21370239072

Names of 21370239072

• Cardinal: 21370239072 can be written as Twenty-one billion, three hundred seventy million, two hundred thirty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 2.1370239072 × 10¹⁰

Factors of 21370239072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 68

Divisors of 21370239072

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 43 48 49 52 54 56 63 72 78 81 84 86 91 96 98 104 108 112 117 126 129 144 147 156 162 168 172 182 189 196 208 216 224 234 252 258 273 288 294 301 312 324 336 343 344 351 364 378 387 392 416 432 441 468 504 516 546 559 567 588 602 624 637 648 672 686 688 702 728 756 774 784 819 864 882 903 936 1008 1029 1032 1053 1092 1118 1134 1161 1176 1204 1248 1274 1296 1323 1372 1376 1404 1456 1512 1548 1568 1638 1677 1764 1806 1849 1872 1911 2016 2058 2064 2106 2107 2184 2236 2268 2322 2352 2408 2457 2548 2592 2646 2709 2744 2808 2912 3024 3087 3096 3276 3354 3483 3528 3612 3698 3744 3822 3913 3969 4116 4128 4212 4214 4368 4459 4472 4536 4644 4704 4816 4914 5031 5096 5292 5418 5488 5547 5616 5733 6048 6174 6192 6321 6552 6708 6966 7056 7224 7371 7396 7644 7826 7938 8127 8232 8424 8428 8736 8918 8944 9072 9261 9288 9632 9828 10062 10192 10584 10836 10976 11094 11232 11466 11739 12348 12384 12642 12943 13104 13377 13416 13932 14112 14448 14742 14749 14792 15093 15288 15652 15876 16254 16464 16641 16848 16856 17199 17836 17888 18144 18522 18576 18963 19656 20124 20384 21168 21672 22188 22932 23478 24037 24381 24696 25284 25886 26208 26754 26832 27391 27783 27864 28896 29484 29498 29584 30186 30576 31304 31752 32508 32928 33282 33696 33712 34398 35217 35672 37044 37152 37926 38829 39312 40131 40248 42336 43344 44247 44376 45279 45864 46956 48074 48762 49392 49923 50568 51597 51772 53508 53664 54782 55566 55728 56889 58968 58996 59168 60372 61152 62608 63504 65016 66564 67424 68796 70434 71344 72111 74088 75852 77658 78624 80262 80496 82173 86688 88494 88752 90558 90601 91728 93912 96148 97524 98784 99846 101136 103194 103544 105651 107016 109564 111132 111456 113778 116487 117936 117992 120393 120744 125216 127008 130032 132741 133128 137592 140868 142688 144222 148176 149769 151704 155316 160524 160992 164346 168259 170667 176988 177504 181116 181202 183456 187824 191737 192296 195048 199692 202272 206388 207088 211302 214032 216333 219128 222264 227556 232974 235872 235984 240786 241488 246519 260064 265482 266256 271803 275184 281736 288444 296352 299538 303408 310632 316953 321048 328692 336518 341334 349461 353976 361179 362232 362404 375648 383474 384592 390096 398223 399384 412776 414176 422604 428064 432666 438256 444528 455112 465948 471968 481572 482976 493038 504777 530964 532512 543606 550368 563472 575211 576888 599076 606816 621264 633906 634207 642096 648999 657384 673036 682668 698922 707952 722358 724464 724808 739557 766948 769184 780192 796446 798768 815409 825552 845208 865332 876512 889056 910224 931896 963144 986076 1009554 1048383 1061928 1087212 1126944 1150422 1153776 1177813 1194669 1198152 1242528 1267812 1268414 1284192 1297998 1314768 1346072 1365336 1397844 1415904 1444716 1448928 1449616 1479114 1514331 1533896 1592892 1597536 1630818 1651104 1690416 1725633 1730664 1820448 1863792 1902621 1926288 1946997 1972152 2019108 2096766 2123856 2174424 2218671 2300844 2307552 2355626 2389338 2396304 2446227 2535624 2536828 2595996 2629536 2692144 2730672 2795688 2889432 2899232 2958228 3028662 3067792 3185784 3261636 3380832 3451266 3461328 3533439 3727584 3805242 3852576 3893994 3944304 4038216 4193532 4247712 4348848 4437342 4542993 4601688 4711252 4778676 4792608 4892454 5071248 5073656 5176899 5191992 5384288 5461344 5591376 5707863 5778864 5916456 6057324 6135584 6371568 6523272 6902532 6922656 7066878 7338681 7610484 7787988 7888608 8076432 8244691 8387064 8697696 8874684 9085986 9203376 9422504 9557352 9784908 10142496 10147312 10353798 10383984 10600317 11182752 11415726 11557728 11832912 12114648 12743136 13046544 13628979 13805064 14133756 14677362 15220968 15530697 15575976 16152864 16489382 16774128 17123589 17749368 18171972 18406752 18845008 19114704 19569816 20294624 20707596 20767968 21200634 22831452 23665824 24229296 24734073 26093088 27257958 27610128 28267512 29354724 30441936 31061394 31151952 31800951 32978764 33548256 34247178 35498736 36343944 37690016 38229408 39139632 41415192 42401268 45662904 48458592 49468146 51370767 54515916 55220256 56535024 58709448 60883872 62122788 62303904 63601902 65957528 68494356 70997472 72687888 74202219 78279264 82830384 84802536 91325808 95402853 98936292 102741534 109031832 113070048 117418896 124245576 127203804 131915056 136988712 145375776 148404438 165660768 169605072 182651616 190805706 197872584 205483068 218063664 222606657 234837792 248491152 254407608 263830112 273977424 296808876 339210144 381611412 395745168 410966136 436127328 445213314 496982304 508815216 547954848 593617752 667819971 763222824 791490336 821932272 890426628 1017630432 1187235504 1335639942 1526445648 1643864544 1780853256 2374471008 2671279884 3052891296 3561706512 5342559768 7123413024 10685119536 21370239072
• Sum of all divisors σ(n): 80809898400
• Sum of proper divisors (its aliquot sum) s(n): 59439659328
• 21370239072 is an abundant number, because the sum of its proper divisors (59439659328) is greater than itself. Its abundance is 38069420256

Bases of 21370239072

• Binary: 10011111001110000111111100001100000₂
• Hexadecimal: 0x4F9C3F860
• Base-36: 9TFAE00

Squares and roots of 21370239072

• 21370239072 squared (21370239072²) is 456687117994435421184
• 21370239072 cubed (21370239072³) is 9759512892643758116367093301248
• The square root of 21370239072 is 146185.6322351823
• The cube root of 21370239072 is 2775.0434891651

Scales and comparisons

• 21,370,239,072 seconds is equal to 679 years, 26 weeks, 2 days, 17 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,370,239,072 would take you about one thousand, three hundred fifty-nine 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 21370239072 cubic inches would be around 231.3 feet tall.

Recreational maths with 21370239072

• 21370239072 backwards is 27093207312
• 21370239072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21370239072's digits is 36
• More coming soon!