30091820720

Names of 30091820720

• Cardinal: 30091820720 can be written as Thirty billion, ninety-one million, eight hundred twenty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.009182072 × 10¹⁰

Factors of 30091820720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 327

Divisors of 30091820720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 307 520 614 1040 1228 1535 2456 3070 3991 4912 6140 7982 12280 15964 19955 24560 31928 39910 63856 79820 94249 159640 188498 319280 376996 471245 753992 942490 1225237 1507984 1884980 2450474 3769960 4900948 6126185 7539920 9801896 12252370 19603792 24504740 28934443 49009480 57868886 98018960 115737772 144672215 231475544 289344430 376147759 462951088 578688860 752295518 1157377720 1504591036 1880738795 2314755440 3009182072 3761477590 6018364144 7522955180 15045910360 30091820720
• Sum of all divisors σ(n): 75591516000
• Sum of proper divisors (its aliquot sum) s(n): 45499695280
• 30091820720 is an abundant number, because the sum of its proper divisors (45499695280) is greater than itself. Its abundance is 15407874560

Bases of 30091820720

• Binary: 11100000001100111001011111010110000₂
• Hexadecimal: 0x7019CBEB0
• Base-36: DTNW5GW

Squares and roots of 30091820720

• 30091820720 squared (30091820720²) is 905517674244621318400
• 30091820720 cubed (30091820720³) is 27248675512160506137582837248000
• The square root of 30091820720 is 173469.9418343131
• The cube root of 30091820720 is 3110.3993697281

Scales and comparisons

• 30,091,820,720 seconds is equal to 956 years, 42 weeks, 6 days, 23 hours, 5 minutes, 20 seconds.
• To count from 1 to 30,091,820,720 would take you about one thousand, nine hundred thirteen 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 30091820720 cubic inches would be around 259.2 feet tall.

Recreational maths with 30091820720

• 30091820720 backwards is 02702819003
• The number of decimal digits it has is: 11
• The sum of 30091820720's digits is 32
• More coming soon!