21073123890
21,073,123,890 is an even composite number composed of eight prime numbers multiplied together.
21073123890 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21073123890:
2 × 33 × 5 × 7 × 13 × 31 × 73 × 379
(2 × 3 × 3 × 3 × 5 × 7 × 13 × 31 × 73 × 379)See below for interesting mathematical facts about the number 21073123890 from the Numbermatics database.
Names of 21073123890
- Cardinal: 21073123890 can be written as Twenty-one billion, seventy-three million, one hundred twenty-three thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 2.107312389 × 1010
Factors of 21073123890
Divisors of 21073123890
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 31 35 39 42 45 54 62 63 65 70 73 78 90 91 93 105 117 126 130 135 146 155 182 186 189 195 210 217 219 234 270 273 279 310 315 351 365 378 379 390 403 434 438 455 465 511 546 558 585 630 651 657 702 730 758 806 819 837 910 930 945 949 1022 1085 1095 1137 1170 1209 1302 1314 1365 1395 1533 1638 1674 1755 1890 1895 1898 1953 1971 2015 2170 2190 2263 2274 2418 2457 2555 2653 2730 2790 2821 2847 3066 3255 3285 3411 3510 3627 3790 3906 3942 4030 4095 4185 4526 4599 4745 4914 4927 5110 5306 5642 5685 5694 5859 6045 6510 6570 6643 6789 6822 7254 7665 7959 8190 8370 8463 8541 9198 9490 9765 9854 9855 10233 10881 11315 11370 11718 11749 12090 12285 13265 13286 13578 13797 14105 14235 14781 15330 15841 15918 16926 17055 17082 18135 19530 19710 19929 20367 20466 21762 22630 22995 23498 23877 24570 24635 25389 25623 26530 27594 27667 28210 28470 29295 29419 29562 31682 33215 33945 34110 34489 35247 36270 39795 39858 40734 42315 42705 44343 45990 47523 47754 49270 50778 51165 51246 54405 55334 58590 58745 58838 59787 61101 66430 67890 68978 68985 70494 71631 73905 76167 79205 79590 82243 83001 84630 85410 88257 88686 95046 99645 101835 102330 103467 105741 108810 117490 119385 119574 122202 126945 128115 133029 137970 138335 142569 143262 147095 147810 152334 152737 158410 164486 166002 172445 176235 176514 179361 193669 199290 203670 205933 206934 211482 221715 237615 238770 246729 249003 253890 256230 264771 266058 276670 285138 294190 298935 305474 305505 310401 317223 344890 352470 358155 358722 359671 380835 387338 411215 411866 415005 427707 441285 443430 458211 475230 493458 498006 517335 528705 529542 581007 597870 611010 617799 620802 634446 665145 712845 716310 719342 740187 747009 761670 763685 794313 822430 830010 855414 857677 882570 896805 916422 931203 968345 1029665 1034670 1057410 1069159 1079013 1162014 1233645 1235598 1245015 1323855 1330290 1374633 1425690 1480374 1494018 1527370 1552005 1586115 1588626 1715354 1743021 1793610 1798355 1853397 1862406 1936690 2059330 2138318 2138535 2158026 2220561 2291055 2467290 2490030 2517697 2573031 2647710 2749266 2905035 3088995 3104010 3172230 3207477 3237039 3486042 3596710 3700935 3706794 3735045 3971565 4123899 4277070 4288385 4441122 4582110 4656015 5035394 5146062 5229063 5345795 5395065 5560191 5810070 6003739 6177990 6414954 6474078 6873165 7401870 7470090 7553091 7719093 7943130 8247798 8576770 8715105 9266985 9312030 9622431 9711117 10458126 10691590 10790130 11102805 11120382 11149801 12007478 12588485 12865155 13746330 15106182 15438186 16037385 16185195 17430210 18011217 18533970 19244862 19422234 20619495 22205610 22299602 22659273 23157279 25176970 25730310 26145315 27800955 28867293 30018695 32074770 32370390 33449403 36022434 37765455 38595465 41238990 45318546 46314558 48112155 48555585 52290630 54033651 55601910 55749005 57734586 60037390 66898806 67977819 75530910 77190930 78048607 90056085 96224310 97111170 100348209 108067302 111498010 113296365 115786395 135955638 144336465 156097214 162100953 167247015 180112170 200696418 226592730 231572790 234145821 270168255 288672930 301044627 324201906 334494030 339889095 390243035 468291642 501741045 540336510 602089254 679778190 702437463 780486070 810504765 1003482090 1170729105 1404874926 1505223135 1621009530 2107312389 2341458210 3010446270 3512187315 4214624778 7024374630 10536561945 21073123890
- Sum of all divisors σ(n): 72563097600
- Sum of proper divisors (its aliquot sum) s(n): 51489973710
- 21073123890 is an abundant number, because the sum of its proper divisors (51489973710) is greater than itself. Its abundance is 30416849820
Bases of 21073123890
- Binary: 100111010000000111001011010001100102
- Hexadecimal: 0x4E80E5A32
- Base-36: 9OIE6GI
Squares and roots of 21073123890
- 21073123890 squared (210731238902) is 444076550483288732100
- 21073123890 cubed (210731238903) is 9358080164978182826184319869000
-
The
square root of 21073123890 is 145165.8495996907 -
The
cube root of 21073123890 is 2762.1227407809
Scales and comparisons
How big is 21073123890?- 21,073,123,890 seconds is equal to 670 years, 3 weeks, 21 hours, 31 minutes, 30 seconds.
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To count from 1 to 21,073,123,890 would take you about one thousand, three hundred forty 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 21073123890 cubic inches would be around 230.2 feet tall.
Recreational maths with 21073123890
- 21073123890 backwards is 09832137012
- The number of decimal digits it has is: 11
- The sum of 21073123890's digits is 36
- More coming soon!
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