42688773981

Names of 42688773981

• Cardinal: 42688773981 can be written as Forty-two billion, six hundred eighty-eight million, seven hundred seventy-three thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 4.2688773981 × 10¹⁰

Factors of 42688773981

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 39

Divisors of 42688773981

• Number of divisors d(n): 140
• Complete list of divisors:
  1 3 7 9 21 27 29 49 63 81 87 147 189 203 243 261 343 441 567 609 729 783 841 1029 1323 1421 1701 1827 2349 2401 2523 3087 3969 4263 5103 5481 5887 7047 7203 7569 9261 9947 11907 12789 16443 17661 21141 21609 22707 24389 27783 29841 35721 38367 41209 49329 52983 64827 68121 69629 73167 83349 89523 115101 123627 147987 158949 170723 194481 204363 208887 219501 250047 268569 288463 345303 370881 476847 512169 583443 613089 626661 658503 805707 865389 1035909 1112643 1195061 1430541 1536507 1750329 1879983 1975509 2019241 2417121 2596167 3337929 3585183 4291623 4609521 5639949 5926527 6057723 7251363 7788501 8365427 10013787 10755549 13828563 16919847 17779581 18173169 23365503 25096281 30041361 32266647 41485689 50759541 54519507 58557989 70096509 75288843 96799941 124457067 163558521 175673967 210289527 225866529 290399823 490675563 527021901 677599587 871199469 1472026689 1581065703 2032798761 4743197109 6098396283 14229591327 42688773981
• Sum of all divisors σ(n): 77333313180
• Sum of proper divisors (its aliquot sum) s(n): 34644539199
• 42688773981 is a deficient number, because the sum of its proper divisors (34644539199) is less than itself. Its deficiency is 8044234782

Bases of 42688773981

• Binary: 100111110000011100101111111101011101₂
• Hexadecimal: 0x9F072FF5D
• Base-36: JLZSKT9

Squares and roots of 42688773981

• 42688773981 squared (42688773981²) is 1822331424000902588361
• 42688773981 cubed (42688773981³) is 77793094277648409334540610235141
• The square root of 42688773981 is 206612.6181553295
• The cube root of 42688773981 is 3494.9252709251

Scales and comparisons

• 42,688,773,981 seconds is equal to 1,357 years, 19 weeks, 2 days, 46 minutes, 21 seconds.
• To count from 1 to 42,688,773,981 would take you about two thousand, seven hundred fourteen 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 42688773981 cubic inches would be around 291.2 feet tall.

Recreational maths with 42688773981

• 42688773981 backwards is 18937788624
• 42688773981 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 42688773981's digits is 63
• More coming soon!