21117829920
21,117,829,920 is an even composite number composed of seven prime numbers multiplied together.
21117829920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21117829920:
25 × 3 × 5 × 112 × 31 × 37 × 317
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 11 × 31 × 37 × 317)See below for interesting mathematical facts about the number 21117829920 from the Numbermatics database.
Names of 21117829920
- Cardinal: 21117829920 can be written as Twenty-one billion, one hundred seventeen million, eight hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.111782992 × 1010
Factors of 21117829920
Divisors of 21117829920
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 31 32 33 37 40 44 48 55 60 62 66 74 80 88 93 96 110 111 120 121 124 132 148 155 160 165 176 185 186 220 222 240 242 248 264 296 310 317 330 341 352 363 370 372 407 440 444 465 480 484 496 528 555 592 605 620 634 660 682 726 740 744 814 880 888 930 951 968 992 1023 1056 1110 1147 1184 1210 1221 1240 1268 1320 1364 1452 1480 1488 1585 1628 1705 1760 1776 1815 1860 1902 1936 2035 2046 2220 2294 2420 2442 2480 2536 2640 2728 2904 2960 2976 3170 3256 3410 3441 3487 3552 3630 3720 3751 3804 3872 4070 4092 4440 4477 4588 4755 4840 4884 4960 5072 5115 5280 5456 5735 5808 5920 6105 6340 6512 6820 6882 6974 7260 7440 7502 7608 8140 8184 8880 8954 9176 9510 9680 9768 9827 10144 10230 10461 10912 11253 11470 11616 11729 12210 12617 12680 13024 13431 13640 13764 13948 14520 14880 15004 15216 16280 16368 17205 17435 17760 17908 18352 18755 19020 19360 19536 19654 20460 20922 22385 22506 22940 23458 24420 25234 25360 26862 27280 27528 27896 29040 29481 30008 30432 32560 32736 34410 34870 35187 35816 36704 37510 37851 38040 38357 39072 39308 40920 41844 44770 45012 45880 46916 48840 49135 50468 50720 52305 53724 54560 55056 55792 56265 58080 58645 58962 60016 63085 65120 67155 68820 69740 70374 71632 75020 75702 76080 76714 78616 81840 83688 89540 90024 91760 93832 97680 98270 100936 104610 107448 108097 110112 111584 112530 115071 117290 117924 120032 126170 129019 134310 137640 138787 139480 140748 143264 147405 150040 151404 152160 153428 157232 163680 167376 175935 179080 180048 183520 187664 189255 191785 195360 196540 201872 209220 214896 216194 225060 230142 234580 235848 252340 258038 268620 275280 277574 278960 281496 294810 300080 302808 306856 314464 324291 334752 351870 358160 360096 363599 375328 378510 383570 387057 393080 403744 416361 418440 429792 432388 450120 460284 469160 471696 504680 516076 537240 540485 550560 555148 557920 562992 575355 589620 600160 605616 613712 645095 648582 693935 703740 716320 727198 757020 767140 774114 786160 832722 836880 864776 900240 920568 938320 943392 1009360 1032152 1074480 1080970 1090797 1110296 1125984 1150710 1179240 1189067 1211232 1227424 1290190 1297164 1387870 1407480 1419209 1454396 1514040 1534280 1548228 1572320 1621455 1665444 1673760 1729552 1800480 1817995 1841136 1876640 1935285 2018720 2064304 2081805 2148960 2161940 2181594 2220592 2301420 2358480 2378134 2580380 2594328 2775740 2814960 2838418 2908792 3028080 3068560 3096456 3242910 3330888 3459104 3567201 3635990 3682272 3870570 3999589 4128608 4163610 4257627 4323880 4363188 4441184 4602840 4716960 4756268 5160760 5188656 5453985 5551480 5629920 5676836 5817584 5945335 6056160 6137120 6192912 6485820 6661776 7096045 7134402 7271980 7741140 7999178 8327220 8515254 8647760 8726376 9205680 9512536 10321520 10377312 10907970 11102960 11353672 11635168 11890670 11998767 12385824 12971640 13323552 14192090 14268804 14543960 15482280 15998356 16654440 17030508 17295520 17452752 17836005 18411360 19025072 19997945 20643040 21288135 21815940 22205920 22707344 23781340 23997534 25943280 28384180 28537608 29087920 30964560 31996712 33308880 34061016 34905504 35672010 38050144 39995890 42576270 43631880 43995479 45414688 47562680 47995068 51886560 56768360 57075216 58175840 59993835 61929120 63993424 66617760 68122032 71344020 79991780 85152540 87263760 87990958 95125360 95990136 113536720 114150432 119987670 127986848 131986437 136244064 142688040 159983560 170305080 174527520 175981916 190250720 191980272 219977395 227073440 239975340 263972874 285376080 319967120 340610160 351963832 383960544 439954790 479950680 527945748 570752160 639934240 659932185 681220320 703927664 879909580 959901360 1055891496 1319864370 1407855328 1759819160 1919802720 2111782992 2639728740 3519638320 4223565984 5279457480 7039276640 10558914960 21117829920
- Sum of all divisors σ(n): 77761410048
- Sum of proper divisors (its aliquot sum) s(n): 56643580128
- 21117829920 is an abundant number, because the sum of its proper divisors (56643580128) is greater than itself. Its abundance is 35525750208
Bases of 21117829920
- Binary: 100111010101011100010000011001000002
- Hexadecimal: 0x4EAB88320
- Base-36: 9P90DUO
Squares and roots of 21117829920
- 21117829920 squared (211178299202) is 445962740530047206400
- 21117829920 cubed (211178299203) is 9417765305170627554326335488000
-
The
square root of 21117829920 is 145319.7506191089 -
The
cube root of 21117829920 is 2764.0746159635
Scales and comparisons
How big is 21117829920?- 21,117,829,920 seconds is equal to 671 years, 25 weeks, 7 hours, 52 minutes.
-
To count from 1 to 21,117,829,920 would take you about one thousand, three hundred forty-two 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 21117829920 cubic inches would be around 230.3 feet tall.
Recreational maths with 21117829920
- 21117829920 backwards is 02992871112
- The number of decimal digits it has is: 11
- The sum of 21117829920's digits is 42
- More coming soon!
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