642139667820
642,139,667,820 is an even composite number composed of six prime numbers multiplied together.
What does the number 642139667820 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 540 divisors.
642139667820 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred forty divisors.
Prime factorization of 642139667820:
22 × 34 × 5 × 72 × 1372 × 431
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 137 × 137 × 431)See below for interesting mathematical facts about the number 642139667820 from the Numbermatics database.
Names of 642139667820
- Cardinal: 642139667820 can be written as Six hundred forty-two billion, one hundred thirty-nine million, six hundred sixty-seven thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 6.4213966782 × 1011
Factors of 642139667820
Divisors of 642139667820
- Number of divisors d(n): 540
-
Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 54 60 63 70 81 84 90 98 105 108 126 135 137 140 147 162 180 189 196 210 245 252 270 274 294 315 324 378 405 411 420 431 441 490 540 548 567 588 630 685 735 756 810 822 862 882 945 959 980 1134 1233 1260 1293 1323 1370 1470 1620 1644 1724 1764 1890 1918 2055 2155 2205 2268 2466 2586 2646 2740 2835 2877 2940 3017 3699 3780 3836 3879 3969 4110 4310 4410 4795 4932 5172 5292 5670 5754 6034 6165 6465 6615 6713 7398 7758 7938 8220 8620 8631 8820 9051 9590 11097 11340 11508 11637 12068 12330 12930 13230 13426 14385 14796 15085 15516 15876 17262 18102 18495 18769 19180 19395 19845 20139 21119 22194 23274 24660 25860 25893 26460 26852 27153 28770 30170 33565 34524 34911 36204 36990 37538 38790 39690 40278 42238 43155 44388 45255 46548 51786 54306 55485 56307 57540 58185 59047 60340 60417 63357 67130 69822 73980 75076 77580 77679 79380 80556 81459 84476 86310 90510 93845 100695 103572 105595 108612 110970 112614 116370 118094 120834 126714 129465 131383 134260 135765 139644 155358 162918 168921 172620 174555 177141 181020 181251 187690 190071 201390 211190 221940 225228 232740 236188 241668 244377 253428 258930 262766 271530 281535 295235 302085 310716 316785 325836 337842 349110 354282 362502 375380 380142 388395 394149 402780 407295 413329 422380 488754 506763 517860 525532 531423 543060 543753 563070 570213 590470 604170 633570 656915 675684 698220 708564 725004 760284 776790 788298 814590 826658 844605 885705 906255 919681 950355 977508 1013526 1062846 1087506 1126140 1140426 1180940 1182447 1208340 1221885 1239987 1267140 1313830 1520289 1553580 1576596 1594269 1629180 1653316 1689210 1710639 1771410 1812510 1839362 1900710 1970745 2027052 2066645 2125692 2175012 2280852 2364894 2443770 2479974 2533815 2627660 2657115 2718765 2759043 2851065 2893303 3040578 3188538 3378420 3421278 3542820 3547341 3625020 3678724 3719961 3801420 3941490 4133290 4598405 4729788 4782807 4887540 4959948 5067630 5314230 5437530 5518086 5702130 5786606 5912235 6081156 6199935 6377076 6842556 7094682 7439922 7601445 7882980 7971345 8089439 8266580 8277129 8553195 8679909 9196810 9565614 10135260 10628460 10642023 10875060 11036172 11159883 11404260 11573212 11824470 12399870 13795215 14189364 14466515 14879844 15202890 15942690 16178878 16554258 17106390 17359818 17736705 18393620 18599805 19131228 21284046 22319766 23648940 23914035 24268317 24799740 24831387 26039727 27590430 28933030 30405780 31885380 32357756 33108516 33479649 34212780 34719636 35473410 37199610 40447195 41385645 42568092 43399545 44639532 47828070 48536634 49662774 52079454 53210115 55180860 55799415 56626073 57866060 66959298 70946820 72804951 74399220 74494161 78119181 80894390 82771290 86799090 95656140 97073268 99325548 104158908 106420230 111598830 113252146 121341585 124156935 130198635 133918596 145609902 148988322 156238362 161788780 165542580 167398245 169878219 173598180 212840460 218414853 223197660 226504292 234357543 242683170 248313870 260397270 283130365 291219804 297976644 312476724 334796490 339756438 364024755 372470805 390595905 396382511 436829706 468715086 485366340 496627740 509634657 520794540 566260730 655244559 669592980 679512876 728049510 744941610 781191810 792765022 849391095 873659412 937430172 1019269314 1092074265 1132521460 1171787715 1189147533 1310489118 1456099020 1489883220 1528903971 1562383620 1585530044 1698782190 1981912555 2038538628 2184148530 2343575430 2378295066 2548173285 2620978236 3057807942 3276222795 3397564380 3567442599 3963825110 4368297060 4586711913 4687150860 4756590132 5096346570 5945737665 6115615884 6552445590 7134885198 7644519855 7927650220 9173423826 10192693140 10702327797 11891475330 13104891180 14269770396 15289039710 17837212995 18346847652 21404655594 22933559565 23782950660 30578079420 32106983391 35674425990 42809311188 45867119130 53511638985 64213966782 71348851980 91734238260 107023277970 128427933564 160534916955 214046555940 321069833910 642139667820
- Sum of all divisors σ(n): 2366006249376
- Sum of proper divisors (its aliquot sum) s(n): 1723866581556
- 642139667820 is an abundant number, because the sum of its proper divisors (1723866581556) is greater than itself. Its abundance is 1081726913736
Bases of 642139667820
- Binary: 10010101100000101000000110111101011011002
- Hexadecimal: 0x958281BD6C
- Base-36: 86ZTDMR0
Squares and roots of 642139667820
- 642139667820 squared (6421396678202) is 412343352987979943552400
- 642139667820 cubed (6421396678203) is 264782023715486445405560486763768000
-
The
square root of 642139667820 is 801336.1765326707 -
The
cube root of 642139667820 is 8627.3317745369
Scales and comparisons
How big is 642139667820?- 642,139,667,820 seconds is equal to 20,418 years, 2 weeks, 6 days, 1 hour, 57 minutes.
-
To count from 1 to 642,139,667,820 would take you about forty thousand, eight 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 642139667820 cubic inches would be around 718.9 feet tall.
Recreational maths with 642139667820
- 642139667820 backwards is 028766931246
- 642139667820 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 642139667820's digits is 54
- More coming soon!
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