21171222072

Names of 21171222072

• Cardinal: 21171222072 can be written as Twenty-one billion, one hundred seventy-one million, two hundred twenty-two thousand and seventy-two.

Scientific notation

• Scientific notation: 2.1171222072 × 10¹⁰

Factors of 21171222072

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 420

Divisors of 21171222072

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 18 21 22 24 26 27 28 33 36 39 42 44 52 54 56 63 66 72 77 78 81 84 88 91 99 104 108 117 126 127 132 143 154 156 162 168 182 189 198 216 231 234 252 254 257 264 273 286 297 308 312 324 351 364 378 381 396 429 462 468 504 508 514 546 567 572 594 616 648 693 702 728 756 762 771 792 819 858 889 891 924 936 1001 1016 1028 1053 1092 1134 1143 1144 1188 1287 1386 1397 1404 1512 1524 1542 1638 1651 1716 1778 1782 1799 1848 2002 2056 2079 2106 2184 2268 2286 2313 2376 2457 2574 2667 2772 2794 2808 2827 3003 3048 3084 3276 3302 3341 3429 3432 3556 3564 3598 3861 4004 4158 4191 4212 4536 4572 4626 4914 4953 5148 5334 5397 5544 5588 5654 6006 6168 6237 6552 6604 6682 6858 6939 7112 7128 7196 7371 7722 8001 8008 8316 8382 8424 8481 9009 9144 9252 9779 9828 9906 10023 10287 10296 10668 10794 11176 11308 11557 11583 12012 12474 12573 13208 13364 13716 13878 14392 14742 14859 15444 16002 16191 16632 16764 16962 18018 18161 18504 19558 19656 19789 19812 20046 20574 20817 21336 21588 22616 23114 23166 23387 24003 24024 24948 25146 25443 26728 27027 27432 27756 29337 29484 29718 30069 30888 32004 32382 32639 33528 33924 34671 36036 36322 36751 37719 39116 39578 39624 40092 41148 41634 43176 44577 46228 46332 46774 48006 48573 49896 50292 50886 54054 54483 55512 58674 58968 59367 59436 60138 64008 64764 65278 67848 69342 70161 72009 72072 72644 73502 75438 76329 78232 79156 80184 81081 82296 83268 88011 89154 90207 92456 92664 93548 96012 97146 97917 100584 101772 104013 108108 108966 110253 113157 117348 118734 118872 120276 127127 129528 130556 133731 138684 140322 144018 145288 145719 147004 150876 152658 158312 162162 163449 166536 176022 178101 178308 180414 187096 192024 194292 195834 203544 208026 210483 216216 217932 220506 226314 228473 228987 234696 237468 240552 254254 257257 261112 264033 267462 270621 277368 280644 288036 291438 293751 294008 301752 305316 312039 324324 326898 330759 352044 356202 356616 359029 360828 381381 388584 391668 416052 420966 424307 435864 441012 452628 456946 457974 474936 490347 508508 514514 528066 534303 534924 541242 561288 576072 582876 587502 610632 624078 631449 648648 653796 661518 685419 704088 712404 718058 721656 762762 771771 783336 792099 832104 841932 848614 881253 882024 905256 913892 915948 936117 980694 992277 1017016 1029028 1056132 1068606 1069848 1077087 1082484 1144143 1165752 1175004 1248156 1262898 1272921 1307592 1323036 1370838 1424808 1436116 1471041 1525524 1543542 1584198 1602909 1683864 1697228 1762506 1827784 1831896 1872234 1894347 1961388 1984554 2056257 2058056 2112264 2137212 2154174 2164968 2288286 2315313 2350008 2496312 2513203 2525796 2545842 2643759 2646072 2741676 2872232 2942082 2970149 2976831 3051048 3087084 3168396 3205818 3231261 3394456 3432429 3525012 3744468 3788694 3818763 3922776 3969108 4112514 4274424 4308348 4576572 4630626 4667377 5026406 5051592 5091684 5287518 5483352 5884164 5940298 5953662 6168771 6174168 6336792 6411636 6462522 6864858 6945939 7050024 7488936 7539609 7577388 7637526 7938216 8225028 8616696 8910447 9153144 9261252 9334754 9693783 10052812 10183368 10297287 10575036 11456289 11768328 11880596 11907324 12337542 12823272 12925044 13729716 13891878 14002131 15079218 15154776 15275052 16450056 17820894 18506313 18522504 18669508 19387566 20105624 20594574 20837817 21150072 22618827 22912578 23761192 23814648 24675084 25850088 26731341 27459432 27783756 28004262 29081349 30158436 30550104 32671639 34368867 35641788 37012626 37339016 38775132 41189148 41675634 42006393 45237654 45825156 49350168 53462682 55567512 56008524 58162698 60316872 65343278 67856481 68737734 71283576 74025252 77550264 80194023 82378296 83351268 84012786 90475308 91650312 98014917 106925364 112017048 116325396 126019179 130686556 135712962 137475468 148050504 160388046 166702536 168025572 180950616 196029834 203569443 213850728 232650792 240582069 252038358 261373112 271425924 274950936 294044751 320776092 336051144 378057537 392059668 407138886 481164138 504076716 542851848 588089502 641552184 756115074 784119336 814277772 882134253 962328276 1008153432 1176179004 1512230148 1628555544 1764268506 1924656552 2352358008 2646402759 3024460296 3528537012 5292805518 7057074024 10585611036 21171222072
• Sum of all divisors σ(n): 80557424640
• Sum of proper divisors (its aliquot sum) s(n): 59386202568
• 21171222072 is an abundant number, because the sum of its proper divisors (59386202568) is greater than itself. Its abundance is 38214980496

Bases of 21171222072

• Binary: 10011101101111001110011011000111000₂
• Hexadecimal: 0x4EDE73638
• Base-36: 9Q4SRI0

Squares and roots of 21171222072

• 21171222072 squared (21171222072²) is 448220644021939973184
• 21171222072 cubed (21171222072³) is 9489378791843350412532188917248
• The square root of 21171222072 is 145503.3404152633
• The cube root of 21171222072 is 2766.4021229677

Scales and comparisons

• 21,171,222,072 seconds is equal to 673 years, 9 weeks, 2 days, 7 hours, 1 minute, 12 seconds.
• To count from 1 to 21,171,222,072 would take you about one thousand, three hundred forty-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 21171222072 cubic inches would be around 230.5 feet tall.

Recreational maths with 21171222072

• 21171222072 backwards is 27022217112
• 21171222072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21171222072's digits is 27
• More coming soon!