21128335360

Names of 21128335360

• Cardinal: 21128335360 can be written as Twenty-one billion, one hundred twenty-eight million, three hundred thirty-five thousand, three hundred sixty.

Scientific notation

• Scientific notation: 2.112833536 × 10¹⁰

Factors of 21128335360

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 93805

Divisors of 21128335360

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 512 640 704 880 1024 1280 1408 1760 2048 2560 2816 3520 4096 5120 5632 7040 10240 11264 14080 20480 22528 28160 45056 56320 93787 112640 187574 225280 375148 468935 750296 937870 1031657 1500592 1875740 2063314 3001184 3751480 4126628 5158285 6002368 7502960 8253256 10316570 12004736 15005920 16506512 20633140 24009472 30011840 33013024 41266280 48018944 60023680 66026048 82532560 96037888 120047360 132052096 165065120 192075776 240094720 264104192 330130240 384151552 480189440 528208384 660260480 960378880 1056416768 1320520960 1920757760 2112833536 2641041920 4225667072 5282083840 10564167680 21128335360
• Sum of all divisors σ(n): 55311660576
• Sum of proper divisors (its aliquot sum) s(n): 34183325216
• 21128335360 is an abundant number, because the sum of its proper divisors (34183325216) is greater than itself. Its abundance is 13054989856

Bases of 21128335360

• Binary: 10011101011010110001101000000000000₂
• Hexadecimal: 0x4EB58D000
• Base-36: 9PF9JWG

Squares and roots of 21128335360

• 21128335360 squared (21128335360²) is 446406555084626329600
• 21128335360 cubed (21128335360³) is 9431827402730298272074694656000
• The square root of 21128335360 is 145355.8920718387
• The cube root of 21128335360 is 2764.5328860027

Scales and comparisons

• 21,128,335,360 seconds is equal to 671 years, 42 weeks, 2 days, 22 hours, 2 minutes, 40 seconds.
• To count from 1 to 21,128,335,360 would take you about one thousand, three hundred forty-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 21128335360 cubic inches would be around 230.4 feet tall.

Recreational maths with 21128335360

• 21128335360 backwards is 06353382112
• The number of decimal digits it has is: 11
• The sum of 21128335360's digits is 34
• More coming soon!