21445444332

Names of 21445444332

• Cardinal: 21445444332 can be written as Twenty-one billion, four hundred forty-five million, four hundred forty-four thousand, three hundred thirty-two.

Scientific notation

• Scientific notation: 2.1445444332 × 10¹⁰

Factors of 21445444332

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 50530

Divisors of 21445444332

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 101 108 117 156 162 202 234 303 324 351 404 468 606 702 909 1053 1212 1313 1404 1818 2106 2626 2727 3636 3939 4212 5252 5454 7878 8181 10908 11817 15756 16362 23634 32724 35451 47268 50411 70902 100822 106353 141804 151233 201644 212706 302466 425412 453699 604932 655343 907398 1310686 1361097 1814796 1966029 2621372 2722194 3932058 4083291 5091511 5444388 5898087 7864116 8166582 10183022 11796174 15274533 16333164 17694261 20366044 23592348 30549066 35388522 45823599 53082783 61098132 66189643 70777044 91647198 106165566 132379286 137470797 183294396 198568929 212331132 264758572 274941594 397137858 412412391 549883188 595706787 794275716 824824782 1191413574 1649649564 1787120361 2382827148 3574240722 5361361083 7148481444 10722722166 21445444332
• Sum of all divisors σ(n): 60974120592
• Sum of proper divisors (its aliquot sum) s(n): 39528676260
• 21445444332 is an abundant number, because the sum of its proper divisors (39528676260) is greater than itself. Its abundance is 18083231928

Bases of 21445444332

• Binary: 10011111110001111111000001011101100₂
• Hexadecimal: 0x4FE3F82EC
• Base-36: 9UO2AR0

Squares and roots of 21445444332

• 21445444332 squared (21445444332²) is 459907082596910926224
• 21445444332 cubed (21445444332³) is 9862911737724579263499350962368
• The square root of 21445444332 is 146442.6315387701
• The cube root of 21445444332 is 2778.2949506999

Scales and comparisons

• 21,445,444,332 seconds is equal to 681 years, 46 weeks, 5 days, 3 hours, 52 minutes, 12 seconds.
• To count from 1 to 21,445,444,332 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 21445444332 cubic inches would be around 231.5 feet tall.

Recreational maths with 21445444332

• 21445444332 backwards is 23344454412
• 21445444332 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21445444332's digits is 36
• More coming soon!