138278611890
138,278,611,890 is an even composite number composed of seven prime numbers multiplied together.
138278611890 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138278611890:
2 × 33 × 5 × 61 × 113 × 191 × 389
(2 × 3 × 3 × 3 × 5 × 61 × 113 × 191 × 389)See below for interesting mathematical facts about the number 138278611890 from the Numbermatics database.
Names of 138278611890
- Cardinal: 138278611890 can be written as One hundred thirty-eight billion, two hundred seventy-eight million, six hundred eleven thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.3827861189 × 1011
Factors of 138278611890
Divisors of 138278611890
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 54 61 90 113 122 135 183 191 226 270 305 339 366 382 389 549 565 573 610 678 778 915 955 1017 1098 1130 1146 1167 1647 1695 1719 1830 1910 1945 2034 2334 2745 2865 3051 3294 3390 3438 3501 3890 5085 5157 5490 5730 5835 6102 6893 7002 8235 8595 10170 10314 10503 11651 11670 13786 15255 16470 17190 17505 20679 21006 21583 23302 23729 25785 30510 34465 34953 35010 41358 43166 43957 47458 51570 52515 58255 62037 64749 68930 69906 71187 74299 87914 103395 104859 105030 107915 116510 118645 124074 129498 131871 142374 148598 174765 186111 194247 206790 209718 213561 215830 219785 222897 237290 263742 310185 314577 323745 349530 355935 371495 372222 388494 395613 427122 439570 445794 524295 582741 620370 629154 640683 647490 659355 668691 711870 742990 791226 930555 971235 1048590 1067805 1114485 1165482 1186839 1281366 1316563 1318710 1337382 1572885 1861110 1942470 1978065 2006073 2135610 2228970 2373678 2633126 2681377 2913705 3145770 3203415 3343455 3949689 3956130 4012146 4532239 5362754 5827410 5934195 6406830 6582815 6686910 7899378 8044131 8395787 9064478 10030365 11849067 11868390 13165630 13406885 13596717 16088262 16791574 19748445 20060730 22661195 23698134 24132393 25187361 26813770 27193434 35547201 39496890 40220655 40790151 41978935 45322390 48264786 50374722 59245335 67983585 71094402 72397179 75562083 80441310 81580302 83957870 118490670 120661965 122370453 125936805 135967170 144794358 151124166 177736005 203950755 226686249 241323930 244740906 251873610 355472010 361985895 377810415 407901510 453372498 512143007 611852265 723971790 755620830 1024286014 1133431245 1223704530 1536429021 2266862490 2560715035 3072858042 4609287063 5121430070 7682145105 9218574126 13827861189 15364290210 23046435315 27655722378 46092870630 69139305945 138278611890
- Sum of all divisors σ(n): 381061324800
- Sum of proper divisors (its aliquot sum) s(n): 242782712910
- 138278611890 is an abundant number, because the sum of its proper divisors (242782712910) is greater than itself. Its abundance is 104504101020
Bases of 138278611890
- Binary: 100000001100100000110000101011101100102
- Hexadecimal: 0x20320C2BB2
- Base-36: 1RIVIJSI
Squares and roots of 138278611890
- 138278611890 squared (1382786118902) is 19120974506225249372100
- 138278611890 cubed (1382786118903) is 2644021812704905646843082094269000
-
The
square root of 138278611890 is 371858.3223352679 -
The
cube root of 138278611890 is 5171.1246163281
Scales and comparisons
How big is 138278611890?- 138,278,611,890 seconds is equal to 4,396 years, 43 weeks, 1 day, 21 hours, 31 minutes, 30 seconds.
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To count from 1 to 138,278,611,890 would take you about eight thousand, seven hundred ninety-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 138278611890 cubic inches would be around 430.9 feet tall.
Recreational maths with 138278611890
- 138278611890 backwards is 098116872831
- 138278611890 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138278611890's digits is 54
- More coming soon!
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