908 83524 83790 83895 87514 88548 89490 91086 92316 93415 93765 94962 96084 98910 100674 101422 101745 103306 103635 104405 106267 107388 110685 111860 112098 112518 115395 117453 120105 125020 125286 125443 130781 131271 132822 134235 135660 136629 138180 138474 140201 142443 143820 146167 147580 149940 151810 152133 153860 154959 156604 158270 160140 160740 167580 167790 168147 175028 178980 182172 186830 187530 187929 189924 195755 197820 201348 202844 203490 206612 207270 208810 212534 218785 221370 224196 225036 227715 230790 234906 237405 240210 250572 250886 251685 253555 258265 261562 262542 265644 268470 273258 276948 280245 280402 281295 284886 292334 303620 304266 309918 313215 316540 318801 332055 335580 336294 346185 352359 354977 361571 373660 375060 375858 376329 391510 392343 393813 406980 414540 417620 420603 425068 437570 438501 442740 455430 456399 461580 464877 469812 474810 480420 501772 503370 507110 516530 523124 525084 531335 536940 546516 560490 560804 562590 569772 584668 587265 608532 619836 626430 627215 637602 653905 656355 664110 672588 683145 692370 701005 704718 709954 712215 723142 730835 743869 751716 752658 760665 774795 783020 784686 787626 840735 841206 875140 877002 878101 910860 912798 929754 939645 949620 956403 981407 1006740 1014220 1033060 1062670 1064931 1084713 1120980 1125180 1128987 1174530 1177029 1252860 1254430 1261809 1275204 1307810 1312710 1315503 1328220 1366290 1384740 1402010 1409436 1419908 1424430 1446284 1461670 1487738 1505316 1521330 1549590 1569372 1575252 1594005 1681470 1682412 1754004 1756202 1761795 1774885 1807855 1825596 1859508 1879290 1881645 1912806 1961715 1962814 1969065 2103015 2125340 2129862 2169426 2192505 2231607 2257974 2281995 2324385 2349060 2354058 2383417 2484839 2508860 2523618 2615620 2625420 2631006 2634303 2732580 2804020 2848860 2923340 2944221 2975476 3042660 3099180 3188010 3194793 3254139 3362940 3512404 3523590 3549770 3615710 3719345 3758580 3763290 3825612 3923430 3925628 3938130 4206030 4259724 4338852 4385010 4390505 4463214 4515948 4563990 4648770 4708116 4766834 4782015 4907035 4969678 5047236 5262012 5268606 5324655 5423565 5644935 5885145 5888442 6146707 6309045 6376020 6389586 6508278 6577515 6694821 6869849 7047180 7099540 7150251 7231420 7438690 7454517 7526580 7846860 7876260 7902909 8412060 8770020 8781010 8832663 8926428 9127980 9297540 9533668 9564030 9814070 9939356 10537212 10649310 10847130 11158035 11289870 11770290 11776884 11917085 12293414 12424195 12618090 12779172 13016556 13155030 13171515 13389642 13739698 14300502 14721105 14877380 14909034 15805818 15973965 16270695 16683919 17562020 17665326 18440121 19128060 19628140 20609547 21298620 21450753 21694260 22316070 22363551 22579740 23540580 23834170 24586828 24848390 25236180 26310060 26343030 26779284 27479396 28601004 29442210 29818068 30733535 31611636 31947930 32541390 33367838 33474105 34349245 35330652 35751255 36880242 37272585 39514545 41219094 42901506 44163315 44632140 44727102 47668340 49696780 50051757 52686060 55320363 58884420 61467070 61828641 63895860 65082780 66735676 66948210 68698490 71502510 73760484 74545170 79029090 82438188 83419595 85803012 88326630 89454204 92200605 100103514 103047735 107253765 110640726 111817755 116787433 122934140 123657282 133896420 137396980 143005020 149090340 150155271 158058180 166839190 176653260 184401210 200207028 206095470 214507530 221281452 223635510 233574866 247314564 250258785 276601815 300310542 309143205 333678380 350362299 368802420 412190940 429015060 447271020 467149732 500517570 553203630 583937165 600621084 618286410 700724598 750776355 1001035140 1051086897 1106407260 1167874330 1236572820 1401449196 1501552710 1751811495 2102173794 2335748660 3003105420 3503622990 4204347588 5255434485 7007245980 10510868970 21021737940
- Sum of all divisors σ(n): 84970529280
- Sum of proper divisors (its aliquot sum) s(n): 63948791340
- 21021737940 is an abundant number, because the sum of its proper divisors (63948791340) is greater than itself. Its abundance is 42927053400
Bases of 21021737940
- Binary: 100111001001111111001000011110101002
- Hexadecimal: 0x4E4FE43D4
- Base-36: 9NNSST0
Squares and roots of 21021737940
- 21021737940 squared (210217379402) is 441913466018035443600
- 21021737940 cubed (210217379403) is 9289789074788236408990850184000
-
The
square root of 21021737940 is 144988.7510809029 -
The
cube root of 21021737940 is 2759.8758056907
Scales and comparisons
How big is 21021737940?- 21,021,737,940 seconds is equal to 668 years, 22 weeks, 1 day, 3 hours, 39 minutes.
-
To count from 1 to 21,021,737,940 would take you about one thousand, three hundred thirty-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 21021737940 cubic inches would be around 230 feet tall.
Recreational maths with 21021737940
- 21021737940 backwards is 04973712012
- 21021737940 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21021737940's digits is 36
- More coming soon!
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The information we have on file for 21021737940 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!
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