51161220
51,161,220 is an even composite number composed of five prime numbers multiplied together.
51161220 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 51161220:
22 × 36 × 5 × 112 × 29
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 11 × 11 × 29)See below for interesting mathematical facts about the number 51161220 from the Numbermatics database.
Names of 51161220
- Cardinal: 51161220 can be written as Fifty-one million, one hundred sixty-one thousand, two hundred twenty.
Scientific notation
- Scientific notation: 5.116122 × 107
Factors of 51161220
Divisors of 51161220
- Number of divisors d(n): 252
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 29 30 33 36 44 45 54 55 58 60 66 81 87 90 99 108 110 116 121 132 135 145 162 165 174 180 198 220 242 243 261 270 290 297 319 324 330 348 363 396 405 435 484 486 495 522 540 580 594 605 638 660 726 729 783 810 870 891 957 972 990 1044 1089 1188 1210 1215 1276 1305 1452 1458 1485 1566 1595 1620 1740 1782 1815 1914 1980 2178 2349 2420 2430 2610 2673 2871 2916 2970 3132 3190 3267 3509 3564 3630 3645 3828 3915 4356 4455 4698 4785 4860 5220 5346 5445 5742 5940 6380 6534 7018 7047 7260 7290 7830 8019 8613 8910 9396 9570 9801 10527 10692 10890 11484 11745 13068 13365 14036 14094 14355 14580 15660 16038 16335 17226 17545 17820 19140 19602 21054 21141 21780 23490 25839 26730 28188 28710 29403 31581 32076 32670 34452 35090 35235 39204 40095 42108 42282 43065 46980 49005 51678 52635 53460 57420 58806 63162 65340 70180 70470 77517 80190 84564 86130 88209 94743 98010 103356 105270 105705 117612 126324 129195 140940 147015 155034 157905 160380 172260 176418 189486 196020 210540 211410 232551 258390 284229 294030 310068 315810 352836 378972 387585 422820 441045 465102 473715 516780 568458 588060 631620 775170 852687 882090 930204 947430 1136916 1162755 1421145 1550340 1705374 1764180 1894860 2325510 2558061 2842290 3410748 4263435 4651020 5116122 5684580 8526870 10232244 12790305 17053740 25580610 51161220
- Sum of all divisors σ(n): 183164940
- Sum of proper divisors (its aliquot sum) s(n): 132003720
- 51161220 is an abundant number, because the sum of its proper divisors (132003720) is greater than itself. Its abundance is 80842500
Bases of 51161220
- Binary: 110000110010101000100001002
- Hexadecimal: 0x30CA884
- Base-36: UGK90
Squares and roots of 51161220
- 51161220 squared (511612202) is 2617470431888400
- 51161220 cubed (511612203) is 133912980609337447848000
-
The
square root of 51161220 is 7152.7071798027 -
The
cube root of 51161220 is 371.2333325851
Scales and comparisons
How big is 51161220?- 51,161,220 seconds is equal to 1 year, 32 weeks, 4 days, 3 hours, 27 minutes.
-
To count from 1 to 51,161,220 would take you about 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 51161220 cubic inches would be around 30.9 feet tall.
Recreational maths with 51161220
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