138806461521
138,806,461,521 is an odd composite number composed of six prime numbers multiplied together.
138806461521 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 138806461521:
32 × 72 × 132 × 31 × 73 × 823
(3 × 3 × 7 × 7 × 13 × 13 × 31 × 73 × 823)See below for interesting mathematical facts about the number 138806461521 from the Numbermatics database.
Names of 138806461521
- Cardinal: 138806461521 can be written as One hundred thirty-eight billion, eight hundred six million, four hundred sixty-one thousand, five hundred twenty-one.
Scientific notation
- Scientific notation: 1.38806461521 × 1011
Factors of 138806461521
Divisors of 138806461521
- Number of divisors d(n): 216
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Complete list of divisors:
1 3 7 9 13 21 31 39 49 63 73 91 93 117 147 169 217 219 273 279 403 441 507 511 637 651 657 819 823 949 1183 1209 1519 1521 1533 1911 1953 2263 2469 2821 2847 3549 3577 3627 4557 4599 5239 5733 5761 6643 6789 7407 8281 8463 8541 10647 10699 10731 12337 13671 15717 15841 17283 19747 19929 20367 24843 25389 25513 29419 32097 32193 36673 37011 40327 46501 47151 47523 51849 59241 59787 60079 74529 74893 76539 86359 88257 96291 110019 110887 111033 120981 139087 139503 142569 177723 178591 180237 205933 224679 229617 256711 259077 264771 330057 331669 332661 362943 382447 417261 418509 420553 524251 535773 540711 604513 617799 674037 770133 777231 781027 973609 995007 997983 1147341 1250137 1251783 1261659 1441531 1572753 1607319 1813539 1853397 1862449 2310399 2321683 2343081 2677129 2920827 2943871 2985021 3442023 3750411 3784977 4311697 4324593 4718259 5440617 5467189 5587347 6815263 6965049 7029243 8031387 8762481 8831613 10153351 11251233 12935091 12973779 13037143 16251781 16401567 16762041 18739903 20445789 20895147 24094161 24211837 26494839 30181879 30460053 38270323 38805273 39111429 48755343 49204701 56219709 61337367 71073457 72635511 90545637 91260001 91380159 114810969 117334287 146266029 168659127 169482859 211273153 213220371 217906533 271636911 273780003 314753881 344432907 497514199 508448577 633819459 639661113 821340009 944261643 1186380013 1492542597 1525345731 1901458377 2203277167 2832784929 3559140039 4477627791 6609831501 10677420117 15422940169 19829494503 46268820507 138806461521
- Sum of all divisors σ(n): 264592912896
- Sum of proper divisors (its aliquot sum) s(n): 125786451375
- 138806461521 is a deficient number, because the sum of its proper divisors (125786451375) is less than itself. Its deficiency is 13020010146
Bases of 138806461521
- Binary: 100000010100011000001010000100010100012
- Hexadecimal: 0x2051828451
- Base-36: 1RRLS769
Squares and roots of 138806461521
- 138806461521 squared (1388064615212) is 19267233759980853633441
- 138806461521 cubed (1388064615213) is 2674416541520894509566961205323761
-
The
square root of 138806461521 is 372567.3919185629 -
The
cube root of 138806461521 is 5177.6961565329
Scales and comparisons
How big is 138806461521?- 138,806,461,521 seconds is equal to 4,413 years, 32 weeks, 6 hours, 25 minutes, 21 seconds.
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To count from 1 to 138,806,461,521 would take you about eight thousand, eight hundred twenty-seven 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 138806461521 cubic inches would be around 431.5 feet tall.
Recreational maths with 138806461521
- 138806461521 backwards is 125164608831
- The number of decimal digits it has is: 12
- The sum of 138806461521's digits is 45
- More coming soon!
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