138981087280
138,981,087,280 is an even composite number composed of six prime numbers multiplied together.
138981087280 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 138981087280:
24 × 5 × 72 × 31 × 61 × 18749
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 31 × 61 × 18749)See below for interesting mathematical facts about the number 138981087280 from the Numbermatics database.
Names of 138981087280
- Cardinal: 138981087280 can be written as One hundred thirty-eight billion, nine hundred eighty-one million, eighty-seven thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.3898108728 × 1011
Factors of 138981087280
Divisors of 138981087280
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 35 40 49 56 61 62 70 80 98 112 122 124 140 155 196 217 244 245 248 280 305 310 392 427 434 488 490 496 560 610 620 784 854 868 976 980 1085 1220 1240 1519 1708 1736 1891 1960 2135 2170 2440 2480 2989 3038 3416 3472 3782 3920 4270 4340 4880 5978 6076 6832 7564 7595 8540 8680 9455 11956 12152 13237 14945 15128 15190 17080 17360 18749 18910 23912 24304 26474 29890 30256 30380 34160 37498 37820 47824 52948 59780 60760 66185 74996 75640 92659 93745 105896 119560 121520 131243 132370 149992 151280 185318 187490 211792 239120 262486 264740 299984 370636 374980 463295 524972 529480 581219 656215 741272 749960 918701 926590 1049944 1058960 1143689 1162438 1312430 1482544 1499920 1837402 1853180 2099888 2287378 2324876 2624860 2906095 3674804 3706360 4068533 4574756 4593505 4649752 5249720 5718445 5812190 7349608 7412720 8005823 8137066 9149512 9187010 9299504 10499440 11436890 11624380 14699216 16011646 16274132 18299024 18374020 20342665 22873780 23248760 28479731 32023292 32548264 35454359 36748040 40029115 40685330 45747560 46497520 56040761 56959462 64046584 65096528 70908718 73496080 80058230 81370660 91495120 112081522 113918924 128093168 141817436 142398655 160116460 162741320 177271795 224163044 227837848 248180513 280203805 283634872 284797310 320232920 325482640 354543590 448326088 455675696 496361026 560407610 567269744 569594620 640465840 709087180 896652176 992722052 1120815220 1139189240 1240902565 1418174360 1737263591 1985444104 2241630440 2278378480 2481805130 2836348720 3474527182 3970888208 4483260880 4963610260 6949054364 8686317955 9927220520 13898108728 17372635910 19854441040 27796217456 34745271820 69490543640 138981087280
- Sum of all divisors σ(n): 394394400000
- Sum of proper divisors (its aliquot sum) s(n): 255413312720
- 138981087280 is an abundant number, because the sum of its proper divisors (255413312720) is greater than itself. Its abundance is 116432225440
Bases of 138981087280
- Binary: 100000010110111110101100011000001100002
- Hexadecimal: 0x205BEB1830
- Base-36: 1RUHR19S
Squares and roots of 138981087280
- 138981087280 squared (1389810872802) is 19315742621530977798400
- 138981087280 cubed (1389810872803) is 2684522911161012832623172644352000
-
The
square root of 138981087280 is 372801.6728503239 -
The
cube root of 138981087280 is 5179.8665171349
Scales and comparisons
How big is 138981087280?- 138,981,087,280 seconds is equal to 4,419 years, 8 weeks, 5 days, 9 hours, 34 minutes, 40 seconds.
-
To count from 1 to 138,981,087,280 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 138981087280 cubic inches would be around 431.7 feet tall.
Recreational maths with 138981087280
- 138981087280 backwards is 082780189831
- The number of decimal digits it has is: 12
- The sum of 138981087280's digits is 55
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 138981087280 - Facts about the integer". Numbermatics.com. 2024. Web. 30 May 2024.
APA style:
Numbermatics. (2024). Number 138981087280 - Facts about the integer. Retrieved 30 May 2024, from https://numbermatics.com/n/138981087280/
Chicago style:
Numbermatics. 2024. "Number 138981087280 - Facts about the integer". https://numbermatics.com/n/138981087280/
The information we have on file for 138981087280 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 138981087280, math, Factors of 138981087280, curriculum, school, college, exams, university, Prime factorization of 138981087280, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight billion, nine hundred eighty-one million, eighty-seven thousand, two hundred eighty.