138644352420
138,644,352,420 is an even composite number composed of six prime numbers multiplied together.
138644352420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 138644352420:
22 × 3 × 5 × 74 × 19 × 373
(2 × 2 × 3 × 5 × 7 × 7 × 7 × 7 × 19 × 37 × 37 × 37)See below for interesting mathematical facts about the number 138644352420 from the Numbermatics database.
Names of 138644352420
- Cardinal: 138644352420 can be written as One hundred thirty-eight billion, six hundred forty-four million, three hundred fifty-two thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.3864435242 × 1011
Factors of 138644352420
Divisors of 138644352420
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 37 38 42 49 57 60 70 74 76 84 95 98 105 111 114 133 140 147 148 185 190 196 210 222 228 245 259 266 285 294 343 370 380 399 420 444 490 518 532 555 570 588 665 686 703 735 740 777 798 931 980 1029 1036 1110 1140 1295 1330 1369 1372 1406 1470 1554 1596 1715 1813 1862 1995 2058 2109 2220 2401 2590 2660 2738 2793 2812 2940 3108 3430 3515 3626 3724 3885 3990 4107 4116 4218 4655 4802 4921 5145 5180 5439 5476 5586 6517 6845 6860 7030 7203 7252 7770 7980 8214 8436 9065 9310 9583 9604 9842 10290 10545 10878 11172 12005 12691 13034 13690 13965 14060 14406 14763 15540 16428 18130 18620 19166 19551 19684 20535 20580 21090 21756 24010 24605 25382 26011 26068 27195 27380 27930 28749 28812 29526 32585 34447 36015 36260 38073 38332 39102 41070 42180 45619 47915 48020 49210 50653 50764 52022 54390 55860 57498 59052 63455 65170 67081 68894 72030 73815 76146 78033 78204 82140 88837 91238 95830 97755 98420 101306 103341 104044 108780 114996 126910 130055 130340 134162 136857 137788 143745 144060 147630 151959 152292 156066 172235 177674 182077 182476 190365 191660 195510 201243 202612 206682 228095 241129 253265 253820 260110 266511 268324 273714 287490 295260 303918 312132 335405 344470 354571 355348 364154 380730 390165 391020 402486 413364 444185 456190 469567 482258 506530 516705 520220 533022 546231 547428 574980 607836 670810 684285 688940 709142 723387 728308 759795 761460 780330 804972 888370 910385 912380 939134 962407 964516 1006215 1013060 1033410 1063713 1066044 1092462 1205645 1274539 1332555 1341620 1368570 1408701 1418284 1446774 1519590 1560660 1687903 1772855 1776740 1820770 1878268 1924814 2012430 2066820 2127426 2184924 2347835 2411290 2481997 2549078 2665110 2731155 2737140 2817402 2887221 2893548 3039180 3286969 3375806 3545710 3616935 3641540 3823617 3849628 4024860 4254852 4695670 4812035 4822580 4963994 5063709 5098156 5318565 5330220 5462310 5634804 5774442 6372695 6573938 6736849 6751612 7043505 7091420 7233870 7445991 7647234 8439515 8921773 9391340 9624070 9860907 9927988 10127418 10637130 10924620 11548884 12409985 12745390 13147876 13473698 14087010 14436105 14467740 14891982 15294468 16434845 16879030 17373979 17843546 19118085 19248140 19721814 20210547 20254836 21274260 24819970 25318545 25490780 26765319 26947396 28174020 28872210 29783964 32869690 33684245 33758060 34747958 35687092 37229955 38236170 39443628 40421094 44608865 47157943 49304535 49639940 50637090 52121937 53530638 57744420 62452411 65739380 67368490 69495916 74459910 76472340 80842188 86869895 89217730 94315886 98609070 101052735 101274180 104243874 107061276 121617853 124904822 133826595 134736980 141473829 148919820 173739790 178435460 187357233 188631772 197218140 202105470 208487748 235789715 243235706 249809644 260609685 267653190 282947658 312262055 330105601 347479580 364853559 374714466 404210940 471579430 486471412 521219370 535306380 565895316 608089265 624524110 660211202 707369145 729707118 749428932 936786165 943158860 990316803 1042438740 1216178530 1249048220 1320422404 1414738290 1459414236 1650528005 1824267795 1873572330 1980633606 2310739207 2432357060 2829476580 3301056010 3648535590 3747144660 3961267212 4621478414 4951584015 6602112020 6932217621 7297071180 9242956828 9903168030 11553696035 13864435242 19806336060 23107392070 27728870484 34661088105 46214784140 69322176210 138644352420
- Sum of all divisors σ(n): 489955401600
- Sum of proper divisors (its aliquot sum) s(n): 351311049180
- 138644352420 is an abundant number, because the sum of its proper divisors (351311049180) is greater than itself. Its abundance is 212666696760
Bases of 138644352420
- Binary: 100000010001111101100011101101101001002
- Hexadecimal: 0x2047D8EDA4
- Base-36: 1ROX9MZO
Squares and roots of 138644352420
- 138644352420 squared (1386443524202) is 19222256457961159856400
- 138644352420 cubed (1386443524203) is 2665057298665187961802678192488000
-
The
square root of 138644352420 is 372349.7716126599 -
The
cube root of 138644352420 is 5175.6797311067
Scales and comparisons
How big is 138644352420?- 138,644,352,420 seconds is equal to 4,408 years, 24 weeks, 7 minutes.
-
To count from 1 to 138,644,352,420 would take you about eight thousand, eight hundred sixteen 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 138644352420 cubic inches would be around 431.3 feet tall.
Recreational maths with 138644352420
- 138644352420 backwards is 024253446831
- 138644352420 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138644352420's digits is 42
- More coming soon!
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