85378400388

Names of 85378400388

• Cardinal: 85378400388 can be written as Eighty-five billion, three hundred seventy-eight million, four hundred thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 8.5378400388 × 10¹⁰

Factors of 85378400388

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 918

Divisors of 85378400388

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 18 29 31 36 58 59 61 62 87 93 116 118 122 124 174 177 183 186 236 244 261 279 348 354 366 372 522 531 549 558 708 732 733 899 1044 1062 1098 1116 1466 1711 1769 1798 1829 1891 2124 2196 2199 2697 2932 3422 3538 3596 3599 3658 3782 4398 5133 5307 5394 5487 5673 6597 6844 7076 7198 7316 7564 8091 8796 10266 10614 10788 10797 10974 11346 13194 14396 15399 15921 16182 16461 17019 20532 21228 21257 21594 21948 22692 22723 26388 30798 31842 32364 32391 32922 34038 42514 43188 43247 44713 45446 53041 54839 61596 63684 63771 64782 65844 68076 68169 85028 86494 89426 90892 104371 106082 109678 111569 127542 129564 129741 134139 136338 159123 164517 172988 178852 191313 204507 208742 212164 219356 223138 255084 259482 268278 272676 313113 318246 329034 334707 382626 389223 402417 409014 417484 446276 477369 493551 518964 536556 626226 636492 658068 658967 669414 765252 778446 804834 818028 939339 954738 987102 1004121 1252452 1254163 1296677 1317934 1338828 1340657 1386103 1556892 1609668 1878678 1909476 1974204 1976901 2008242 2508326 2593354 2635868 2638067 2681314 2772206 3235501 3757356 3762489 3890031 3953802 4016484 4021971 4158309 5016652 5186708 5276134 5362628 5544412 5930703 6471002 7524978 7780062 7907604 7914201 8043942 8316618 9706503 10552268 11287467 11670093 11861406 12065913 12474927 12942004 15049956 15560124 15828402 16087884 16633236 19413006 22574934 23340186 23722812 23742603 24131826 24949854 29119509 31656804 38826012 38879053 40196987 45149868 46680372 47485206 48263652 49899708 58239018 76503943 77758106 80393974 81780077 94970412 116478036 116637159 120590961 153007886 155516212 160787948 163560154 229511829 233274318 241181922 245340231 306015772 327120308 349911477 361772883 459023658 466548636 482363844 490680462 688535487 699822954 723545766 736020693 918047316 981360924 1377070974 1399645908 1447091532 1472041386 2371622233 2754141948 2944082772 4743244466 7114866699 9486488932 14229733398 21344600097 28459466796 42689200194 85378400388
• Sum of all divisors σ(n): 238534732800
• Sum of proper divisors (its aliquot sum) s(n): 153156332412
• 85378400388 is an abundant number, because the sum of its proper divisors (153156332412) is greater than itself. Its abundance is 67777932024

Bases of 85378400388

• Binary: 1001111100000111100110000000010000100₂
• Hexadecimal: 0x13E0F30084
• Base-36: 13803FD0

Squares and roots of 85378400388

• 85378400388 squared (85378400388²) is 7289471252813638550544
• 85378400388 cubed (85378400388³) is 622363395239538803715457607211072
• The square root of 85378400388 is 292195.8254116577
• The cube root of 85378400388 is 4403.3445711661

Scales and comparisons

• 85,378,400,388 seconds is equal to 2,714 years, 39 weeks, 6 days, 22 hours, 19 minutes, 48 seconds.
• To count from 1 to 85,378,400,388 would take you about five thousand, four hundred twenty-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 85378400388 cubic inches would be around 366.9 feet tall.

Recreational maths with 85378400388

• 85378400388 backwards is 88300487358
• The number of decimal digits it has is: 11
• The sum of 85378400388's digits is 54
• More coming soon!