7991131540028

Names of 7991131540028

• Cardinal: 7991131540028 can be written as Seven trillion, nine hundred ninety-one billion, one hundred thirty-one million, five hundred forty thousand and twenty-eight.

Scientific notation

• Scientific notation: 7.991131540028 × 10¹²

Factors of 7991131540028

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5369

Divisors of 7991131540028

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 13 14 26 28 52 91 169 182 338 364 401 676 802 1093 1183 1604 2186 2366 2807 3853 4372 4732 5213 5614 7651 7706 10426 11228 14209 15302 15412 20852 26971 28418 30604 36491 50089 53942 56836 67769 72982 99463 100178 107884 135538 145964 184717 198926 200356 271076 350623 369434 397852 438293 474383 651157 701246 738868 876586 948766 1293019 1302314 1402492 1545053 1753172 1897532 2586038 2604628 3068051 3090106 4211329 4558099 5172076 5697809 6136102 6180212 8422658 9116198 10815371 11395618 12272204 16845316 18232396 20085689 21630742 22791236 29479303 39884663 40171378 43261484 54747277 58958606 74071517 79769326 80342756 109494554 117917212 140599823 148143034 159538652 218989108 261113957 281199646 296286068 383230939 518500619 522227914 562399292 711714601 766461878 1037001238 1044455828 1423429202 1532923756 1688742929 1827797699 2074002476 2846858404 3377485858 3655595398 4982002207 6754971716 7311190796 9964004414 11821200503 19928008828 21953658077 23642401006 43907316154 47284802012 87814632308 153675606539 285397555001 307351213078 570795110002 614702426156 1141590220004 1997782885007 3995565770014 7991131540028
• Sum of all divisors σ(n): 17369775372096
• Sum of proper divisors (its aliquot sum) s(n): 9378643832068
• 7991131540028 is an abundant number, because the sum of its proper divisors (9378643832068) is greater than itself. Its abundance is 1387512292040

Bases of 7991131540028

• Binary: 1110100010010010100100011101000101000111100₂
• Hexadecimal: 0x744948E8A3C
• Base-36: 2TZ2PE6NW

Squares and roots of 7991131540028

• 7991131540028 squared (7991131540028²) is 63858183290030274966240784
• 7991131540028 cubed (7991131540028³) is 510299142577849926969720011955782101952
• The square root of 7991131540028 is 2826858.9529773149
• The cube root of 7991131540028 is 19992.6068841187

Scales and comparisons

• 7,991,131,540,028 seconds is equal to 254,093 years, 13 weeks, 5 days, 9 hours, 7 minutes, 8 seconds.
• To count from 1 to 7,991,131,540,028 would take you about six hundred thirty-five thousand, two hundred thirty-three 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 7991131540028 cubic inches would be around 1666.1 feet tall.

Recreational maths with 7991131540028

• 7991131540028 backwards is 8200451311997
• The number of decimal digits it has is: 13
• The sum of 7991131540028's digits is 50
• More coming soon!