61409920
61,409,920 is an even composite number composed of five prime numbers multiplied together.
61409920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 61409920:
27 × 5 × 112 × 13 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 11 × 13 × 61)See below for interesting mathematical facts about the number 61409920 from the Numbermatics database.
Names of 61409920
- Cardinal: 61409920 can be written as Sixty-one million, four hundred nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 6.140992 × 107
Factors of 61409920
Divisors of 61409920
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 61 64 65 80 88 104 110 121 122 128 130 143 160 176 208 220 242 244 260 286 305 320 352 416 440 484 488 520 572 605 610 640 671 704 715 793 832 880 968 976 1040 1144 1210 1220 1342 1408 1430 1573 1586 1664 1760 1936 1952 2080 2288 2420 2440 2684 2860 3146 3172 3355 3520 3872 3904 3965 4160 4576 4840 4880 5368 5720 6292 6344 6710 7040 7381 7744 7808 7865 7930 8320 8723 9152 9680 9760 10736 11440 12584 12688 13420 14762 15488 15730 15860 17446 18304 19360 19520 21472 22880 25168 25376 26840 29524 31460 31720 34892 36905 38720 39040 42944 43615 45760 50336 50752 53680 59048 62920 63440 69784 73810 77440 85888 87230 91520 95953 100672 101504 107360 118096 125840 126880 139568 147620 174460 191906 201344 214720 236192 251680 253760 279136 295240 348920 383812 429440 472384 479765 503360 507520 558272 590480 697840 767624 944768 959530 1006720 1116544 1180960 1395680 1535248 1919060 2361920 2791360 3070496 3838120 4723840 5582720 6140992 7676240 12281984 15352480 30704960 61409920
- Sum of all divisors σ(n): 176629320
- Sum of proper divisors (its aliquot sum) s(n): 115219400
- 61409920 is an abundant number, because the sum of its proper divisors (115219400) is greater than itself. Its abundance is 53809480
Bases of 61409920
- Binary: 111010100100001010100000002
- Hexadecimal: 0x3A90A80
- Base-36: 10K874
Squares and roots of 61409920
- 61409920 squared (614099202) is 3771178274406400
- 61409920 cubed (614099203) is 231587756137035071488000
-
The
square root of 61409920 is 7836.4481750345 -
The
cube root of 61409920 is 394.5295258435
Scales and comparisons
How big is 61409920?- 61,409,920 seconds is equal to 1 year, 49 weeks, 3 days, 18 hours, 18 minutes, 40 seconds.
-
To count from 1 to 61,409,920 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 61409920 cubic inches would be around 32.9 feet tall.
Recreational maths with 61409920
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