72390229328

Names of 72390229328

• Cardinal: 72390229328 can be written as Seventy-two billion, three hundred ninety million, two hundred twenty-nine thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2390229328 × 10¹⁰

Factors of 72390229328

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1535

Divisors of 72390229328

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 16 17 31 34 62 67 68 97 124 134 136 194 248 268 272 388 496 527 536 776 1054 1072 1139 1321 1552 1649 2077 2108 2278 2642 3007 3298 4154 4216 4556 5284 6014 6499 6596 8308 8432 9112 10568 12028 12998 13192 16616 18224 21136 22457 24056 25996 26384 33232 35309 40951 44914 48112 51119 51992 70618 81902 88507 89828 102238 103984 110483 128137 141236 163804 177014 179656 201469 204476 220966 256274 282472 327608 354028 359312 402938 408952 441932 512548 564944 655216 696167 708056 805876 817904 883864 1025096 1392334 1416112 1504619 1611752 1767728 2050192 2178329 2743717 2784668 3009238 3223504 3424973 3972247 4356658 5487434 5569336 6018476 6849946 7944494 8585179 8713316 10974868 11138672 12036952 13699892 15888988 17170358 17426632 21949736 24073904 27399784 31777976 34340716 34853264 43899472 46643189 54799568 63555952 67528199 68681432 93286378 135056398 137362864 145948043 186572756 266140549 270112796 291896086 373145512 532281098 540225592 583792172 746291024 1064562196 1080451184 1167584344 2129124392 2335168688 4258248784 4524389333 9048778666 18097557332 36195114664 72390229328
• Sum of all divisors σ(n): 157307931648
• Sum of proper divisors (its aliquot sum) s(n): 84917702320
• 72390229328 is an abundant number, because the sum of its proper divisors (84917702320) is greater than itself. Its abundance is 12527472992

Bases of 72390229328

• Binary: 1000011011010110010110011110101010000₂
• Hexadecimal: 0x10DACB3D50
• Base-36: X979UFK

Squares and roots of 72390229328

• 72390229328 squared (72390229328²) is 5240345302160431331584
• 72390229328 cubed (72390229328³) is 379349798181301077940762169495552
• The square root of 72390229328 is 269054.3241206133
• The cube root of 72390229328 is 4167.6699392825

Scales and comparisons

• 72,390,229,328 seconds is equal to 2,301 years, 40 weeks, 5 days, 21 hours, 2 minutes, 8 seconds.
• To count from 1 to 72,390,229,328 would take you about four thousand, six hundred three 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 72390229328 cubic inches would be around 347.3 feet tall.

Recreational maths with 72390229328

• 72390229328 backwards is 82392209327
• The number of decimal digits it has is: 11
• The sum of 72390229328's digits is 47
• More coming soon!