129949676829

Names of 129949676829

• Cardinal: 129949676829 can be written as One hundred twenty-nine billion, nine hundred forty-nine million, six hundred seventy-six thousand, eight hundred twenty-nine.

Scientific notation

• Scientific notation: 1.29949676829 × 10¹¹

Factors of 129949676829

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1119

Divisors of 129949676829

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 7 9 17 21 31 49 51 63 93 119 147 153 217 279 289 357 441 527 651 833 867 961 1061 1071 1519 1581 1953 2023 2499 2601 2883 3183 3689 4557 4743 6069 6727 7427 7497 8649 8959 9549 11067 13671 14161 16337 18037 18207 20181 22281 25823 26877 32891 33201 42483 47089 49011 51989 54111 60543 62713 66843 77469 80631 98673 114359 126259 127449 141267 147033 155967 162333 188139 230237 232407 277729 296019 306629 343077 378777 423801 438991 467901 559147 564417 690711 800513 833187 883813 919887 1019621 1029231 1136331 1316973 1611659 1677441 1944103 2072133 2146403 2401539 2499561 2651439 2759661 3058863 3914029 3950919 4834977 5032323 5832309 6439209 7137347 7204617 7954317 9176589 9505499 11742087 13608721 14504931 15024821 17333557 17496927 19317627 21412041 27398203 28516497 35226261 40826163 45074463 49961429 52000671 64236123 66538493 82194609 85549491 121334899 122478489 135223389 149884287 156002013 199615479 246583827 294670469 364004697 449652861 465769451 598846437 849344293 884011407 1092014091 1397308353 2062693283 2548032879 2652034221 4191925059 6188079849 7644098637 14438852981 18564239547 43316558943 129949676829
• Sum of all divisors σ(n): 239900055642
• Sum of proper divisors (its aliquot sum) s(n): 109950378813
• 129949676829 is a deficient number, because the sum of its proper divisors (109950378813) is less than itself. Its deficiency is 19999298016

Bases of 129949676829

• Binary: 1111001000001100110101011010100011101₂
• Hexadecimal: 0x1E419AB51D
• Base-36: 1NP4OKD9

Squares and roots of 129949676829

• 129949676829 squared (129949676829²) is 16886918507961539495241
• 129949676829 cubed (129949676829³) is 2194449602747260920967887733470789
• The square root of 129949676829 is 360485.3351094881
• The cube root of 129949676829 is 5065.1432758421

Scales and comparisons

• 129,949,676,829 seconds is equal to 4,131 years, 51 weeks, 6 days, 4 hours, 27 minutes, 9 seconds.
• To count from 1 to 129,949,676,829 would take you about eight thousand, two hundred sixty-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 129949676829 cubic inches would be around 422.1 feet tall.

Recreational maths with 129949676829

• 129949676829 backwards is 928676949921
• The number of decimal digits it has is: 12
• The sum of 129949676829's digits is 72
• More coming soon!