21299536440

Names of 21299536440

• Cardinal: 21299536440 can be written as Twenty-one billion, two hundred ninety-nine million, five hundred thirty-six thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.129953644 × 10¹⁰

Factors of 21299536440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5587

Divisors of 21299536440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 27 28 30 35 36 39 40 42 45 52 54 56 60 63 65 70 72 78 81 84 90 91 104 105 108 117 120 126 130 135 140 156 162 168 169 180 182 189 195 210 216 234 252 260 270 273 280 312 315 324 338 351 360 364 378 390 405 420 455 468 504 507 520 540 546 567 585 630 648 676 702 728 756 780 810 819 840 845 910 936 945 1014 1053 1080 1092 1134 1170 1183 1260 1352 1365 1404 1512 1521 1560 1620 1638 1690 1755 1820 1890 2028 2106 2184 2268 2340 2366 2457 2520 2535 2730 2808 2835 3042 3240 3276 3380 3510 3549 3640 3780 4056 4095 4212 4536 4563 4680 4732 4914 5070 5265 5460 5557 5670 5915 6084 6552 6760 7020 7098 7371 7560 7605 8190 8424 9126 9464 9828 10140 10530 10647 10920 11114 11340 11830 12168 12285 13689 14040 14196 14742 15210 16380 16671 17745 18252 19656 20280 21060 21294 22228 22680 22815 23660 24570 27378 27785 28392 29484 30420 31941 32760 33342 35490 36504 36855 38899 42120 42588 44456 45630 47320 49140 50013 53235 54756 55570 58968 60840 63882 66684 68445 70980 72241 73710 77798 83355 85176 91260 95823 98280 100026 106470 109512 111140 116697 127764 133368 136890 141960 144482 147420 150039 155596 159705 166710 182520 191646 194495 200052 212940 216723 222280 233394 250065 255528 273780 288964 294840 300078 311192 319410 333420 350091 361205 383292 388990 400104 425880 433446 450117 466788 479115 500130 505687 547560 577928 583485 600156 638820 650169 666840 700182 722410 750195 766584 777980 866892 900234 933576 939133 958230 1000260 1011374 1050273 1083615 1166970 1200312 1277640 1300338 1400364 1444820 1500390 1517061 1555960 1733784 1750455 1800468 1878266 1916460 1950507 2000520 2022748 2100546 2167230 2250585 2333940 2528435 2600676 2800728 2817399 2889640 3000780 3034122 3150819 3250845 3500910 3600936 3756532 3832920 3901014 4045496 4201092 4334460 4501170 4551183 4667880 4695665 5056870 5201352 5251365 5634798 5851521 6001560 6068244 6301638 6501690 6573931 7001820 7513064 7585305 7802028 8402184 8452197 8668920 9002340 9102366 9391330 9752535 10113740 10502730 11269596 11703042 12136488 12603276 13003380 13147862 13653549 14003640 14086995 15170610 15604056 15754095 16904394 18004680 18204732 18782660 19505070 19721793 20227480 21005460 22539192 22755915 23406084 25206552 25356591 26006760 26295724 27307098 28173990 29257605 30341220 31508190 32869655 33808788 36409464 37565320 39010140 39443586 40960647 42010920 42260985 45511830 46812168 50713182 52591448 54614196 56347980 58515210 59165379 60682440 63016380 65739310 67617576 68267745 76069773 78020280 78887172 81921294 84521970 91023660 98608965 101426364 109228392 112695960 117030420 118330758 126032760 126782955 131478620 136535490 152139546 157774344 163842588 169043940 177496137 182047320 197217930 202852728 204803235 234060840 236661516 253565910 262957240 273070980 295826895 304279092 327685176 338087880 354992274 380348865 394435860 409606470 473323032 507131820 532488411 546141960 591653790 608558184 709984548 760697730 788871720 819212940 887480685 1014263640 1064976822 1183307580 1419969096 1521395460 1638425880 1774961370 2129953644 2366615160 2662442055 3042790920 3549922740 4259907288 5324884110 7099845480 10649768220 21299536440
• Sum of all divisors σ(n): 88610971680
• Sum of proper divisors (its aliquot sum) s(n): 67311435240
• 21299536440 is an abundant number, because the sum of its proper divisors (67311435240) is greater than itself. Its abundance is 46011898800

Bases of 21299536440

• Binary: 10011110101100011010010001000111000₂
• Hexadecimal: 0x4F58D2238
• Base-36: 9S96ZI0

Squares and roots of 21299536440

• 21299536440 squared (21299536440²) is 453670252558887873600
• 21299536440 cubed (21299536440³) is 9662966076122035509617313984000
• The square root of 21299536440 is 145943.6070542317
• The cube root of 21299536440 is 2771.9797322407

Scales and comparisons

• 21,299,536,440 seconds is equal to 677 years, 13 weeks, 3 days, 9 hours, 54 minutes.
• To count from 1 to 21,299,536,440 would take you about one thousand, three hundred fifty-four 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 21299536440 cubic inches would be around 231 feet tall.

Recreational maths with 21299536440

• 21299536440 backwards is 04463599212
• 21299536440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21299536440's digits is 45
• More coming soon!