61390400
61,390,400 is an even composite number composed of five prime numbers multiplied together.
61390400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 61390400:
26 × 52 × 17 × 37 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 17 × 37 × 61)See below for interesting mathematical facts about the number 61390400 from the Numbermatics database.
Names of 61390400
- Cardinal: 61390400 can be written as Sixty-one million, three hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 6.13904 × 107
Factors of 61390400
Divisors of 61390400
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 32 34 37 40 50 61 64 68 74 80 85 100 122 136 148 160 170 185 200 244 272 296 305 320 340 370 400 425 488 544 592 610 629 680 740 800 850 925 976 1037 1088 1184 1220 1258 1360 1480 1525 1600 1700 1850 1952 2074 2257 2368 2440 2516 2720 2960 3050 3145 3400 3700 3904 4148 4514 4880 5032 5185 5440 5920 6100 6290 6800 7400 8296 9028 9760 10064 10370 11285 11840 12200 12580 13600 14800 15725 16592 18056 19520 20128 20740 22570 24400 25160 25925 27200 29600 31450 33184 36112 38369 40256 41480 45140 48800 50320 51850 56425 59200 62900 66368 72224 76738 82960 90280 97600 100640 103700 112850 125800 144448 153476 165920 180560 191845 201280 207400 225700 251600 306952 331840 361120 383690 414800 451400 503200 613904 722240 767380 829600 902800 959225 1006400 1227808 1534760 1659200 1805600 1918450 2455616 3069520 3611200 3836900 6139040 7673800 12278080 15347600 30695200 61390400
- Sum of all divisors σ(n): 166960296
- Sum of proper divisors (its aliquot sum) s(n): 105569896
- 61390400 is an abundant number, because the sum of its proper divisors (105569896) is greater than itself. Its abundance is 44179496
Bases of 61390400
- Binary: 111010100010111110010000002
- Hexadecimal: 0x3A8BE40
- Base-36: 10JT4W
Squares and roots of 61390400
- 61390400 squared (613904002) is 3768781212160000
- 61390400 cubed (613904003) is 231366986126987264000000
-
The
square root of 61390400 is 7835.2026138447 -
The
cube root of 61390400 is 394.4877191753
Scales and comparisons
How big is 61390400?- 61,390,400 seconds is equal to 1 year, 49 weeks, 3 days, 12 hours, 53 minutes, 20 seconds.
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To count from 1 to 61,390,400 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 61390400 cubic inches would be around 32.9 feet tall.
Recreational maths with 61390400
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