29905915520

Names of 29905915520

• Cardinal: 29905915520 can be written as Twenty-nine billion, nine hundred five million, nine hundred fifteen thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.990591552 × 10¹⁰

Factors of 29905915520

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 21289

Divisors of 29905915520

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 169 208 260 320 338 416 520 640 676 832 845 1040 1352 1664 1690 2080 2197 2704 3380 4160 4394 5408 6760 8320 8788 10816 10985 13520 17576 21269 21632 21970 27040 35152 42538 43940 54080 70304 85076 87880 106345 108160 140608 170152 175760 212690 276497 281216 340304 351520 425380 552994 680608 703040 850760 1105988 1361216 1382485 1406080 1701520 2211976 2722432 2764970 3403040 3594461 4423952 5529940 6806080 7188922 8847904 11059880 13612160 14377844 17695808 17972305 22119760 28755688 35391616 35944610 44239520 46727993 57511376 71889220 88479040 93455986 115022752 143778440 176958080 186911972 230045504 233639965 287556880 373823944 460091008 467279930 575113760 747647888 934559860 1150227520 1495295776 1869119720 2300455040 2990591552 3738239440 5981183104 7476478880 14952957760 29905915520
• Sum of all divisors σ(n): 77452578000
• Sum of proper divisors (its aliquot sum) s(n): 47546662480
• 29905915520 is an abundant number, because the sum of its proper divisors (47546662480) is greater than itself. Its abundance is 17640746960

Bases of 29905915520

• Binary: 11011110110100010000000111010000000₂
• Hexadecimal: 0x6F6880E80
• Base-36: DQL7K3K

Squares and roots of 29905915520

• 29905915520 squared (29905915520²) is 894363783089376870400
• 29905915520 cubed (29905915520³) is 26746767741218509295624388608000
• The square root of 29905915520 is 172933.2689796847
• The cube root of 29905915520 is 3103.9808559771

Scales and comparisons

• 29,905,915,520 seconds is equal to 950 years, 47 weeks, 4 days, 6 hours, 45 minutes, 20 seconds.
• To count from 1 to 29,905,915,520 would take you about one thousand, nine hundred one 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 29905915520 cubic inches would be around 258.7 feet tall.

Recreational maths with 29905915520

• 29905915520 backwards is 02551950992
• The number of decimal digits it has is: 11
• The sum of 29905915520's digits is 47
• More coming soon!