138551969920
138,551,969,920 is an even composite number composed of six prime numbers multiplied together.
138551969920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138551969920:
27 × 5 × 7 × 13 × 379 × 6277
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 13 × 379 × 6277)See below for interesting mathematical facts about the number 138551969920 from the Numbermatics database.
Names of 138551969920
- Cardinal: 138551969920 can be written as One hundred thirty-eight billion, five hundred fifty-one million, nine hundred sixty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.3855196992 × 1011
Factors of 138551969920
Divisors of 138551969920
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 128 130 140 160 182 208 224 260 280 320 364 379 416 448 455 520 560 640 728 758 832 896 910 1040 1120 1456 1516 1664 1820 1895 2080 2240 2653 2912 3032 3640 3790 4160 4480 4927 5306 5824 6064 6277 7280 7580 8320 9854 10612 11648 12128 12554 13265 14560 15160 19708 21224 24256 24635 25108 26530 29120 30320 31385 34489 39416 42448 43939 48512 49270 50216 53060 58240 60640 62770 68978 78832 81601 84896 87878 98540 100432 106120 121280 125540 137956 157664 163202 169792 172445 175756 197080 200864 212240 219695 242560 251080 275912 315328 326404 339584 344890 351512 394160 401728 408005 424480 439390 502160 551824 571207 630656 652808 689780 703024 788320 803456 816010 848960 878780 1004320 1103648 1142414 1305616 1379560 1406048 1576640 1632020 1697920 1757560 2008640 2207296 2284828 2378983 2611232 2759120 2812096 2856035 3153280 3264040 3515120 4017280 4414592 4569656 4757966 5222464 5518240 5624192 5712070 6528080 7030240 9139312 9515932 10444928 11036480 11424140 11894915 13056160 14060480 16652881 18278624 19031864 22072960 22848280 23789830 26112320 28120960 30926779 33305762 36557248 38063728 45696560 47579660 52224640 61853558 66611524 73114496 76127456 83264405 91393120 95159320 123707116 133223048 152254912 154633895 166528810 182786240 190318640 216487453 247414232 266446096 304509824 309267790 333057620 365572480 380637280 432974906 494828464 532892192 618535580 666115240 761274560 865949812 989656928 1065784384 1082437265 1237071160 1332230480 1522549120 1731899624 1979313856 2131568768 2164874530 2474142320 2664460960 3463799248 3958627712 4329749060 4948284640 5328921920 6927598496 8659498120 9896569280 10657843840 13855196992 17318996240 19793138560 27710393984 34637992480 69275984960 138551969920
- Sum of all divisors σ(n): 408803270400
- Sum of proper divisors (its aliquot sum) s(n): 270251300480
- 138551969920 is an abundant number, because the sum of its proper divisors (270251300480) is greater than itself. Its abundance is 131699330560
Bases of 138551969920
- Binary: 100000010000100101011101001000100000002
- Hexadecimal: 0x2042574880
- Base-36: 1RNE9K74
Squares and roots of 138551969920
- 138551969920 squared (1385519699202) is 19196648368712584806400
- 138551969920 cubed (1385519699203) is 2659733447346683119221781823488000
-
The
square root of 138551969920 is 372225.6975545887 -
The
cube root of 138551969920 is 5174.5299103279
Scales and comparisons
How big is 138551969920?- 138,551,969,920 seconds is equal to 4,405 years, 27 weeks, 1 day, 18 hours, 18 minutes, 40 seconds.
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To count from 1 to 138,551,969,920 would take you about eight thousand, eight hundred eleven 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 138551969920 cubic inches would be around 431.2 feet tall.
Recreational maths with 138551969920
- 138551969920 backwards is 029969155831
- The number of decimal digits it has is: 12
- The sum of 138551969920's digits is 58
- More coming soon!
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