85381383440

Names of 85381383440

• Cardinal: 85381383440 can be written as Eighty-five billion, three hundred eighty-one million, three hundred eighty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 8.538138344 × 10¹⁰

Factors of 85381383440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 18378

Divisors of 85381383440

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 4547 9094 13807 18188 22735 27614 36376 45470 55228 69035 72752 77299 90940 110456 138070 154598 181880 220912 234719 276140 309196 363760 386495 469438 552280 618392 772990 938876 1104560 1173595 1236784 1545980 1877752 2347190 3091960 3755504 4694380 6183920 9388760 18777520 62780429 125560858 251121716 313902145 502243432 627804290 1004486864 1067267293 1255608580 2134534586 2511217160 4269069172 5022434320 5336336465 8538138344 10672672930 17076276688 21345345860 42690691720 85381383440
• Sum of all divisors σ(n): 210250328832
• Sum of proper divisors (its aliquot sum) s(n): 124868945392
• 85381383440 is an abundant number, because the sum of its proper divisors (124868945392) is greater than itself. Its abundance is 39487561952

Bases of 85381383440

• Binary: 1001111100001001000001000010100010000₂
• Hexadecimal: 0x13E1208510
• Base-36: 1381VD3K

Squares and roots of 85381383440

• 85381383440 squared (85381383440²) is 7289980638128306233600
• 85381383440 cubed (85381383440³) is 622428632134208798448743811584000
• The square root of 85381383440 is 292200.9299095401
• The cube root of 85381383440 is 4403.3958536637

Scales and comparisons

• 85,381,383,440 seconds is equal to 2,714 years, 44 weeks, 6 days, 10 hours, 57 minutes, 20 seconds.
• To count from 1 to 85,381,383,440 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 85381383440 cubic inches would be around 366.9 feet tall.

Recreational maths with 85381383440

• 85381383440 backwards is 04438318358
• The number of decimal digits it has is: 11
• The sum of 85381383440's digits is 47
• More coming soon!