21550240000

Names of 21550240000

• Cardinal: 21550240000 can be written as Twenty-one billion, five hundred fifty million, two hundred forty thousand.

Scientific notation

• Scientific notation: 2.155024 × 10¹⁰

Factors of 21550240000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 374

Divisors of 21550240000

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 367 400 500 625 640 734 800 1000 1250 1280 1468 1600 1835 2000 2500 2936 3200 3670 4000 5000 5872 6400 7340 8000 9175 10000 11744 14680 16000 18350 20000 23488 29360 32000 36700 40000 45875 46976 58720 73400 80000 91750 93952 117440 134689 146800 160000 183500 229375 234880 269378 293600 367000 458750 469760 538756 587200 673445 734000 917500 1077512 1174400 1346890 1468000 1835000 2155024 2348800 2693780 2936000 3367225 3670000 4310048 5387560 5872000 6734450 7340000 8620096 10775120 11744000 13468900 14680000 16836125 17240192 21550240 26937800 29360000 33672250 34480384 43100480 53875600 58720000 67344500 84180625 86200960 107751200 134689000 168361250 172401920 215502400 269378000 336722500 431004800 538756000 673445000 862009600 1077512000 1346890000 2155024000 2693780000 4310048000 5387560000 10775120000 21550240000
• Sum of all divisors σ(n): 53900033187
• Sum of proper divisors (its aliquot sum) s(n): 32349793187
• 21550240000 is an abundant number, because the sum of its proper divisors (32349793187) is greater than itself. Its abundance is 10799553187

Bases of 21550240000

• Binary: 10100000100011111101001000100000000₂
• Hexadecimal: 0x5047E9100
• Base-36: 9WEGFLS

Squares and roots of 21550240000

• 21550240000 squared (21550240000²) is 464412844057600000000
• 21550240000 cubed (21550240000³) is 10008208248523853824000000000000
• 21550240000 is a perfect square number. Its square root is 146800
• The cube root of 21550240000 is 2782.8130867755

Scales and comparisons

• 21,550,240,000 seconds is equal to 685 years, 12 weeks, 1 hour, 46 minutes, 40 seconds.
• To count from 1 to 21,550,240,000 would take you about one thousand, three hundred seventy 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 21550240000 cubic inches would be around 231.9 feet tall.

Recreational maths with 21550240000

• 21550240000 backwards is 00004205512
• The number of decimal digits it has is: 11
• The sum of 21550240000's digits is 19
• More coming soon!