21012500520
21,012,500,520 is an even composite number composed of seven prime numbers multiplied together.
21012500520 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21012500520:
23 × 33 × 5 × 11 × 19 × 127 × 733
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 19 × 127 × 733)See below for interesting mathematical facts about the number 21012500520 from the Numbermatics database.
Names of 21012500520
- Cardinal: 21012500520 can be written as Twenty-one billion, twelve million, five hundred thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.101250052 × 1010
Factors of 21012500520
Divisors of 21012500520
- Number of divisors d(n): 512
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 18 19 20 22 24 27 30 33 36 38 40 44 45 54 55 57 60 66 72 76 88 90 95 99 108 110 114 120 127 132 135 152 165 171 180 190 198 209 216 220 228 254 264 270 285 297 330 342 360 380 381 396 418 440 456 495 508 513 540 570 594 627 635 660 684 733 760 762 792 836 855 990 1016 1026 1045 1080 1140 1143 1188 1254 1270 1320 1368 1397 1466 1485 1524 1672 1710 1881 1905 1980 2052 2090 2199 2280 2286 2376 2413 2508 2540 2565 2794 2932 2970 3048 3135 3420 3429 3665 3762 3810 3960 4104 4180 4191 4398 4572 4826 5016 5080 5130 5588 5643 5715 5864 5940 6270 6597 6840 6858 6985 7239 7330 7524 7620 8063 8360 8382 8796 9144 9405 9652 10260 10995 11176 11286 11430 11880 12065 12540 12573 13194 13716 13927 13970 14478 14660 15048 15240 16126 16764 17145 17592 18810 19304 19791 20520 20955 21717 21990 22572 22860 24130 24189 25080 25146 26388 26543 27432 27854 27940 28215 28956 29320 32252 32985 33528 34290 36195 37620 37719 39582 40315 41781 41910 43434 43980 45144 45720 48260 48378 50292 52776 53086 55708 55880 56430 57912 62865 64504 65151 65970 68580 69635 72390 72567 75240 75438 79164 79629 80630 83562 83820 86868 87960 93091 96520 96756 98955 100584 106172 108585 111416 112860 120945 125343 125730 130302 131940 132715 137160 139270 144780 145134 150876 153197 158328 159258 161260 167124 167640 173736 186182 188595 193512 197910 208905 212344 217170 217701 225720 238887 241890 250686 251460 260604 263880 265430 278540 279273 289560 290268 301752 306394 318516 322520 325755 334248 362835 372364 376029 377190 395820 398145 417810 434340 435402 459591 465455 477774 483780 501372 502920 521208 530860 557080 558546 580536 612788 626715 637032 651510 716661 725670 744728 752058 754380 765985 791640 796290 835620 837819 868680 870804 919182 930910 955548 967560 1002744 1024001 1061720 1088505 1117092 1194435 1225576 1253430 1303020 1378773 1396365 1433322 1451340 1504116 1508760 1531970 1592580 1671240 1675638 1741608 1768729 1838364 1861820 1880145 1911096 2048002 2177010 2234184 2297955 2388870 2506860 2513457 2606040 2757546 2792730 2866644 2902680 3008232 3063940 3072003 3185160 3351276 3537458 3583305 3676728 3723640 3760290 4096004 4136319 4189095 4354020 4595910 4777740 5013720 5026914 5120005 5306187 5515092 5585460 5733288 6127880 6144006 6702552 6893865 7074916 7166610 7520580 8192008 8272638 8378190 8708040 8843645 9191820 9216009 9555480 10053828 10240010 10612374 11030184 11170920 12288012 12567285 13787730 14149832 14333220 15041160 15360015 15918561 16545276 16756380 17687290 18383640 18432018 19456019 20107656 20480020 20681595 21224748 24576024 25134570 26530935 27575460 27648027 28666440 30720030 31837122 33090552 33512760 35374580 36864036 38912038 40960040 41363190 42449496 46080045 47755683 50269140 53061870 55150920 55296054 58368057 61440060 63674244 70749160 73728072 77824076 79592805 82726380 92160090 95511366 97280095 100538280 106123740 110592108 116736114 122880120 127348488 138240135 155648152 159185610 165452760 175104171 184320180 191022732 194560190 212247480 221184216 233472228 238778415 276480270 291840285 318371220 350208342 368640360 382045464 389120380 466944456 477556830 525312513 552960540 583680570 636742440 700416684 778240760 875520855 955113660 1050625026 1105921080 1167361140 1400833368 1751041710 1910227320 2101250052 2334722280 2626562565 3502083420 4202500104 5253125130 7004166840 10506250260 21012500520
- Sum of all divisors σ(n): 81174528000
- Sum of proper divisors (its aliquot sum) s(n): 60162027480
- 21012500520 is an abundant number, because the sum of its proper divisors (60162027480) is greater than itself. Its abundance is 39149526960
Bases of 21012500520
- Binary: 100111001000111000101010000001010002
- Hexadecimal: 0x4E4715028
- Base-36: 9NIAT60
Squares and roots of 21012500520
- 21012500520 squared (210125005202) is 441525178103000270400
- 21012500520 cubed (210125005203) is 9277548034482385795340140608000
-
The
square root of 21012500520 is 144956.8919368789 -
The
cube root of 21012500520 is 2759.4714961583
Scales and comparisons
How big is 21012500520?- 21,012,500,520 seconds is equal to 668 years, 6 weeks, 6 days, 5 hours, 42 minutes.
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To count from 1 to 21,012,500,520 would take you about one thousand, three hundred thirty-six 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 21012500520 cubic inches would be around 230 feet tall.
Recreational maths with 21012500520
- 21012500520 backwards is 02500521012
- 21012500520 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21012500520's digits is 18
- More coming soon!
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