31428357210

Names of 31428357210

• Cardinal: 31428357210 can be written as Thirty-one billion, four hundred twenty-eight million, three hundred fifty-seven thousand, two hundred ten.

Scientific notation

• Scientific notation: 3.142835721 × 10¹⁰

Factors of 31428357210

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6239

Divisors of 31428357210

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 6229 12458 18687 31145 37374 56061 62290 93435 112122 168183 186870 280305 336366 504549 560610 840915 1009098 1681830 2522745 5045490 38800441 77600882 116401323 194002205 232802646 349203969 388004410 582006615 698407938 1047611907 1164013230 1746019845 2095223814 3142835721 3492039690 5238059535 6285671442 10476119070 15714178605 31428357210
• Sum of all divisors σ(n): 84520929438
• Sum of proper divisors (its aliquot sum) s(n): 53092572228
• 31428357210 is an abundant number, because the sum of its proper divisors (53092572228) is greater than itself. Its abundance is 21664215018

Bases of 31428357210

• Binary: 11101010001010001101010110001011010₂
• Hexadecimal: 0x75146AC5A
• Base-36: EFRMRMI

Squares and roots of 31428357210

• 31428357210 squared (31428357210²) is 987741636919358984100
• 31428357210 cubed (31428357210³) is 31043096996291738116517510361000
• The square root of 31428357210 is 177280.4479066995
• The cube root of 31428357210 is 3155.7836870493

Scales and comparisons

• 31,428,357,210 seconds is equal to 999 years, 16 weeks, 6 days, 3 hours, 13 minutes, 30 seconds.
• To count from 1 to 31,428,357,210 would take you about one thousand, nine hundred ninety-eight 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 31428357210 cubic inches would be around 263 feet tall.

Recreational maths with 31428357210

• 31428357210 backwards is 01275382413
• The number of decimal digits it has is: 11
• The sum of 31428357210's digits is 36
• More coming soon!