31501917993

Names of 31501917993

• Cardinal: 31501917993 can be written as Thirty-one billion, five hundred one million, nine hundred seventeen thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 3.1501917993 × 10¹⁰

Factors of 31501917993

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2810

Divisors of 31501917993

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 13 21 31 37 39 91 93 111 217 259 273 403 481 651 777 1147 1209 1369 1443 2719 2821 3367 3441 4107 8029 8157 8463 9583 10101 14911 17797 19033 24087 28749 35347 42439 44733 53391 57099 84289 100603 104377 106041 124579 127317 247429 252867 297073 301809 313131 373737 551707 590023 704221 742287 891219 1095757 1307839 1655121 1770069 2112663 3118693 3287271 3722311 3861949 3923517 7670299 9154873 9356079 11166933 11585847 21830851 23010897 26056177 27464619 40543009 48390043 65492553 78168531 115391641 121629027 145170129 283801063 338730301 346174923 807741487 851403189 1016190903 1500091333 2423224461 4500273999 10500639331 31501917993
• Sum of all divisors σ(n): 54864445440
• Sum of proper divisors (its aliquot sum) s(n): 23362527447
• 31501917993 is a deficient number, because the sum of its proper divisors (23362527447) is less than itself. Its deficiency is 8139390546

Bases of 31501917993

• Binary: 11101010101101010010001111100101001₂
• Hexadecimal: 0x755A91F29
• Base-36: EGZFFHL

Squares and roots of 31501917993

• 31501917993 squared (31501917993²) is 992370837237697148049
• 31501917993 cubed (31501917993³) is 31261584733306686206009577945657
• The square root of 31501917993 is 177487.7967438889
• The cube root of 31501917993 is 3158.2438966463

Scales and comparisons

• 31,501,917,993 seconds is equal to 1,001 years, 34 weeks, 3 days, 12 hours, 46 minutes, 33 seconds.
• To count from 1 to 31,501,917,993 would take you about two thousand and 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 31501917993 cubic inches would be around 263.2 feet tall.

Recreational maths with 31501917993

• 31501917993 backwards is 39971910513
• The number of decimal digits it has is: 11
• The sum of 31501917993's digits is 48
• More coming soon!