21337145648

Names of 21337145648

• Cardinal: 21337145648 can be written as Twenty-one billion, three hundred thirty-seven million, one hundred forty-five thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1337145648 × 10¹⁰

Factors of 21337145648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10846

Divisors of 21337145648

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 49 52 56 91 98 104 112 182 196 197 208 364 392 394 637 728 784 788 1274 1379 1456 1576 2548 2561 2758 3152 5096 5122 5516 9653 10192 10244 10627 11032 17927 19306 20488 21254 22064 35854 38612 40976 42508 71708 74389 77224 85016 125489 138151 143416 148778 154448 170032 250978 276302 286832 297556 501956 520723 552604 595112 967057 1003912 1041446 1105208 1190224 1934114 2007824 2082892 2093519 2210416 3868228 4165784 4187038 6769399 7736456 8331568 8374076 13538798 14654633 15472912 16748152 27077596 27215747 29309266 33496304 54155192 54431494 58618532 102582431 108310384 108862988 117237064 190510229 205164862 217725976 234474128 381020458 410329724 435451952 762040916 820659448 1333571603 1524081832 1641318896 2667143206 3048163664 5334286412 10668572824 21337145648
• Sum of all divisors σ(n): 52057261872
• Sum of proper divisors (its aliquot sum) s(n): 30720116224
• 21337145648 is an abundant number, because the sum of its proper divisors (30720116224) is greater than itself. Its abundance is 9382970576

Bases of 21337145648

• Binary: 10011110111110010110000000100110000₂
• Hexadecimal: 0x4F7CB0130
• Base-36: 9SVL2Y8

Squares and roots of 21337145648

• 21337145648 squared (21337145648²) is 455273784403965339904
• 21337145648 cubed (21337145648³) is 9714243047543559326275474337792
• The square root of 21337145648 is 146072.3986521753
• The cube root of 21337145648 is 2773.6102945223

Scales and comparisons

• 21,337,145,648 seconds is equal to 678 years, 23 weeks, 4 days, 16 hours, 54 minutes, 8 seconds.
• To count from 1 to 21,337,145,648 would take you about one thousand, three hundred fifty-six 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 21337145648 cubic inches would be around 231.1 feet tall.

Recreational maths with 21337145648

• 21337145648 backwards is 84654173312
• The number of decimal digits it has is: 11
• The sum of 21337145648's digits is 44
• More coming soon!