42391942131

Names of 42391942131

• Cardinal: 42391942131 can be written as Forty-two billion, three hundred ninety-one million, nine hundred forty-two thousand, one hundred thirty-one.

Scientific notation

• Scientific notation: 4.2391942131 × 10¹⁰

Factors of 42391942131

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1121

Divisors of 42391942131

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 11 19 21 33 57 61 77 133 183 191 209 231 399 427 573 627 671 829 1159 1281 1337 1463 2013 2101 2487 3477 3629 4011 4389 4697 5803 6303 8113 9119 10887 11651 12749 14091 14707 15751 17409 24339 25403 27357 34953 38247 39919 44121 47253 50569 63833 76209 81557 89243 110257 119757 128161 151707 158339 173261 191499 221369 244671 267729 279433 330771 353983 384483 475017 519783 556259 664107 838299 897127 960811 1061949 1108373 1212827 1549583 1668777 1741729 2435059 2691381 2882433 3008441 3325119 3638481 3893813 4648749 5225187 6725677 7305177 9025323 9658679 10568921 11681439 12192103 17045413 20177031 21059087 28976037 31706763 33092851 36576309 51136239 63177261 67610753 73982447 99278553 106245469 183514901 202832259 221947341 231649957 318736407 550544703 694949871 743718283 1284604307 2018663911 2231154849 3853812921 6055991733 14130647377 42391942131
• Sum of all divisors σ(n): 75880857600
• Sum of proper divisors (its aliquot sum) s(n): 33488915469
• 42391942131 is a deficient number, because the sum of its proper divisors (33488915469) is less than itself. Its deficiency is 8903026662

Bases of 42391942131

• Binary: 100111011110110000011011001111110011₂
• Hexadecimal: 0x9DEC1B3F3
• Base-36: JH32FW3

Squares and roots of 42391942131

• 42391942131 squared (42391942131²) is 1797076757638052821161
• 42391942131 cubed (42391942131³) is 76181573914757447438178404234091
• The square root of 42391942131 is 205893.0356544387
• The cube root of 42391942131 is 3486.8058922683

Scales and comparisons

• 42,391,942,131 seconds is equal to 1,347 years, 48 weeks, 3 days, 11 hours, 28 minutes, 51 seconds.
• To count from 1 to 42,391,942,131 would take you about two thousand, six hundred ninety-five 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 42391942131 cubic inches would be around 290.6 feet tall.

Recreational maths with 42391942131

• 42391942131 backwards is 13124919324
• The number of decimal digits it has is: 11
• The sum of 42391942131's digits is 39
• More coming soon!