21348732800

Names of 21348732800

• Cardinal: 21348732800 can be written as Twenty-one billion, three hundred forty-eight million, seven hundred thirty-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13487328 × 10¹⁰

Factors of 21348732800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 289

Divisors of 21348732800

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 29 31 32 40 41 50 58 62 64 80 82 100 116 124 128 145 155 160 164 181 200 205 232 248 290 310 320 328 362 400 410 464 496 580 620 640 656 724 725 775 800 820 899 905 928 992 1025 1160 1189 1240 1271 1312 1448 1450 1550 1600 1640 1798 1810 1856 1984 2050 2320 2378 2480 2542 2624 2896 2900 3100 3200 3280 3596 3620 3712 3968 4100 4495 4525 4640 4756 4960 5084 5248 5249 5611 5792 5800 5945 6200 6355 6560 7192 7240 7421 8200 8990 9050 9280 9512 9920 10168 10498 11222 11584 11600 11890 12400 12710 13120 14384 14480 14842 16400 17980 18100 18560 19024 19840 20336 20996 22444 22475 23168 23200 23780 24800 25420 26240 26245 28055 28768 28960 29684 29725 31775 32800 35960 36200 36859 37105 38048 40672 41992 44888 44950 46400 47560 49600 50840 52490 56110 57536 57920 59368 59450 63550 65600 71920 72400 73718 74210 76096 81344 83984 89776 89900 92800 95120 99200 101680 104980 112220 115072 115840 118736 118900 127100 131200 131225 140275 143840 144800 147436 148420 152192 162688 162719 167968 179552 179800 184295 185525 190240 203360 209960 215209 224440 230051 237472 237800 254200 262450 280550 287680 289600 294872 296840 325438 335936 359104 359600 368590 371050 380480 406720 419920 430418 448880 460102 474944 475600 508400 524900 561100 575360 579200 589744 593680 650876 671872 718208 719200 737180 742100 760960 813440 813595 839840 860836 897760 920204 921475 949888 951200 1016800 1049800 1076045 1122200 1150255 1179488 1187360 1301752 1438400 1474360 1484200 1627190 1679680 1721672 1795520 1840408 1842950 1902400 2033600 2099600 2152090 2244400 2300510 2358976 2374720 2603504 2876800 2948720 2968400 3254380 3359360 3443344 3591040 3680816 3685900 3804800 4067200 4067975 4199200 4304180 4488800 4601020 4717952 4749440 5207008 5380225 5751275 5897440 5936800 6508760 6671479 6886688 7361632 7371800 8135950 8398400 8608360 8977600 9202040 10414016 10760450 11502550 11794880 11873600 13017520 13342958 13773376 14723264 14743600 16271900 16796800 17216720 17955200 18404080 20828032 21520900 23005100 23589760 23747200 26035040 26685916 27546752 29446528 29487200 32543800 33357395 34433440 36808160 43041800 46010200 52070080 53371832 58974400 65087600 66714790 68866880 73616320 86083600 92020400 104140160 106743664 117948800 130175200 133429580 137733760 147232640 166786975 172167200 184040800 213487328 260350400 266859160 333573950 344334400 368081600 426974656 520700800 533718320 667147900 688668800 736163200 853949312 1067436640 1334295800 2134873280 2668591600 4269746560 5337183200 10674366400 21348732800
• Sum of all divisors σ(n): 58008787200
• Sum of proper divisors (its aliquot sum) s(n): 36660054400
• 21348732800 is an abundant number, because the sum of its proper divisors (36660054400) is greater than itself. Its abundance is 15311321600

Bases of 21348732800

• Binary: 10011111000011110111100111110000000₂
• Hexadecimal: 0x4F87BCF80
• Base-36: 9T2HFNK

Squares and roots of 21348732800

• 21348732800 squared (21348732800²) is 455768392165795840000
• 21348732800 cubed (21348732800³) is 9730077623033188687511552000000
• The square root of 21348732800 is 146112.0556285483
• The cube root of 21348732800 is 2774.1122740089

Scales and comparisons

• 21,348,732,800 seconds is equal to 678 years, 42 weeks, 5 days, 19 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,348,732,800 would take you about one thousand, three hundred fifty-seven 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 21348732800 cubic inches would be around 231.2 feet tall.

Recreational maths with 21348732800

• 21348732800 backwards is 00823784312
• The number of decimal digits it has is: 11
• The sum of 21348732800's digits is 38
• More coming soon!