138640302918
138,640,302,918 is an even composite number composed of five prime numbers multiplied together.
138640302918 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138640302918:
2 × 37 × 132 × 372 × 137
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 13 × 13 × 37 × 37 × 137)See below for interesting mathematical facts about the number 138640302918 from the Numbermatics database.
Names of 138640302918
- Cardinal: 138640302918 can be written as One hundred thirty-eight billion, six hundred forty million, three hundred two thousand, nine hundred eighteen.
Scientific notation
- Scientific notation: 1.38640302918 × 1011
Factors of 138640302918
Divisors of 138640302918
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 6 9 13 18 26 27 37 39 54 74 78 81 111 117 137 162 169 222 234 243 274 333 338 351 411 481 486 507 666 702 729 822 962 999 1014 1053 1233 1369 1443 1458 1521 1781 1998 2106 2187 2466 2738 2886 2997 3042 3159 3562 3699 4107 4329 4374 4563 5069 5343 5994 6253 6318 7398 8214 8658 8991 9126 9477 10138 10686 11097 12321 12506 12987 13689 15207 16029 17797 17982 18759 18954 22194 23153 24642 25974 26973 27378 28431 30414 32058 33291 35594 36963 37518 38961 41067 45621 46306 48087 53391 53946 56277 56862 65897 66582 69459 73926 77922 80919 82134 91242 96174 99873 106782 110889 112554 116883 123201 131794 136863 138918 144261 160173 161838 168831 187553 197691 199746 208377 221778 231361 233766 246402 273726 288522 299619 320346 332667 337662 350649 369603 375106 395382 410589 416754 432783 462722 480519 506493 562659 593073 599238 625131 665334 694083 701298 739206 821178 856661 865566 961038 998001 1012986 1051947 1125318 1186146 1231767 1250262 1298349 1388166 1441557 1519479 1687977 1713322 1779219 1875393 1996002 2082249 2103894 2438189 2463534 2569983 2596698 2883114 2994003 3038958 3375954 3558438 3695301 3750786 3895047 4164498 4324671 4558437 4876378 5063931 5139966 5337657 5626179 5988006 6246747 7314567 7390602 7709949 7790094 8649342 9116874 10127862 10675314 11085903 11252358 12493494 12974013 13675311 14629134 15191793 15419898 16012971 16878537 18740241 21943701 22171806 23129847 25948026 27350622 30383586 31696457 32025942 33757074 37480482 38922039 43887402 45575379 46259694 48038913 50635611 56220723 63392914 65831103 69389541 77844078 91150758 95089371 96077826 101271222 112441446 131662206 136726137 138779082 144116739 168662169 190178742 197493309 208168623 273452274 285268113 288233478 337324338 394986618 410178411 416337246 505986507 570536226 592479927 624505869 820356822 855804339 1011973014 1184959854 1249011738 1711608678 1777439781 1873517607 2567413017 3554879562 3747035214 5134826034 5332319343 7702239051 10664638686 15404478102 23106717153 46213434306 69320151459 138640302918
- Sum of all divisors σ(n): 349638599520
- Sum of proper divisors (its aliquot sum) s(n): 210998296602
- 138640302918 is an abundant number, because the sum of its proper divisors (210998296602) is greater than itself. Its abundance is 72357993684
Bases of 138640302918
- Binary: 100000010001111001101100100011010001102
- Hexadecimal: 0x20479B2346
- Base-36: 1ROUUUDI
Squares and roots of 138640302918
- 138640302918 squared (1386403029182) is 19221133593194799314724
- 138640302918 cubed (1386403029183) is 2664823783787872760375554177564632
-
The
square root of 138640302918 is 372344.3338067601 -
The
cube root of 138640302918 is 5175.6293404749
Scales and comparisons
How big is 138640302918?- 138,640,302,918 seconds is equal to 4,408 years, 17 weeks, 2 days, 3 hours, 15 minutes, 18 seconds.
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To count from 1 to 138,640,302,918 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 138640302918 cubic inches would be around 431.3 feet tall.
Recreational maths with 138640302918
- 138640302918 backwards is 819203046831
- The number of decimal digits it has is: 12
- The sum of 138640302918's digits is 45
- More coming soon!
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