138689269920
138,689,269,920 is an even composite number composed of six prime numbers multiplied together.
138689269920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138689269920:
25 × 32 × 5 × 41 × 1187 × 1979
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 41 × 1187 × 1979)See below for interesting mathematical facts about the number 138689269920 from the Numbermatics database.
Names of 138689269920
- Cardinal: 138689269920 can be written as One hundred thirty-eight billion, six hundred eighty-nine million, two hundred sixty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3868926992 × 1011
Factors of 138689269920
Divisors of 138689269920
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 72 80 82 90 96 120 123 144 160 164 180 205 240 246 288 328 360 369 410 480 492 615 656 720 738 820 984 1187 1230 1312 1440 1476 1640 1845 1968 1979 2374 2460 2952 3280 3561 3690 3936 3958 4748 4920 5904 5935 5937 6560 7122 7380 7916 9496 9840 9895 10683 11808 11870 11874 14244 14760 15832 17805 17811 18992 19680 19790 21366 23740 23748 28488 29520 29685 31664 35610 35622 37984 39580 42732 47480 47496 48667 53415 56976 59040 59370 63328 71220 71244 79160 81139 85464 89055 94960 94992 97334 106830 113952 118740 142440 142488 146001 158320 162278 170928 178110 189920 189984 194668 213660 237480 243335 243417 284880 284976 292002 316640 324556 341856 356220 389336 405695 427320 438003 474960 486670 486834 569760 569952 584004 649112 712440 730005 730251 778672 811390 854640 876006 949920 973340 973668 1168008 1217085 1298224 1424880 1460010 1460502 1557344 1622780 1709280 1752012 1946680 1947336 2190015 2336016 2349073 2434170 2596448 2849760 2920020 2921004 3245560 3504024 3651255 3893360 3894672 4380030 4672032 4698146 4868340 5840040 5842008 6491120 7008048 7047219 7302510 7786720 7789344 8760060 9396292 9736680 11680080 11684016 11745365 12982240 14016096 14094438 14605020 17520120 18792584 19473360 21141657 23360160 23368032 23490730 28188876 29210040 35040240 35236095 37585168 38946720 42283314 46981460 56377752 58420080 70080480 70472190 75170336 84566628 93962920 96311993 105708285 112755504 116840160 140944380 169133256 187925840 192623986 211416570 225511008 281888760 288935979 338266512 375851680 385247972 422833140 481559965 563777520 577871958 676533024 770495944 845666280 866807937 963119930 1127555040 1155743916 1444679895 1540991888 1691332560 1733615874 1926239860 2311487832 2889359790 3081983776 3382665120 3467231748 3852479720 4334039685 4622975664 5778719580 6934463496 7704959440 8668079370 9245951328 11557439160 13868926992 15409918880 17336158740 23114878320 27737853984 34672317480 46229756640 69344634960 138689269920
- Sum of all divisors σ(n): 485474109120
- Sum of proper divisors (its aliquot sum) s(n): 346784839200
- 138689269920 is an abundant number, because the sum of its proper divisors (346784839200) is greater than itself. Its abundance is 208095569280
Bases of 138689269920
- Binary: 100000010010101000011001010000101000002
- Hexadecimal: 0x204A8650A0
- Base-36: 1RPO0DK0
Squares and roots of 138689269920
- 138689269920 squared (1386892699202) is 19234713590942616806400
- 138689269920 cubed (1386892699203) is 2667648385048133049493937983488000
-
The
square root of 138689269920 is 372410.0829999101 -
The
cube root of 138689269920 is 5176.2386034755
Scales and comparisons
How big is 138689269920?- 138,689,269,920 seconds is equal to 4,409 years, 46 weeks, 1 day, 21 hours, 12 minutes.
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To count from 1 to 138,689,269,920 would take you about eight thousand, eight hundred nineteen 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 138689269920 cubic inches would be around 431.4 feet tall.
Recreational maths with 138689269920
- 138689269920 backwards is 029962986831
- The number of decimal digits it has is: 12
- The sum of 138689269920's digits is 63
- More coming soon!
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