142157698431

Names of 142157698431

• Cardinal: 142157698431 can be written as One hundred forty-two billion, one hundred fifty-seven million, six hundred ninety-eight thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 1.42157698431 × 10¹¹

Factors of 142157698431

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1686

Divisors of 142157698431

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 21 23 49 67 69 147 161 201 469 483 757 829 1127 1407 1541 2271 2487 3283 3381 4623 5299 5803 9849 10787 15897 17409 17411 19067 32361 37093 40621 50719 52233 55543 57201 75509 111279 121863 121877 133469 152157 166629 226527 355033 365631 388801 400407 627553 853139 934283 1065099 1166403 1166537 1277489 1882659 2485231 2559417 2721607 2802849 3499611 3832467 4392871 7455693 8164821 8165759 8942423 13178613 14433719 24497277 26827269 30750097 42046051 43301157 57160313 62596961 92250291 101036033 126138153 171480939 187790883 294322357 303108099 707252231 882967071 967059173 2060256499 2121756693 2901177519 6180769497 6769414211 20308242633 47385899477 142157698431
• Sum of all divisors σ(n): 234100477440
• Sum of proper divisors (its aliquot sum) s(n): 91942779009
• 142157698431 is a deficient number, because the sum of its proper divisors (91942779009) is less than itself. Its deficiency is 50214919422

Bases of 142157698431

• Binary: 10000100011001010000100101010101111111₂
• Hexadecimal: 0x211942557F
• Base-36: 1TB10U4F

Squares and roots of 142157698431

• 142157698431 squared (142157698431²) is 20208811223199139861761
• 142157698431 cubed (142157698431³) is 2872838091516551555526811266596991
• The square root of 142157698431 is 377038.0596584383
• The cube root of 142157698431 is 5219.0340205821

Scales and comparisons

• 142,157,698,431 seconds is equal to 4,520 years, 9 weeks, 17 hours, 33 minutes, 51 seconds.
• To count from 1 to 142,157,698,431 would take you about nine thousand and forty 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 142157698431 cubic inches would be around 434.9 feet tall.

Recreational maths with 142157698431

• 142157698431 backwards is 134896751241
• The number of decimal digits it has is: 12
• The sum of 142157698431's digits is 51
• More coming soon!