85085015642

Names of 85085015642

• Cardinal: 85085015642 can be written as Eighty-five billion, eighty-five million, fifteen thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 8.5085015642 × 10¹⁰

Factors of 85085015642

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1300

Divisors of 85085015642

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 11 19 22 38 43 61 71 86 122 142 209 418 473 671 781 817 946 1093 1159 1342 1349 1562 1634 2186 2318 2623 2698 3053 4331 5246 6106 8662 8987 12023 12749 14839 17974 20767 24046 25498 28853 29678 33583 41534 46999 47641 49837 57706 58007 66673 67166 77603 82289 93998 95282 99674 116014 133346 155206 164578 186233 228437 372466 456874 516989 548207 638077 733403 853633 892981 905179 1033978 1096414 1266787 1276154 1466806 1474457 1707266 1785962 1810358 2048563 2533574 2866939 2948914 3336929 3538427 4097126 4733783 5733878 6673858 7076854 9467566 9822791 13934657 16219027 19645582 27869314 31536329 32438054 36706219 38922697 52071613 54471841 63072658 63401651 73412438 77845394 89941877 104143226 108943682 126803302 179883754 203552669 407105338 599190251 697418161 989360647 1198380502 1394836322 1978721294 2239079359 3867500711 4478158718 7735001422 42542507821 85085015642
• Sum of all divisors σ(n): 154712954880
• Sum of proper divisors (its aliquot sum) s(n): 69627939238
• 85085015642 is a deficient number, because the sum of its proper divisors (69627939238) is less than itself. Its deficiency is 15457076404

Bases of 85085015642

• Binary: 1001111001111011101100100111001011010₂
• Hexadecimal: 0x13CF764E5A
• Base-36: 1335F68Q

Squares and roots of 85085015642

• 85085015642 squared (85085015642²) is 7239459886799384672164
• 85085015642 cubed (85085015642³) is 615969557707957194147048981989288
• The square root of 85085015642 is 291693.3589268017
• The cube root of 85085015642 is 4398.2950633105

Scales and comparisons

• 85,085,015,642 seconds is equal to 2,705 years, 22 weeks, 6 days, 6 hours, 34 minutes, 2 seconds.
• To count from 1 to 85,085,015,642 would take you about five thousand, four hundred ten 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 85085015642 cubic inches would be around 366.5 feet tall.

Recreational maths with 85085015642

• 85085015642 backwards is 24651058058
• The number of decimal digits it has is: 11
• The sum of 85085015642's digits is 44
• More coming soon!