21232414720

Names of 21232414720

• Cardinal: 21232414720 can be written as Twenty-one billion, two hundred thirty-two million, four hundred fourteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.123241472 × 10¹⁰

Factors of 21232414720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 325

Divisors of 21232414720

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 307 320 352 440 512 614 640 704 880 1024 1228 1280 1408 1535 1760 2048 2456 2560 2816 3070 3377 3520 4096 4912 5120 5632 6140 6754 7040 9824 10240 11264 12280 13508 14080 16885 19648 20480 22528 24560 27016 28160 33770 39296 45056 49120 54032 56320 67540 78592 94249 98240 108064 112640 135080 157184 188498 196480 216128 225280 270160 314368 376996 392960 432256 471245 540320 628736 753992 785920 864512 942490 1036739 1080640 1257472 1507984 1571840 1729024 1884980 2073478 2161280 3015968 3143680 3458048 3769960 4146956 4322560 5183695 6031936 6287360 6916096 7539920 8293912 8645120 10367390 12063872 13832192 15079840 16587824 17290240 20734780 24127744 30159680 33175648 34580480 41469560 48255488 60319360 66351296 69160960 82939120 96510976 120638720 132702592 165878240 193021952 241277440 265405184 331756480 386043904 482554880 530810368 663512960 965109760 1061620736 1327025920 1930219520 2123241472 2654051840 4246482944 5308103680 10616207360 21232414720
• Sum of all divisors σ(n): 55765179864
• Sum of proper divisors (its aliquot sum) s(n): 34532765144
• 21232414720 is an abundant number, because the sum of its proper divisors (34532765144) is greater than itself. Its abundance is 13300350424

Bases of 21232414720

• Binary: 10011110001100011001111000000000000₂
• Hexadecimal: 0x4F18CF000
• Base-36: 9R58C1S

Squares and roots of 21232414720

• 21232414720 squared (21232414720²) is 450815434842072678400
• 21232414720 cubed (21232414720³) is 9571900274744024812169986048000
• The square root of 21232414720 is 145713.4678744555
• The cube root of 21232414720 is 2769.0648669969

Scales and comparisons

• 21,232,414,720 seconds is equal to 675 years, 6 weeks, 3 days, 12 hours, 58 minutes, 40 seconds.
• To count from 1 to 21,232,414,720 would take you about one thousand, three hundred fifty 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 21232414720 cubic inches would be around 230.8 feet tall.

Recreational maths with 21232414720

• 21232414720 backwards is 02741423212
• The number of decimal digits it has is: 11
• The sum of 21232414720's digits is 28
• More coming soon!