31378020975

Names of 31378020975

• Cardinal: 31378020975 can be written as Thirty-one billion, three hundred seventy-eight million, twenty thousand, nine hundred seventy-five.

Scientific notation

• Scientific notation: 3.1378020975 × 10¹⁰

Factors of 31378020975

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 147

Divisors of 31378020975

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 31 35 45 49 63 75 81 93 101 105 135 147 155 175 189 217 225 245 279 303 315 405 441 465 505 525 567 651 675 707 735 775 837 909 945 1085 1225 1323 1395 1515 1519 1575 1953 2025 2121 2205 2325 2511 2525 2727 2835 3131 3255 3535 3675 3969 4185 4545 4557 4725 4949 5425 5859 6363 6615 6975 7575 7595 8181 9393 9765 10201 10605 11025 12555 13635 13671 14175 14847 15655 16275 17577 17675 19089 19845 20925 21917 22725 22785 24745 28179 29295 30603 31815 33075 37975 40905 41013 44541 46965 48825 51005 53025 57267 62775 65751 68175 68355 71407 74235 78275 84537 87885 91809 95445 99225 109585 113925 123039 123725 133623 140895 146475 153015 153419 159075 197253 204525 205065 214221 222705 234825 253611 255025 275427 286335 316231 328755 341775 357035 371175 400869 422685 439425 459045 460257 477225 499849 547925 591759 615195 642663 668115 704475 765075 767095 826281 948693 986265 1025325 1071105 1113525 1268055 1377135 1380771 1431675 1499547 1581155 1643775 1775277 1785175 1927989 2004345 2113425 2213617 2295225 2301285 2499245 2846079 2958795 3075975 3213315 3340575 3835475 4131405 4142313 4498641 4743465 4931325 5355525 5783967 6340275 6640851 6885675 6903855 7497735 7905775 8538237 8876385 9639945 10021725 11068085 11506425 12426939 12496225 13495923 14230395 14793975 15495319 16066575 19922553 20657025 20711565 22493205 23717325 25614711 28919835 33204255 34519275 37488675 40487769 42691185 44381925 46485957 48199725 55340425 59767659 62134695 67479615 71151975 77476595 99612765 103557825 112466025 128073555 139457871 144599175 166021275 179302977 202438845 213455925 232429785 298838295 310673475 337398075 387382975 418373613 498063825 640367775 697289355 896514885 1012194225 1162148925 1255120839 1494191475 2091868065 3486446775 4482574425 6275604195 10459340325 31378020975
• Sum of all divisors σ(n): 70491312672
• Sum of proper divisors (its aliquot sum) s(n): 39113291697
• 31378020975 is an abundant number, because the sum of its proper divisors (39113291697) is greater than itself. Its abundance is 7735270722

Bases of 31378020975

• Binary: 11101001110010001101001101001101111₂
• Hexadecimal: 0x74E469A6F
• Base-36: EEXNVXR

Squares and roots of 31378020975

• 31378020975 squared (31378020975²) is 984580200307539950625
• 31378020975 cubed (31378020975³) is 30894178176819690021361714359375
• The square root of 31378020975 is 177138.4232034371
• The cube root of 31378020975 is 3154.0979997193

Scales and comparisons

• 31,378,020,975 seconds is equal to 997 years, 37 weeks, 4 days, 12 hours, 56 minutes, 15 seconds.
• To count from 1 to 31,378,020,975 would take you about one thousand, nine 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 31378020975 cubic inches would be around 262.8 feet tall.

Recreational maths with 31378020975

• 31378020975 backwards is 57902087313
• 31378020975 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31378020975's digits is 45
• More coming soon!