29999898720

Names of 29999898720

• Cardinal: 29999898720 can be written as Twenty-nine billion, nine hundred ninety-nine million, eight hundred ninety-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.999989872 × 10¹⁰

Factors of 29999898720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 210458

Divisors of 29999898720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 66 72 80 81 88 90 96 99 108 110 120 132 135 144 160 162 165 176 180 198 216 220 240 264 270 288 297 324 330 352 360 396 405 432 440 480 495 528 540 594 648 660 720 792 810 864 880 891 990 1056 1080 1188 1296 1320 1440 1485 1584 1620 1760 1782 1980 2160 2376 2592 2640 2970 3168 3240 3564 3960 4320 4455 4752 5280 5940 6480 7128 7920 8910 9504 11880 12960 14256 15840 17820 23760 28512 35640 47520 71280 142560 210437 420874 631311 841748 1052185 1262622 1683496 1893933 2104370 2314807 2525244 3156555 3366992 3787866 4208740 4629614 5050488 5681799 6313110 6733984 6944421 7575732 8417480 9259228 9469665 10100976 11363598 11574035 12626220 13888842 15151464 16834960 17045397 18518456 18939330 20201952 20833263 22727196 23148070 25252440 27777684 28408995 30302928 33669920 34090794 34722105 37036912 37878660 41666526 45454392 46296140 50504880 55555368 56817990 60605856 62499789 68181588 69444210 74073824 75757320 83333052 85226985 90908784 92592280 101009760 104166315 111110736 113635980 124999578 136363176 138888420 151514640 166666104 170453970 181817568 185184560 187499367 208332630 222221472 227271960 249999156 272726352 277776840 303029280 312498945 333332208 340907940 370369120 374998734 416665260 454543920 499998312 545452704 555553680 624997890 666664416 681815880 749997468 833330520 909087840 937496835 999996624 1111107360 1249995780 1363631760 1499994936 1666661040 1874993670 1999993248 2499991560 2727263520 2999989872 3333322080 3749987340 4999983120 5999979744 7499974680 9999966240 14999949360 29999898720
• Sum of all divisors σ(n): 115500158928
• Sum of proper divisors (its aliquot sum) s(n): 85500260208
• 29999898720 is an abundant number, because the sum of its proper divisors (85500260208) is greater than itself. Its abundance is 55500361488

Bases of 29999898720

• Binary: 11011111100001000100010000001100000₂
• Hexadecimal: 0x6FC222060
• Base-36: DS55Y00

Squares and roots of 29999898720

• 29999898720 squared (29999898720²) is 899993923210257638400
• 29999898720 cubed (29999898720³) is 26999726544923186417106382848000
• The square root of 29999898720 is 173204.7883864647
• The cube root of 29999898720 is 3107.2290092777

Scales and comparisons

• 29,999,898,720 seconds is equal to 953 years, 47 weeks, 1 hour, 12 minutes.
• To count from 1 to 29,999,898,720 would take you about one thousand, nine hundred seven 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 29999898720 cubic inches would be around 258.9 feet tall.

Recreational maths with 29999898720

• 29999898720 backwards is 02789899992
• 29999898720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 29999898720's digits is 72
• More coming soon!