51397944390
51,397,944,390 is an even composite number composed of seven prime numbers multiplied together.
51397944390 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 51397944390:
2 × 33 × 5 × 13 × 29 × 73 × 6917
(2 × 3 × 3 × 3 × 5 × 13 × 29 × 73 × 6917)See below for interesting mathematical facts about the number 51397944390 from the Numbermatics database.
Names of 51397944390
- Cardinal: 51397944390 can be written as Fifty-one billion, three hundred ninety-seven million, nine hundred forty-four thousand, three hundred ninety.
Scientific notation
- Scientific notation: 5.139794439 × 1010
Factors of 51397944390
Divisors of 51397944390
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 27 29 30 39 45 54 58 65 73 78 87 90 117 130 135 145 146 174 195 219 234 261 270 290 351 365 377 390 435 438 522 585 657 702 730 754 783 870 949 1095 1131 1170 1305 1314 1566 1755 1885 1898 1971 2117 2190 2262 2610 2847 3285 3393 3510 3770 3915 3942 4234 4745 5655 5694 6351 6570 6786 6917 7830 8541 9490 9855 10179 10585 11310 12702 13834 14235 16965 17082 19053 19710 20358 20751 21170 25623 27521 28470 31755 33930 34585 38106 41502 42705 50895 51246 55042 57159 62253 63510 69170 82563 85410 89921 95265 101790 103755 114318 124506 128115 137605 165126 179842 186759 190530 200593 207510 247689 256230 269763 275210 285795 311265 373518 401186 412815 449605 495378 504941 539526 571590 601779 622530 743067 809289 825630 899210 933795 1002965 1009882 1203558 1238445 1348815 1486134 1514823 1618578 1805337 1867590 2005930 2427867 2476890 2524705 2607709 2697630 3008895 3029646 3610674 3715335 4046445 4544469 4855734 5049410 5215418 5416011 6017790 6564233 7430670 7574115 7823127 8092890 9026685 9088938 10832022 12139335 13038545 13128466 13633407 14643289 15148230 15646254 18053370 19692699 22722345 23469381 24278670 26077090 27080055 27266814 29286578 32821165 39115635 39385398 43929867 45444690 46938762 54160110 59078097 65642330 68167035 70408143 73216445 78231270 87859734 98463495 117346905 118156194 131789601 136334070 140816286 146432890 177234291 190362757 196926990 219649335 234693810 263579202 295390485 352040715 354468582 380725514 395368803 439298670 571088271 590780970 658948005 704081430 790737606 886171455 951813785 1142176542 1317896010 1713264813 1772342910 1903627570 1976844015 2855441355 3426529626 3953688030 5139794439 5710882710 8566324065 10279588878 17132648130 25698972195 51397944390
- Sum of all divisors σ(n): 154808236800
- Sum of proper divisors (its aliquot sum) s(n): 103410292410
- 51397944390 is an abundant number, because the sum of its proper divisors (103410292410) is greater than itself. Its abundance is 52012348020
Bases of 51397944390
- Binary: 1011111101111000111001100100010001102
- Hexadecimal: 0xBF78E6446
- Base-36: NM10BPI
Squares and roots of 51397944390
- 51397944390 squared (513979443902) is 2641748687517532472100
- 51397944390 cubed (513979443903) is 135780452133381621151015026519000
-
The
square root of 51397944390 is 226711.1474762545 -
The
cube root of 51397944390 is 3718.0502074069
Scales and comparisons
How big is 51397944390?- 51,397,944,390 seconds is equal to 1,634 years, 15 weeks, 2 days, 14 hours, 46 minutes, 30 seconds.
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To count from 1 to 51,397,944,390 would take you about three thousand, two hundred sixty-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 51397944390 cubic inches would be around 309.8 feet tall.
Recreational maths with 51397944390
- 51397944390 backwards is 09344979315
- 51397944390 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 51397944390's digits is 54
- More coming soon!
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