20128606272

Names of 20128606272

• Cardinal: 20128606272 can be written as Twenty billion, one hundred twenty-eight million, six hundred six thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.0128606272 × 10¹⁰

Factors of 20128606272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1320

Divisors of 20128606272

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 53 54 61 64 72 81 96 106 108 122 144 159 162 183 192 212 216 244 288 318 324 366 424 432 477 488 549 576 636 648 732 848 864 954 976 1098 1201 1272 1296 1431 1464 1647 1696 1728 1908 1952 2196 2402 2544 2592 2862 2928 3233 3294 3392 3603 3816 3904 4293 4392 4804 4941 5088 5184 5724 5856 6466 6588 7206 7632 8586 8784 9608 9699 9882 10176 10809 11448 11712 12932 13176 14412 15264 17172 17568 19216 19398 19764 21618 22896 25864 26352 28824 29097 30528 32427 34344 35136 38432 38796 39528 43236 45792 51728 52704 57648 58194 63653 64854 68688 73261 76864 77592 79056 86472 87291 91584 97281 103456 105408 115296 116388 127306 129708 137376 146522 155184 158112 172944 174582 190959 194562 206912 219783 230592 232776 254612 259416 261873 274752 293044 310368 316224 345888 349164 381918 389124 439566 465552 509224 518832 523746 572877 586088 620736 659349 691776 698328 763836 778248 879132 931104 1018448 1037664 1047492 1145754 1172176 1318698 1396656 1527672 1556496 1718631 1758264 1862208 1978047 2036896 2075328 2094984 2291508 2344352 2637396 2793312 3055344 3112992 3437262 3516528 3882833 3956094 4073792 4189968 4583016 4688704 5155893 5274792 5586624 5934141 6110688 6225984 6874524 7033056 7765666 7912188 8379936 9166032 10311786 10549584 11648499 11868282 12221376 13749048 14066112 15531332 15824376 16759872 18332064 20623572 21099168 23296998 23736564 27498096 31062664 31648752 34945497 36664128 41247144 42198336 46593996 47473128 54996192 62125328 63297504 69890994 82494288 93187992 94946256 104836491 109992384 124250656 126595008 139781988 164988576 186375984 189892512 209672982 248501312 279563976 314509473 329977152 372751968 379785024 419345964 559127952 629018946 745503936 838691928 1118255904 1258037892 1677383856 2236511808 2516075784 3354767712 5032151568 6709535424 10064303136 20128606272
• Sum of all divisors σ(n): 61841356632
• Sum of proper divisors (its aliquot sum) s(n): 41712750360
• 20128606272 is an abundant number, because the sum of its proper divisors (41712750360) is greater than itself. Its abundance is 21584144088

Bases of 20128606272

• Binary: 10010101111110000100010100001000000₂
• Hexadecimal: 0x4AFC22840
• Base-36: 98W1W00

Squares and roots of 20128606272

• 20128606272 squared (20128606272²) is 405160790453197737984
• 20128606272 cubed (20128606272³) is 8155322027884713711240955035648
• The square root of 20128606272 is 141875.3194604331
• The cube root of 20128606272 is 2720.2233755421

Scales and comparisons

• 20,128,606,272 seconds is equal to 640 years, 1 week, 2 days, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 20,128,606,272 would take you about one thousand, two hundred eighty 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 20128606272 cubic inches would be around 226.7 feet tall.

Recreational maths with 20128606272

• 20128606272 backwards is 27260682102
• 20128606272 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20128606272's digits is 36
• More coming soon!