138420334668
138,420,334,668 is an even composite number composed of seven prime numbers multiplied together.
138420334668 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138420334668:
22 × 3 × 7 × 112 × 19 × 257 × 2789
(2 × 2 × 3 × 7 × 11 × 11 × 19 × 257 × 2789)See below for interesting mathematical facts about the number 138420334668 from the Numbermatics database.
Names of 138420334668
- Cardinal: 138420334668 can be written as One hundred thirty-eight billion, four hundred twenty million, three hundred thirty-four thousand, six hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38420334668 × 1011
Factors of 138420334668
Divisors of 138420334668
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 11 12 14 19 21 22 28 33 38 42 44 57 66 76 77 84 114 121 132 133 154 209 228 231 242 257 266 308 363 399 418 462 484 514 532 627 726 771 798 836 847 924 1028 1254 1452 1463 1542 1596 1694 1799 2299 2508 2541 2789 2827 2926 3084 3388 3598 4389 4598 4883 5082 5397 5578 5654 5852 6897 7196 8367 8481 8778 9196 9766 10164 10794 11156 11308 13794 14649 16093 16734 16962 17556 19523 19532 19789 21588 27588 29298 30679 31097 32186 33468 33924 34181 39046 39578 48279 52991 53713 58569 58596 59367 61358 62194 64372 68362 78092 79156 92037 93291 96558 102543 105982 107426 117138 118734 122716 124388 136724 158973 161139 184074 186582 193116 205086 211964 214753 214852 217679 234276 237468 317946 322278 337469 368148 370937 373164 375991 410172 429506 435358 582901 590843 635892 644259 644556 653037 674938 716773 741874 751982 859012 870716 1012407 1112811 1127973 1165802 1181686 1288518 1306074 1349876 1433546 1483748 1503964 1748703 1772529 2024814 2150319 2225622 2255946 2331604 2362283 2363372 2577036 2612148 2867092 3497406 3545058 4049628 4080307 4135901 4300638 4451244 4511892 4724566 5017411 6411911 6994812 7086849 7090116 7884503 8160614 8271802 8601276 9449132 10034822 12240921 12407703 12823822 13618687 14173698 15052233 15769006 16321228 16543604 19235733 20069644 23653509 24481842 24815406 25647644 27237374 28347396 30104466 31538012 38471466 40856061 44883377 47307018 48963684 49630812 54474748 55191521 60208932 76942932 81712122 86729533 89766754 94614036 95330809 110383042 134650131 149805557 163424244 165574563 173459066 179533508 190661618 220766084 260188599 269300262 285992427 299611114 331149126 346918132 381323236 449416671 520377198 538600524 571984854 599222228 607106731 662298252 898833342 1040754396 1048638899 1143969708 1214213462 1647861127 1797666684 1821320193 2097277798 2428426924 3145916697 3295722254 3642640386 4194555596 4943583381 6291833394 6591444508 7285280772 9887166762 11535027889 12583666788 19774333524 23070055778 34605083667 46140111556 69210167334 138420334668
- Sum of all divisors σ(n): 428897548800
- Sum of proper divisors (its aliquot sum) s(n): 290477214132
- 138420334668 is an abundant number, because the sum of its proper divisors (290477214132) is greater than itself. Its abundance is 152056879464
Bases of 138420334668
- Binary: 100000001110100111111010110000010011002
- Hexadecimal: 0x203A7EB04C
- Base-36: 1RL7W5SC
Squares and roots of 138420334668
- 138420334668 squared (1384203346682) is 19160189049601122670224
- 138420334668 cubed (1384203346683) is 2652159780547936251920927878525632
-
The
square root of 138420334668 is 372048.8337140703 -
The
cube root of 138420334668 is 5172.8906544863
Scales and comparisons
How big is 138420334668?- 138,420,334,668 seconds is equal to 4,401 years, 17 weeks, 4 days, 4 hours, 57 minutes, 48 seconds.
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To count from 1 to 138,420,334,668 would take you about eight thousand, eight hundred two 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 138420334668 cubic inches would be around 431.1 feet tall.
Recreational maths with 138420334668
- 138420334668 backwards is 866433024831
- The number of decimal digits it has is: 12
- The sum of 138420334668's digits is 48
- More coming soon!
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