138990042840
138,990,042,840 is an even composite number composed of six prime numbers multiplied together.
What does the number 138990042840 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 192 divisors.
138990042840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138990042840:
23 × 3 × 5 × 112 × 499 × 19183
(2 × 2 × 2 × 3 × 5 × 11 × 11 × 499 × 19183)See below for interesting mathematical facts about the number 138990042840 from the Numbermatics database.
Names of 138990042840
- Cardinal: 138990042840 can be written as One hundred thirty-eight billion, nine hundred ninety million, forty-two thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.3899004284 × 1011
Factors of 138990042840
Divisors of 138990042840
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 121 132 165 220 242 264 330 363 440 484 499 605 660 726 968 998 1210 1320 1452 1497 1815 1996 2420 2495 2904 2994 3630 3992 4840 4990 5489 5988 7260 7485 9980 10978 11976 14520 14970 16467 19183 19960 21956 27445 29940 32934 38366 43912 54890 57549 59880 60379 65868 76732 82335 95915 109780 115098 120758 131736 153464 164670 181137 191830 211013 219560 230196 241516 287745 301895 329340 362274 383660 422026 460392 483032 575490 603790 633039 658680 724548 767320 844052 905685 1055065 1150980 1207580 1266078 1449096 1688104 1811370 2110130 2301960 2321143 2415160 2532156 3165195 3622740 4220260 4642286 5064312 6330390 6963429 7245480 8440520 9284572 9572317 11605715 12660780 13926858 18569144 19144634 23211430 25321560 27853716 28716951 34817145 38289268 46422860 47861585 55707432 57433902 69634290 76578536 92845720 95723170 105295487 114867804 139268580 143584755 191446340 210590974 229735608 278537160 287169510 315886461 382892680 421181948 526477435 574339020 631772922 842363896 1052954870 1148678040 1158250357 1263545844 1579432305 2105909740 2316500714 2527091688 3158864610 3474751071 4211819480 4633001428 5791251785 6317729220 6949502142 9266002856 11582503570 12635458440 13899004284 17373755355 23165007140 27798008568 34747510710 46330014280 69495021420 138990042840
- Sum of all divisors σ(n): 459264960000
- Sum of proper divisors (its aliquot sum) s(n): 320274917160
- 138990042840 is an abundant number, because the sum of its proper divisors (320274917160) is greater than itself. Its abundance is 181284874320
Bases of 138990042840
- Binary: 100000010111000111001110111110110110002
- Hexadecimal: 0x205C73BED8
- Base-36: 1RUN2ZFC
Squares and roots of 138990042840
- 138990042840 squared (1389900428402) is 19318232008665035265600
- 138990042840 cubed (1389900428403) is 2685041894477412502775854778304000
-
The
square root of 138990042840 is 372813.6838153877 -
The
cube root of 138990042840 is 5179.9777735415
Scales and comparisons
How big is 138990042840?- 138,990,042,840 seconds is equal to 4,419 years, 23 weeks, 4 days, 1 hour, 14 minutes.
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To count from 1 to 138,990,042,840 would take you about eight thousand, eight hundred thirty-eight 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 138990042840 cubic inches would be around 431.7 feet tall.
Recreational maths with 138990042840
- 138990042840 backwards is 048240099831
- The number of decimal digits it has is: 12
- The sum of 138990042840's digits is 48
- More coming soon!
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