21432999552

Names of 21432999552

• Cardinal: 21432999552 can be written as Twenty-one billion, four hundred thirty-two million, nine hundred ninety-nine thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 2.1432999552 × 10¹⁰

Factors of 21432999552

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 23282

Divisors of 21432999552

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 127 128 152 192 228 254 304 381 384 456 508 608 762 912 1016 1216 1524 1824 2032 2413 2432 3048 3648 4064 4826 6096 7239 7296 8128 9652 12192 14478 16256 19304 23131 24384 28956 38608 46262 48768 57912 69393 77216 92524 115824 138786 154432 185048 231648 277572 308864 370096 439489 463296 555144 740192 878978 926592 1110288 1318467 1480384 1757956 2220576 2636934 2937637 2960768 3515912 4441152 5273868 5875274 7031824 8812911 8882304 10547736 11750548 14063648 17625822 21095472 23501096 28127296 35251644 42190944 47002192 55815103 56254592 70503288 84381888 94004384 111630206 141006576 167445309 168763776 188008768 223260412 282013152 334890618 376017536 446520824 564026304 669781236 893041648 1128052608 1339562472 1786083296 2679124944 3572166592 5358249888 7144333184 10716499776 21432999552
• Sum of all divisors σ(n): 60402278400
• Sum of proper divisors (its aliquot sum) s(n): 38969278848
• 21432999552 is an abundant number, because the sum of its proper divisors (38969278848) is greater than itself. Its abundance is 17536279296

Bases of 21432999552

• Binary: 10011111101100000011001111010000000₂
• Hexadecimal: 0x4FD819E80
• Base-36: 9UGNKAO

Squares and roots of 21432999552

• 21432999552 squared (21432999552²) is 459373469796032200704
• 21432999552 cubed (21432999552³) is 9845751372339043689066406084608
• The square root of 21432999552 is 146400.1350819049
• The cube root of 21432999552 is 2777.7574323493

Scales and comparisons

• 21,432,999,552 seconds is equal to 681 years, 26 weeks, 1 day, 2 hours, 59 minutes, 12 seconds.
• To count from 1 to 21,432,999,552 would take you about one thousand, three hundred sixty-three 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 21432999552 cubic inches would be around 231.5 feet tall.

Recreational maths with 21432999552

• 21432999552 backwards is 25599923412
• The number of decimal digits it has is: 11
• The sum of 21432999552's digits is 51
• More coming soon!