21319753680

Names of 21319753680

• Cardinal: 21319753680 can be written as Twenty-one billion, three hundred nineteen million, seven hundred fifty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.131975368 × 10¹⁰

Factors of 21319753680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 433

Divisors of 21319753680

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 36 40 45 48 58 60 72 80 87 90 116 120 137 144 145 174 180 232 240 257 261 274 290 348 360 411 435 464 514 522 548 580 685 696 720 771 822 841 870 1028 1044 1096 1160 1233 1285 1305 1370 1392 1542 1644 1682 1740 2055 2056 2088 2192 2313 2320 2466 2523 2570 2610 2740 3084 3288 3364 3480 3855 3973 4110 4112 4176 4205 4626 4932 5046 5140 5220 5480 6165 6168 6576 6728 6960 7453 7569 7710 7946 8220 8410 9252 9864 10092 10280 10440 10960 11565 11919 12330 12336 12615 13456 14906 15138 15420 15892 16440 16820 18504 19728 19865 20184 20560 20880 22359 23130 23838 24660 25230 29812 30276 30840 31784 32880 33640 35209 35757 37008 37265 37845 39730 40368 44718 46260 47676 49320 50460 59595 59624 60552 61680 63568 67077 67280 70418 71514 74530 75690 79460 89436 92520 95352 98640 100920 105627 111795 115217 119190 119248 121104 134154 140836 143028 149060 151380 158920 176045 178785 178872 185040 190704 201840 211254 216137 223590 230434 238380 268308 281672 286056 298120 302760 316881 317840 335385 345651 352090 357570 357744 422508 432274 447180 460868 476760 528135 536616 563344 572112 576085 596240 605520 633762 648411 670770 691302 704180 715140 845016 864548 894360 921736 953520 1021061 1036953 1056270 1073232 1080685 1152170 1267524 1296822 1341540 1382604 1408360 1430280 1584405 1690032 1728255 1729096 1788720 1843472 1945233 2042122 2073906 2112540 2161370 2304340 2535048 2593644 2683080 2765208 2816720 2860560 3063183 3168810 3242055 3456510 3458192 3890466 4084244 4147812 4225080 4322740 4608680 5070096 5105305 5184765 5187288 5366160 5530416 6126366 6337620 6484110 6913020 7780932 8168488 8295624 8450160 8645480 9189549 9217360 9726165 10210610 10369530 10374576 12252732 12675240 12968220 13826040 15315915 15561864 16336976 16591248 17290960 18379098 19452330 20421220 20739060 24505464 25350480 25936440 27652080 29610769 30631830 31123728 36758196 38904660 40842440 41478120 45947745 49010928 51872880 59221538 61263660 73516392 77809320 81684880 82956240 88832307 91895490 118443076 122527320 147032784 148053845 155618640 177664614 183790980 236886152 245054640 266496921 296107690 355329228 367581960 444161535 473772304 532993842 592215380 710658456 735163920 888323070 1065987684 1184430760 1332484605 1421316912 1776646140 2131975368 2368861520 2664969210 3553292280 4263950736 5329938420 7106584560 10659876840 21319753680
• Sum of all divisors σ(n): 74984801112
• Sum of proper divisors (its aliquot sum) s(n): 53665047432
• 21319753680 is an abundant number, because the sum of its proper divisors (53665047432) is greater than itself. Its abundance is 32345293752

Bases of 21319753680

• Binary: 10011110110110000011001111111010000₂
• Hexadecimal: 0x4F6C19FD0
• Base-36: 9SL8B80

Squares and roots of 21319753680

• 21319753680 squared (21319753680²) is 454531896975873542400
• 21319753680 cubed (21319753680³) is 9690508083228760826797036032000
• The square root of 21319753680 is 146012.8545026087
• The cube root of 21319753680 is 2772.8564971357

Scales and comparisons

• 21,319,753,680 seconds is equal to 677 years, 46 weeks, 6 days, 9 hours, 48 minutes.
• To count from 1 to 21,319,753,680 would take you about one thousand, three hundred fifty-five 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 21319753680 cubic inches would be around 231.1 feet tall.

Recreational maths with 21319753680

• 21319753680 backwards is 08635791312
• 21319753680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21319753680's digits is 45
• More coming soon!