138421497680
138,421,497,680 is an even composite number composed of five prime numbers multiplied together.
What does the number 138421497680 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 180 divisors.
138421497680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 138421497680:
24 × 5 × 172 × 612 × 1609
(2 × 2 × 2 × 2 × 5 × 17 × 17 × 61 × 61 × 1609)See below for interesting mathematical facts about the number 138421497680 from the Numbermatics database.
Names of 138421497680
- Cardinal: 138421497680 can be written as One hundred thirty-eight billion, four hundred twenty-one million, four hundred ninety-seven thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.3842149768 × 1011
Factors of 138421497680
Divisors of 138421497680
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 34 40 61 68 80 85 122 136 170 244 272 289 305 340 488 578 610 680 976 1037 1156 1220 1360 1445 1609 2074 2312 2440 2890 3218 3721 4148 4624 4880 5185 5780 6436 7442 8045 8296 10370 11560 12872 14884 16090 16592 17629 18605 20740 23120 25744 27353 29768 32180 35258 37210 41480 54706 59536 63257 64360 70516 74420 82960 88145 98149 109412 126514 128720 136765 141032 148840 176290 196298 218824 253028 273530 282064 297680 316285 352580 392596 437648 465001 490745 506056 547060 632570 705160 785192 930002 981490 1012112 1075369 1094120 1265140 1410320 1570384 1668533 1860004 1962980 2150738 2188240 2325005 2530280 3337066 3720008 3925960 4301476 4650010 5060560 5376845 5987089 6674132 7440016 7851920 8342665 8602952 9300020 10753690 11974178 13348264 16685330 17205904 18600040 21507380 23948356 26696528 28365061 29935445 33370660 37200080 43014760 47896712 56730122 59870890 66741320 86029520 95793424 101780513 113460244 119741780 133482640 141825305 203561026 226920488 239483560 283650610 407122052 453840976 478967120 508902565 567301220 814244104 1017805130 1134602440 1628488208 1730268721 2035610260 2269204880 3460537442 4071220520 6921074884 8142441040 8651343605 13842149768 17302687210 27684299536 34605374420 69210748840 138421497680
- Sum of all divisors σ(n): 347787154260
- Sum of proper divisors (its aliquot sum) s(n): 209365656580
- 138421497680 is an abundant number, because the sum of its proper divisors (209365656580) is greater than itself. Its abundance is 70944158900
Bases of 138421497680
- Binary: 100000001110101001000001101111010100002
- Hexadecimal: 0x203A906F50
- Base-36: 1RL8L368
Squares and roots of 138421497680
- 138421497680 squared (1384214976802) is 19160511019974245382400
- 138421497680 cubed (1384214976803) is 2652226631698979440859632312832000
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The
square root of 138421497680 is 372050.3966937813 -
The
cube root of 138421497680 is 5172.9051420423
Scales and comparisons
How big is 138421497680?- 138,421,497,680 seconds is equal to 4,401 years, 19 weeks, 3 days, 16 hours, 1 minute, 20 seconds.
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To count from 1 to 138,421,497,680 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 138421497680 cubic inches would be around 431.1 feet tall.
Recreational maths with 138421497680
- 138421497680 backwards is 086794124831
- The number of decimal digits it has is: 12
- The sum of 138421497680's digits is 53
- More coming soon!
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