85745521420

Names of 85745521420

• Cardinal: 85745521420 can be written as Eighty-five billion, seven hundred forty-five million, five hundred twenty-one thousand, four hundred twenty.

Scientific notation

• Scientific notation: 8.574552142 × 10¹⁰

Factors of 85745521420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2091

Divisors of 85745521420

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 361 380 494 653 722 988 1235 1306 1399 1444 1805 2470 2612 2798 3265 3610 4693 4940 5596 6530 6995 7220 8489 9386 12407 13060 13990 16978 18187 18772 23465 24814 26581 27980 33956 36374 42445 46930 49628 53162 62035 72748 84890 90935 93860 106324 124070 132905 161291 169780 181870 235733 248140 265810 322582 345553 363740 471466 505039 531620 645164 691106 806455 913547 942932 1010078 1178665 1382212 1612910 1727765 1827094 2020156 2357330 2525195 3064529 3225820 3455530 3654188 4567735 4714660 5050390 6129058 6565507 6911060 9135470 10100780 11876111 12258116 13131014 15322645 17357393 18270940 23752222 26262028 30645290 32827535 34714786 47504444 59380555 61290580 65655070 69429572 86786965 118761110 131310140 173573930 225646109 237522220 329790467 347147860 451292218 659580934 902584436 1128230545 1319161868 1648952335 2256461090 3297904670 4287276071 4512922180 6595809340 8574552142 17149104284 21436380355 42872760710 85745521420
• Sum of all divisors σ(n): 205120036800
• Sum of proper divisors (its aliquot sum) s(n): 119374515380
• 85745521420 is an abundant number, because the sum of its proper divisors (119374515380) is greater than itself. Its abundance is 33628993960

Bases of 85745521420

• Binary: 1001111110110110101001101001100001100₂
• Hexadecimal: 0x13F6D4D30C
• Base-36: 13E2O3RG

Squares and roots of 85745521420

• 85745521420 squared (85745521420²) is 7352294443587678816400
• 85745521420 cubed (85745521420³) is 630426320698794295599706447288000
• The square root of 85745521420 is 292823.3621485825
• The cube root of 85745521420 is 4409.6469024491

Scales and comparisons

• 85,745,521,420 seconds is equal to 2,726 years, 23 weeks, 23 minutes, 40 seconds.
• To count from 1 to 85,745,521,420 would take you about five thousand, four hundred fifty-two 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 85745521420 cubic inches would be around 367.5 feet tall.

Recreational maths with 85745521420

• 85745521420 backwards is 02412554758
• The number of decimal digits it has is: 11
• The sum of 85745521420's digits is 43
• More coming soon!