18078072312

Names of 18078072312

• Cardinal: 18078072312 can be written as Eighteen billion, seventy-eight million, seventy-two thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.8078072312 × 10¹⁰

Factors of 18078072312

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 301

Divisors of 18078072312

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 23 24 46 53 69 89 92 106 131 138 159 178 184 212 262 267 276 318 356 393 424 524 534 552 636 712 786 1048 1068 1219 1272 1572 2047 2136 2438 2809 3013 3144 3657 4094 4717 4876 5618 6026 6141 6943 7314 8188 8427 9039 9434 9752 11236 11659 12052 12282 13886 14151 14628 16376 16854 18078 18868 20829 22472 23318 24104 24564 27772 28302 29256 33708 34977 36156 37736 41658 46636 49128 55544 56604 64607 67416 69954 72312 83316 93272 108491 113208 129214 139908 159689 166632 193821 216982 250001 258428 268157 279816 319378 325473 367979 387642 433964 479067 500002 516856 536314 617927 638756 650946 735958 750003 775284 804471 867928 958134 1000004 1072628 1103937 1235854 1277512 1301892 1471916 1500006 1550568 1608942 1853781 1916268 2000008 2145256 2207874 2471708 2603784 2943832 3000012 3217884 3707562 3832536 4415748 4943416 5750023 6000024 6435768 7415124 8463517 8831496 11500046 14212321 14830248 16927034 17250069 23000092 25390551 28424642 32750131 33854068 34500138 42636963 46000184 50781102 56849284 65500262 67708136 69000276 85273926 98250393 101562204 113698568 131000524 138000552 170547852 196500786 203124408 262001048 341095704 393001572 753253013 786003144 1506506026 2259759039 3013012052 4519518078 6026024104 9039036156 18078072312
• Sum of all divisors σ(n): 48977913600
• Sum of proper divisors (its aliquot sum) s(n): 30899841288
• 18078072312 is an abundant number, because the sum of its proper divisors (30899841288) is greater than itself. Its abundance is 12821768976

Bases of 18078072312

• Binary: 10000110101100010010111110111111000₂
• Hexadecimal: 0x435897DF8
• Base-36: 8AZ7TVC

Squares and roots of 18078072312

• 18078072312 squared (18078072312²) is 326816698517901025344
• 18078072312 cubed (18078072312³) is 5908215908575717962627776675328
• The square root of 18078072312 is 134454.7221632621
• The cube root of 18078072312 is 2624.5249540725

Scales and comparisons

• 18,078,072,312 seconds is equal to 574 years, 42 weeks, 6 days, 22 hours, 45 minutes, 12 seconds.
• To count from 1 to 18,078,072,312 would take you about one thousand, one hundred forty-nine 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 18078072312 cubic inches would be around 218.7 feet tall.

Recreational maths with 18078072312

• 18078072312 backwards is 21327087081
• The number of decimal digits it has is: 11
• The sum of 18078072312's digits is 39
• More coming soon!