72998872128

Names of 72998872128

• Cardinal: 72998872128 can be written as Seventy-two billion, nine hundred ninety-eight million, eight hundred seventy-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2998872128 × 10¹⁰

Factors of 72998872128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5701

Divisors of 72998872128

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 52 56 63 64 72 78 84 91 96 104 112 117 126 144 156 168 182 192 208 224 234 252 257 273 288 312 336 364 416 448 468 504 514 546 576 624 672 728 771 819 832 936 1008 1028 1092 1248 1344 1456 1542 1638 1799 1872 2016 2056 2184 2313 2496 2912 3084 3276 3341 3598 3744 4032 4112 4368 4626 5397 5419 5824 6168 6552 6682 7196 7488 8224 8736 9252 10023 10794 10838 12336 13104 13364 14392 16191 16257 16448 17472 18504 20046 21588 21676 23387 24672 26208 26728 28784 30069 32382 32514 37008 37933 40092 43176 43352 46774 48771 49344 52416 53456 57568 60138 64764 65028 70161 70447 74016 75866 80184 86352 86704 93548 97542 106912 113799 115136 120276 129528 130056 140322 140894 148032 151732 160368 172704 173408 187096 195084 210483 211341 213824 227598 240552 259056 260112 280644 281788 303464 320736 341397 345408 346816 374192 390168 420966 422682 455196 481104 493129 518112 520224 561288 563576 606928 634023 641472 682794 748384 780336 841932 845364 910392 962208 986258 1036224 1040448 1122576 1127152 1213856 1268046 1365588 1392683 1479387 1496768 1560672 1683864 1690728 1820784 1924416 1972516 2245152 2254304 2427712 2536092 2731176 2785366 2958774 3121344 3367728 3381456 3641568 3945032 4178049 4438161 4490304 4508608 5072184 5462352 5570732 5917548 6735456 6762912 7283136 7890064 8356098 8876322 9748781 10144368 10924704 11141464 11835096 12534147 13470912 13525824 15780128 16712196 17752644 18104879 19497562 20288736 21849408 22282928 23670192 25068294 29246343 31560256 33424392 35505288 36209758 38995124 40577472 44565856 47340384 50136588 54314637 58492686 66848784 71010576 72419516 77990248 87739029 89131712 94680768 100273176 108629274 116985372 126734153 133697568 142021152 144839032 155980496 162943911 175478058 200546352 217258548 233970744 253468306 267395136 284042304 289678064 311960992 325887822 350956116 380202459 401092704 434517096 467941488 506936612 579356128 623921984 651775644 701912232 760404918 802185408 869034192 935882976 1013873224 1140607377 1158712256 1303551288 1403824464 1520809836 1738068384 1871765952 2027746448 2281214754 2607102576 2807648928 3041619672 3476136768 4055492896 4562429508 5214205152 5615297856 6083239344 8110985792 9124859016 10428410304 12166478688 18249718032 24332957376 36499436064 72998872128
• Sum of all divisors σ(n): 258573544320
• Sum of proper divisors (its aliquot sum) s(n): 185574672192
• 72998872128 is an abundant number, because the sum of its proper divisors (185574672192) is greater than itself. Its abundance is 112575800064

Bases of 72998872128

• Binary: 1000011111111000100100110010001000000₂
• Hexadecimal: 0x10FF126440
• Base-36: XJ9N680

Squares and roots of 72998872128

• 72998872128 squared (72998872128²) is 5328835331960095248384
• 72998872128 cubed (72998872128³) is 388998968988923424635484014641152
• The square root of 72998872128 is 270183.0344932857
• The cube root of 72998872128 is 4179.3176722537

Scales and comparisons

• 72,998,872,128 seconds is equal to 2,321 years, 7 weeks, 1 day, 8 hours, 28 minutes, 48 seconds.
• To count from 1 to 72,998,872,128 would take you about four thousand, six 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 72998872128 cubic inches would be around 348.3 feet tall.

Recreational maths with 72998872128

• 72998872128 backwards is 82127889927
• 72998872128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72998872128's digits is 63
• More coming soon!