29155868872

Names of 29155868872

• Cardinal: 29155868872 can be written as Twenty-nine billion, one hundred fifty-five million, eight hundred sixty-eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.9155868872 × 10¹⁰

Factors of 29155868872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 779

Divisors of 29155868872

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 26 37 52 73 74 104 146 148 271 292 296 383 481 542 584 766 949 962 1084 1532 1898 1924 2168 2701 3064 3523 3796 3848 4979 5402 7046 7592 9958 10027 10804 14092 14171 19783 19916 20054 21608 27959 28184 28342 35113 39566 39832 40108 55918 56684 70226 79132 80216 103793 111836 113368 130351 140452 158264 184223 207586 223672 257179 260702 280904 363467 368446 415172 514358 521404 726934 731971 736892 830344 1028716 1034483 1042808 1349309 1453868 1463942 1473784 2057432 2068966 2698618 2907736 2927884 3840341 4137932 5397236 5855768 7576889 7680682 8275864 9515623 10794472 13448279 15153778 15361364 19031246 26896558 30307556 30722728 38062492 49924433 53793116 60615112 76124984 98499557 99848866 107586232 196999114 199697732 280344893 393998228 399395464 560689786 787996456 1121379572 2242759144 3644483609 7288967218 14577934436 29155868872
• Sum of all divisors σ(n): 61678632960
• Sum of proper divisors (its aliquot sum) s(n): 32522764088
• 29155868872 is an abundant number, because the sum of its proper divisors (32522764088) is greater than itself. Its abundance is 3366895216

Bases of 29155868872

• Binary: 11011001001110100110100000011001000₂
• Hexadecimal: 0x6C9D340C8
• Base-36: DE6NGEG

Squares and roots of 29155868872

• 29155868872 squared (29155868872²) is 850064689681258552384
• 29155868872 cubed (29155868872³) is 24784374625064145829236446990848
• The square root of 29155868872 is 170750.8971338071
• The cube root of 29155868872 is 3077.8113446943

Scales and comparisons

• 29,155,868,872 seconds is equal to 927 years, 3 weeks, 3 days, 4 hours, 27 minutes, 52 seconds.
• To count from 1 to 29,155,868,872 would take you about one thousand, eight hundred fifty-four 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 29155868872 cubic inches would be around 256.5 feet tall.

Recreational maths with 29155868872

• 29155868872 backwards is 27886855192
• The number of decimal digits it has is: 11
• The sum of 29155868872's digits is 61
• More coming soon!