21499807140

Names of 21499807140

• Cardinal: 21499807140 can be written as Twenty-one billion, four hundred ninety-nine million, eight hundred seven thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.149980714 × 10¹⁰

Factors of 21499807140

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 327

Divisors of 21499807140

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 29 30 35 36 41 42 45 58 60 63 70 82 84 87 90 105 113 116 123 126 127 140 145 164 174 180 203 205 210 226 246 252 254 261 287 290 315 339 348 369 381 406 410 420 435 452 492 508 522 565 574 580 609 615 630 635 678 738 762 791 812 820 861 870 889 1015 1017 1044 1130 1143 1148 1189 1218 1230 1260 1270 1305 1356 1435 1476 1524 1582 1695 1722 1740 1778 1827 1845 1905 2030 2034 2260 2286 2373 2378 2436 2460 2540 2583 2610 2667 2870 3045 3164 3277 3390 3444 3556 3567 3654 3683 3690 3810 3955 4060 4068 4305 4445 4572 4633 4746 4756 5085 5166 5207 5220 5334 5715 5740 5945 6090 6554 6780 7119 7134 7308 7366 7380 7620 7910 8001 8323 8610 8890 9135 9266 9492 9831 10170 10332 10414 10668 10701 11049 11430 11865 11890 12180 12915 13108 13335 13899 14238 14268 14351 14732 15621 15820 16002 16385 16646 17220 17780 17835 18270 18415 18532 19662 20340 20828 21402 22098 22860 22939 23165 23730 23780 24969 25781 25830 26035 26670 27798 28476 28702 29493 31242 32004 32431 32770 33147 33292 35595 35670 36449 36540 36830 39324 40005 41615 41697 42804 43053 44196 45878 46330 46863 47460 49155 49938 51562 51660 52070 53340 53505 55245 55596 57404 58986 62484 64862 65540 66294 68817 69495 71190 71340 71755 72898 73660 74907 77343 78105 80010 83230 83394 86106 91756 92660 93726 97293 98310 99876 100457 103124 104140 107010 109347 110490 114695 117972 124845 128905 129159 129724 132588 134357 137634 138990 142380 143510 145796 147465 149814 151003 154686 156210 160020 162155 165735 166460 166788 172212 182245 187452 194586 196620 200914 206451 208485 214020 215265 218694 220980 229390 232029 234315 249690 257810 258318 268714 275268 277980 287020 291879 294930 299628 301371 302006 309372 312420 324310 328041 331470 344085 364490 374535 386715 389172 401828 403071 412902 416179 416970 430530 437388 453009 458780 464058 468630 486465 499380 502285 515620 516636 537428 546735 583758 588391 589860 602742 604012 645795 648620 656082 662940 671785 688170 728980 749070 755015 773430 806142 825804 832358 833940 861060 904113 906018 928116 937260 940499 972930 1004570 1032255 1057021 1093470 1160145 1167516 1176782 1205484 1209213 1248537 1291590 1312164 1343570 1359027 1376340 1459395 1498140 1506855 1510030 1546860 1612284 1640205 1664716 1765173 1808226 1812036 1880998 1945860 2009140 2015355 2064510 2080895 2114042 2186940 2265045 2320290 2353564 2418426 2497074 2583180 2687140 2718054 2821497 2913253 2918790 2941955 3013710 3020060 3171063 3280410 3530346 3616452 3745611 3761996 4030710 4118737 4129020 4161790 4228084 4520565 4530090 4640580 4702495 4836852 4994148 5285105 5295519 5436108 5642994 5826506 5837580 5883910 6027420 6046065 6242685 6342126 6560820 6795135 7060692 7491222 8061420 8237474 8323580 8464491 8739759 8825865 9041130 9060180 9404990 9513189 10570210 10591038 11285988 11653012 11767820 12092130 12356211 12485370 12684252 13590270 14107485 14566265 14982444 15855315 16474948 16928982 17063339 17479518 17651730 18082260 18728055 18809980 19026378 20593685 21140420 21182076 24184260 24712422 24970740 26219277 26477595 27180540 28214970 29132530 31710630 33857964 34126678 34959036 35303460 37068633 37456110 38052756 41187370 42322455 43698795 47565945 49424844 51190017 52438554 52955190 56429940 58265060 61781055 63421260 68253356 74137266 74912220 82374740 84644910 85316695 87397590 95131890 102380034 104877108 105910380 119443373 123562110 131096385 148274532 153570051 169289820 170633390 174795180 185343165 190263780 204760068 238886746 247124220 255950085 262192770 307140102 341266780 358330119 370686330 477773492 511900170 524385540 597216865 614280204 716660238 741372660 767850255 1023800340 1074990357 1194433730 1433320476 1535700510 1791650595 2149980714 2388867460 3071401020 3583301190 4299961428 5374951785 7166602380 10749903570 21499807140
• Sum of all divisors σ(n): 80309698560
• Sum of proper divisors (its aliquot sum) s(n): 58809891420
• 21499807140 is an abundant number, because the sum of its proper divisors (58809891420) is greater than itself. Its abundance is 37310084280

Bases of 21499807140

• Binary: 10100000001011111010000010110100100₂
• Hexadecimal: 0x5017D05A4
• Base-36: 9VKFHD0

Squares and roots of 21499807140

• 21499807140 squared (21499807140²) is 462241707057194979600
• 21499807140 cubed (21499807140³) is 9938107553794069010776234344000
• The square root of 21499807140 is 146628.1253375355
• The cube root of 21499807140 is 2780.6405688801

Scales and comparisons

• 21,499,807,140 seconds is equal to 683 years, 32 weeks, 4 days, 8 hours, 39 minutes.
• To count from 1 to 21,499,807,140 would take you about one thousand, three hundred sixty-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 21499807140 cubic inches would be around 231.7 feet tall.

Recreational maths with 21499807140

• 21499807140 backwards is 04170899412
• 21499807140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21499807140's digits is 45
• More coming soon!