138898665472
138,898,665,472 is an even composite number composed of four prime numbers multiplied together.
138898665472 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred thirty-four divisors.
Prime factorization of 138898665472:
212 × 7 × 312 × 712
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 31 × 31 × 71 × 71)See below for interesting mathematical facts about the number 138898665472 from the Numbermatics database.
Names of 138898665472
- Cardinal: 138898665472 can be written as One hundred thirty-eight billion, eight hundred ninety-eight million, six hundred sixty-five thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.38898665472 × 1011
Factors of 138898665472
Divisors of 138898665472
- Number of divisors d(n): 234
-
Complete list of divisors:
1 2 4 7 8 14 16 28 31 32 56 62 64 71 112 124 128 142 217 224 248 256 284 434 448 496 497 512 568 868 896 961 992 994 1024 1136 1736 1792 1922 1984 1988 2048 2201 2272 3472 3584 3844 3968 3976 4096 4402 4544 5041 6727 6944 7168 7688 7936 7952 8804 9088 10082 13454 13888 14336 15376 15407 15872 15904 17608 18176 20164 26908 27776 28672 30752 30814 31744 31808 35216 35287 36352 40328 53816 55552 61504 61628 63488 63616 68231 70432 70574 72704 80656 107632 111104 123008 123256 126976 127232 136462 140864 141148 145408 156271 161312 215264 222208 246016 246512 254464 272924 281728 282296 290816 312542 322624 430528 444416 477617 492032 493024 508928 545848 563456 564592 625084 645248 861056 888832 955234 984064 986048 1017856 1091696 1093897 1126912 1129184 1250168 1290496 1722112 1910468 1968128 1972096 2035712 2183392 2187794 2253824 2258368 2500336 2580992 3444224 3820936 3936256 3944192 4366784 4375588 4507648 4516736 4844401 5000672 5161984 6888448 7641872 7888384 8733568 8751176 9015296 9033472 9688802 10001344 10323968 13776896 15283744 15776768 17467136 17502352 18066944 19377604 20002688 20647936 27553792 30567488 31553536 33910807 34934272 35004704 36133888 38755208 40005376 61134976 63107072 67821614 69868544 70009408 72267776 77510416 80010752 122269952 135643228 139737088 140018816 144535552 155020832 160021504 244539904 271286456 279474176 280037632 310041664 320043008 489079808 542572912 560075264 620083328 640086016 978159616 1085145824 1120150528 1240166656 1956319232 2170291648 2240301056 2480333312 4340583296 4480602112 4960666624 8681166592 9921333248 17362333184 19842666496 34724666368 69449332736 138898665472
- Sum of all divisors σ(n): 332699351352
- Sum of proper divisors (its aliquot sum) s(n): 193800685880
- 138898665472 is an abundant number, because the sum of its proper divisors (193800685880) is greater than itself. Its abundance is 54902020408
Bases of 138898665472
- Binary: 100000010101110000000101110000000000002
- Hexadecimal: 0x2057017000
- Base-36: 1RT4OG74
Squares and roots of 138898665472
- 138898665472 squared (1388986654722) is 19292839269902564982784
- 138898665472 cubed (1388986654723) is 2679749627755261091578456255234048
-
The
square root of 138898665472 is 372691.1126818025 -
The
cube root of 138898665472 is 5178.8423528727
Scales and comparisons
How big is 138898665472?- 138,898,665,472 seconds is equal to 4,416 years, 28 weeks, 3 days, 10 hours, 37 minutes, 52 seconds.
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To count from 1 to 138,898,665,472 would take you about eight thousand, eight hundred thirty-three 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 138898665472 cubic inches would be around 431.6 feet tall.
Recreational maths with 138898665472
- 138898665472 backwards is 274566898831
- The number of decimal digits it has is: 12
- The sum of 138898665472's digits is 67
- More coming soon!
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