30751709989

Names of 30751709989

• Cardinal: 30751709989 can be written as Thirty billion, seven hundred fifty-one million, seven hundred nine thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 3.0751709989 × 10¹⁰

Factors of 30751709989

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 85

Divisors of 30751709989

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 11 13 17 37 77 91 119 143 169 187 221 259 289 407 481 629 1001 1183 1309 1547 1859 2023 2197 2431 2849 2873 3179 3367 3757 4403 4913 5291 6253 6919 8177 10693 13013 15379 17017 20111 22253 24167 26299 31603 34391 37037 37349 41327 43771 48433 48841 54043 57239 63869 68783 74851 81289 89947 106301 117623 139009 169169 181781 221221 261443 289289 341887 378301 410839 447083 481481 537251 569023 629629 634933 702559 744107 823361 830297 894179 973063 1169311 1272467 1381913 1529099 1807117 1999591 2363153 2875873 3760757 4444531 4917913 5812079 6259253 6984263 8185177 9133267 9673391 10703693 10793861 12649819 13997137 15201043 16542071 19878287 23492521 25994683 30720989 48889841 63932869 75557027 106407301 118732471 139148009 164447647 181962781 215046923 258417731 337930879 399372857 831127297 1808924117 2365516153 2795609999 4393101427 30751709989
• Sum of all divisors σ(n): 45321292800
• Sum of proper divisors (its aliquot sum) s(n): 14569582811
• 30751709989 is a deficient number, because the sum of its proper divisors (14569582811) is less than itself. Its deficiency is 16182127178

Bases of 30751709989

• Binary: 11100101000111100011101101100100101₂
• Hexadecimal: 0x728F1DB25
• Base-36: E4KRVAD

Squares and roots of 30751709989

• 30751709989 squared (30751709989²) is 945667667247562380121
• 30751709989 cubed (30751709989³) is 29080897849171192180667570728669
• The square root of 30751709989 is 175361.6548422147
• The cube root of 30751709989 is 3132.9713500935

Scales and comparisons

• 30,751,709,989 seconds is equal to 977 years, 42 weeks, 13 hours, 39 minutes, 49 seconds.
• To count from 1 to 30,751,709,989 would take you about one thousand, nine hundred fifty-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 30751709989 cubic inches would be around 261.1 feet tall.

Recreational maths with 30751709989

• 30751709989 backwards is 98990715703
• The number of decimal digits it has is: 11
• The sum of 30751709989's digits is 58
• More coming soon!