42731913978

Names of 42731913978

• Cardinal: 42731913978 can be written as Forty-two billion, seven hundred thirty-one million, nine hundred thirteen thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 4.2731913978 × 10¹⁰

Factors of 42731913978

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 417

Divisors of 42731913978

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 9 13 18 26 31 37 39 62 74 78 93 111 117 169 186 222 234 279 331 333 338 403 481 507 558 662 666 806 962 993 1014 1147 1209 1369 1443 1521 1986 2294 2418 2738 2886 2979 3042 3441 3627 4107 4303 4329 5239 5958 6253 6882 7254 8214 8606 8658 10261 10323 10478 12247 12321 12506 12909 14911 15717 17797 18759 20522 20646 24494 24642 25818 29822 30783 31434 35594 36741 37518 38727 42439 44733 47151 53391 55939 56277 61566 73482 77454 84878 89466 92349 94302 106782 110223 111878 112554 127317 133393 134199 159211 160173 167817 184698 193843 220446 231361 254634 266786 268398 318422 320346 335634 379657 381951 387686 400179 453139 462722 477633 503451 551707 581529 694083 759314 763902 800358 906278 955266 1006902 1103414 1138971 1163058 1200537 1359417 1388166 1432899 1655121 1734109 1744587 2069743 2082249 2277942 2401074 2718834 2865798 3310242 3416913 3468218 3489174 4078251 4139486 4164498 4935541 4965363 5202327 5890807 6209229 6833826 7172191 8156502 9871082 9930726 10404654 11781614 12418458 14047309 14344382 14806623 15606981 17672421 18627687 21516573 28094618 29613246 31213962 35344842 37255374 42141927 43033146 44419869 53017263 64162033 64549719 76580491 84283854 88839738 106034526 126425781 128324066 129099438 153160982 182615017 192486099 229741473 252851562 365230034 384972198 459482946 547845051 577458297 689224419 1095690102 1154916594 1378448838 1643535153 2373995221 3287070306 4747990442 7121985663 14243971326 21365956989 42731913978
• Sum of all divisors σ(n): 106683647616
• Sum of proper divisors (its aliquot sum) s(n): 63951733638
• 42731913978 is an abundant number, because the sum of its proper divisors (63951733638) is greater than itself. Its abundance is 21219819660

Bases of 42731913978

• Binary: 100111110011000001010100001011111010₂
• Hexadecimal: 0x9F30542FA
• Base-36: JMPH7UI

Squares and roots of 42731913978

• 42731913978 squared (42731913978²) is 1826016472223191784484
• 42731913978 cubed (42731913978³) is 78029178813452457751166603117352
• The square root of 42731913978 is 206716.9900564537
• The cube root of 42731913978 is 3496.1021635201

Scales and comparisons

• 42,731,913,978 seconds is equal to 1,358 years, 38 weeks, 4 days, 8 hours, 6 minutes, 18 seconds.
• To count from 1 to 42,731,913,978 would take you about two thousand, seven hundred seventeen 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 42731913978 cubic inches would be around 291.3 feet tall.

Recreational maths with 42731913978

• 42731913978 backwards is 87931913724
• The number of decimal digits it has is: 11
• The sum of 42731913978's digits is 54
• More coming soon!