21150957120

Names of 21150957120

• Cardinal: 21150957120 can be written as Twenty-one billion, one hundred fifty million, nine hundred fifty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.115095712 × 10¹⁰

Factors of 21150957120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 94802

Divisors of 21150957120

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 233 240 320 466 480 699 932 960 1165 1398 1864 2330 2796 3495 3728 4660 5592 6990 7456 9320 11184 13980 14912 18640 22368 27960 37280 44736 55920 74560 94559 111840 189118 223680 283677 378236 472795 567354 756472 945590 1134708 1418385 1512944 1891180 2269416 2836770 3025888 3782360 4538832 5673540 6051776 7564720 9077664 11347080 15129440 18155328 22032247 22694160 30258880 44064494 45388320 66096741 88128988 90776640 110161235 132193482 176257976 220322470 264386964 330483705 352515952 440644940 528773928 660967410 705031904 881289880 1057547856 1321934820 1410063808 1762579760 2115095712 2643869640 3525159520 4230191424 5287739280 7050319040 10575478560 21150957120
• Sum of all divisors σ(n): 67443217920
• Sum of proper divisors (its aliquot sum) s(n): 46292260800
• 21150957120 is an abundant number, because the sum of its proper divisors (46292260800) is greater than itself. Its abundance is 25141303680

Bases of 21150957120

• Binary: 10011101100101100011111111001000000₂
• Hexadecimal: 0x4ECB1FE40
• Base-36: 9PSQEYO

Squares and roots of 21150957120

• 21150957120 squared (21150957120²) is 447362987092078694400
• 21150957120 cubed (21150957120³) is 9462155357059669956919984128000
• The square root of 21150957120 is 145433.6863316061
• The cube root of 21150957120 is 2765.5191806629

Scales and comparisons

• 21,150,957,120 seconds is equal to 672 years, 27 weeks, 5 days, 17 hours, 52 minutes.
• To count from 1 to 21,150,957,120 would take you about one thousand, three hundred forty-five 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 21150957120 cubic inches would be around 230.5 feet tall.

Recreational maths with 21150957120

• 21150957120 backwards is 02175905112
• The number of decimal digits it has is: 11
• The sum of 21150957120's digits is 33
• More coming soon!