31131768772225

Names of 31131768772225

• Cardinal: 31131768772225 can be written as Thirty-one trillion, one hundred thirty-one billion, seven hundred sixty-eight million, seven hundred seventy-two thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 3.1131768772225 × 10¹³

Factors of 31131768772225

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 688

Divisors of 31131768772225

• Number of divisors d(n): 81
• Complete list of divisors:
  1 5 11 25 55 121 229 275 443 605 1145 2215 2519 3025 4873 5725 11075 12595 24365 27709 52441 53603 62975 101447 121825 138545 196249 262205 268015 507235 576851 692725 981245 1115917 1311025 1340075 2158739 2536175 2884255 4906225 5579585 6345361 10793695 12275087 14421275 23231363 23746129 27897925 31726805 44941021 53968475 61375435 116156815 118730645 158634025 224705105 255544993 306877175 494351231 580784075 593653225 1123525525 1277724965 2471756155 2810994923 5437863541 6388624825 10291493809 12358780775 14054974615 27189317705 51457469045 70274873075 113206431899 135946588525 257287345225 566032159495 1245270750889 2830160797475 6226353754445 31131768772225
• Sum of all divisors σ(n): 42714350103369
• Sum of proper divisors (its aliquot sum) s(n): 11582581331144
• 31131768772225 is a deficient number, because the sum of its proper divisors (11582581331144) is less than itself. Its deficiency is 19549187441081

Bases of 31131768772225

• Binary: 111000101000001101110000001001101011010000001₂
• Hexadecimal: 0x1C506E04D681
• Base-36: B19QJBTS1

Squares and roots of 31131768772225

• 31131768772225 squared (31131768772225²) is 969187026887283683931450625
• 31131768772225 cubed (31131768772225³) is 30172506418095129636371891584919458890625
• 31131768772225 is a perfect square number. Its square root is 5579585
• The cube root of 31131768772225 is 31458.2528421947

Scales and comparisons

• 31,131,768,772,225 seconds is equal to 989,893 years, 49 weeks, 2 days, 19 hours, 50 minutes, 25 seconds.
• To count from 1 to 31,131,768,772,225 would take you about two million, four hundred seventy-four thousand, seven hundred thirty-four 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 31131768772225 cubic inches would be around 2621.5 feet tall.

Recreational maths with 31131768772225

• 31131768772225 backwards is 52227786713113
• 31131768772225 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31131768772225's digits is 55
• More coming soon!