21402709920
21,402,709,920 is an even composite number composed of six prime numbers multiplied together.
21402709920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21402709920:
25 × 33 × 5 × 292 × 43 × 137
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 29 × 29 × 43 × 137)See below for interesting mathematical facts about the number 21402709920 from the Numbermatics database.
Names of 21402709920
- Cardinal: 21402709920 can be written as Twenty-one billion, four hundred two million, seven hundred nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.140270992 × 1010
Factors of 21402709920
Divisors of 21402709920
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 32 36 40 43 45 48 54 58 60 72 80 86 87 90 96 108 116 120 129 135 137 144 145 160 172 174 180 215 216 232 240 258 261 270 274 288 290 344 348 360 387 411 430 432 435 464 480 516 522 540 548 580 645 685 688 696 720 774 783 822 841 860 864 870 928 1032 1044 1080 1096 1160 1161 1233 1247 1290 1305 1370 1376 1392 1440 1548 1566 1644 1682 1720 1740 1935 2055 2064 2088 2160 2192 2320 2322 2466 2494 2523 2580 2610 2740 2784 3096 3132 3288 3364 3440 3480 3699 3741 3870 3915 3973 4110 4128 4176 4205 4320 4384 4640 4644 4932 4988 5046 5160 5220 5480 5805 5891 6165 6192 6235 6264 6576 6728 6880 6960 7398 7482 7569 7740 7830 7946 8220 8352 8410 9288 9864 9976 10092 10320 10440 10960 11223 11610 11782 11919 12330 12384 12470 12528 12615 13152 13456 13920 14796 14964 15138 15480 15660 15892 16440 16820 17673 18495 18576 18705 19728 19865 19952 20184 20640 20880 21920 22446 22707 23220 23564 23838 24660 24940 25056 25230 26912 29455 29592 29928 30276 30960 31320 31784 32880 33640 33669 35346 35757 36163 36990 37152 37410 37845 39456 39730 39904 40368 41760 44892 45414 46440 47128 47676 49320 49880 50460 53019 56115 58910 59184 59595 59856 60552 61920 62640 63568 65760 67280 67338 70692 71514 72326 73980 74820 75690 79460 80736 88365 89784 90828 92880 94256 95352 98640 99760 100920 106038 107271 108489 112230 113535 115217 117820 118368 119190 119712 121104 125280 127136 134560 134676 141384 143028 144652 147960 149640 151380 158920 159057 168345 170839 176730 178785 179568 180815 181656 185760 188512 190704 197280 199520 201840 212076 214542 216978 224460 227070 230434 235640 238380 242208 265095 269352 282768 286056 289304 295920 299280 302760 317840 318114 325467 336690 341678 345651 353460 357570 359136 361630 363312 381408 403680 424152 429084 433956 448920 454140 460868 471280 476760 512517 530190 536355 538704 542445 565536 572112 576085 578608 591840 598560 605520 635680 636228 650934 673380 683356 691302 706920 715140 723260 726624 795285 848304 854195 858168 867912 897840 908280 921736 942560 953520 976401 1025034 1036953 1060380 1072710 1077408 1084890 1144224 1152170 1157216 1211040 1272456 1301868 1346760 1366712 1382604 1413840 1430280 1446520 1537551 1590570 1627335 1696608 1708390 1716336 1728255 1735824 1795680 1816560 1843472 1907040 1952802 2050068 2073906 2120760 2145420 2169780 2304340 2544912 2562585 2603736 2693520 2733424 2765208 2827680 2860560 2893040 3075102 3110859 3181140 3254670 3416780 3432672 3456510 3471648 3633120 3686944 3905604 4100136 4147812 4241520 4290840 4339560 4608680 4612653 4882005 4954331 5089824 5125170 5184765 5207472 5387040 5466848 5530416 5721120 5786080 6150204 6221718 6362280 6509340 6833560 6913020 7687755 7811208 8200272 8295624 8483040 8581680 8679120 9217360 9225306 9764010 9908662 10250340 10369530 10414944 11060832 12300408 12443436 12724560 13018680 13667120 13826040 14862993 15375510 15554295 15622416 16400544 16591248 17163360 17358240 18434720 18450612 19528020 19817324 20500680 20739060 23063265 24600816 24771655 24886872 25449120 26037360 27334240 27652080 29725986 30751020 31108590 31244832 33182496 36901224 39056040 39634648 41001360 41478120 44588979 46126530 49201632 49543310 49773744 52074720 55304160 59451972 61502040 62217180 73802448 74314965 78112080 79269296 82002720 82956240 89177958 92253060 99086620 99547488 118903944 123004080 124434360 133766937 147604896 148629930 156224160 158538592 165912480 178355916 184506120 198173240 222944895 237807888 246008160 248868720 267533874 297259860 356711832 369012240 396346480 445889790 475615776 497737440 535067748 594519720 668834685 713423664 738024480 792692960 891779580 1070135496 1189039440 1337669370 1426847328 1783559160 2140270992 2378078880 2675338740 3567118320 4280541984 5350677480 7134236640 10701354960 21402709920
- Sum of all divisors σ(n): 79965325440
- Sum of proper divisors (its aliquot sum) s(n): 58562615520
- 21402709920 is an abundant number, because the sum of its proper divisors (58562615520) is greater than itself. Its abundance is 37159905600
Bases of 21402709920
- Binary: 100111110111011001101101111101000002
- Hexadecimal: 0x4FBB36FA0
- Base-36: 9TYMCO0
Squares and roots of 21402709920
- 21402709920 squared (214027099202) is 458075991919666406400
- 21402709920 cubed (214027099203) is 9804067576372884039348031488000
-
The
square root of 21402709920 is 146296.6504059475 -
The
cube root of 21402709920 is 2776.4482841783
Scales and comparisons
How big is 21402709920?- 21,402,709,920 seconds is equal to 680 years, 28 weeks, 13 hours, 12 minutes.
-
To count from 1 to 21,402,709,920 would take you about one thousand, three hundred sixty-one 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 21402709920 cubic inches would be around 231.4 feet tall.
Recreational maths with 21402709920
- 21402709920 backwards is 02990720412
- 21402709920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21402709920's digits is 36
- More coming soon!
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