72978710016

Names of 72978710016

• Cardinal: 72978710016 can be written as Seventy-two billion, nine hundred seventy-eight million, seven hundred ten thousand and sixteen.

Scientific notation

• Scientific notation: 7.2978710016 × 10¹⁰

Factors of 72978710016

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1897

Divisors of 72978710016

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 31 32 37 46 48 62 64 69 74 92 93 96 111 124 128 138 148 184 186 192 222 248 256 276 296 368 372 384 444 496 512 552 592 713 736 744 768 851 888 992 1104 1147 1184 1426 1472 1488 1536 1702 1776 1801 1984 2139 2208 2294 2368 2553 2852 2944 2976 3404 3441 3552 3602 3968 4278 4416 4588 4736 5106 5403 5704 5888 5952 6808 6882 7104 7204 7936 8556 8832 9176 9472 10212 10806 11408 11776 11904 13616 13764 14208 14408 15872 17112 17664 18352 18944 20424 21612 22816 23808 26381 27232 27528 28416 28816 34224 35328 36704 40848 41423 43224 45632 47616 52762 54464 55056 55831 56832 57632 66637 68448 73408 79143 81696 82846 86448 91264 105524 108928 110112 111662 115264 124269 133274 136896 146816 158286 163392 165692 167493 172896 182528 199911 211048 217856 220224 223324 230528 248538 266548 273792 293632 316572 326784 331384 334986 345792 365056 399822 422096 435712 440448 446648 461056 497076 533096 547584 587264 633144 653568 662768 669972 691584 799644 844192 880896 893296 922112 994152 1066192 1095168 1266288 1284113 1307136 1325536 1339944 1383168 1532651 1599288 1688384 1761792 1786592 1988304 2065747 2132384 2532576 2568226 2651072 2679888 2766336 3065302 3198576 3376768 3573184 3852339 3976608 4131494 4264768 4597953 5065152 5136452 5302144 5359776 6130604 6197241 6397152 6753536 7146368 7704678 7953216 8262988 8529536 9195906 10130304 10272904 10604288 10719552 12261208 12394482 12794304 13507072 14292736 15409356 15906432 16525976 17059072 18391812 20260608 20545808 21208576 21439104 24522416 24788964 25588608 28585472 30818712 31812864 33051952 34118144 36783624 40521216 41091616 42878208 47512181 49044832 49577928 51177216 61637424 63625728 66103904 73567248 82183232 85756416 95024362 98089664 99155856 102354432 123274848 132207808 142536543 147134496 164366464 190048724 196179328 198311712 246549696 264415616 285073086 294268992 328732928 380097448 392358656 396623424 493099392 528831232 570146172 588537984 657465856 760194896 784717312 793246848 986198784 1057662464 1140292344 1177075968 1520389792 1586493696 1972397568 2280584688 2354151936 3040779584 3172987392 4561169376 6081559168 9122338752 12163118336 18244677504 24326236672 36489355008 72978710016
• Sum of all divisors σ(n): 215196512256
• Sum of proper divisors (its aliquot sum) s(n): 142217802240
• 72978710016 is an abundant number, because the sum of its proper divisors (142217802240) is greater than itself. Its abundance is 69239092224

Bases of 72978710016

• Binary: 1000011111101110111101011111000000000₂
• Hexadecimal: 0x10FDDEBE00
• Base-36: XIXN11C

Squares and roots of 72978710016

• 72978710016 squared (72978710016²) is 5325892115599418720256
• 72978710016 cubed (72978710016³) is 388676736280830728803724449284096
• The square root of 72978710016 is 270145.7199660953
• The cube root of 72978710016 is 4178.9328643447

Scales and comparisons

• 72,978,710,016 seconds is equal to 2,320 years, 25 weeks, 5 days, 23 hours, 53 minutes, 36 seconds.
• To count from 1 to 72,978,710,016 would take you about four thousand, six hundred forty 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 72978710016 cubic inches would be around 348.2 feet tall.

Recreational maths with 72978710016

• 72978710016 backwards is 61001787927
• 72978710016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72978710016's digits is 48
• More coming soon!