66426240
66,426,240 is an even composite number composed of five prime numbers multiplied together.
66426240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 66426240:
27 × 3 × 5 × 29 × 1193
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 29 × 1193)See below for interesting mathematical facts about the number 66426240 from the Numbermatics database.
Names of 66426240
- Cardinal: 66426240 can be written as Sixty-six million, four hundred twenty-six thousand, two hundred forty.
Scientific notation
- Scientific notation: 6.642624 × 107
Factors of 66426240
Divisors of 66426240
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 128 145 160 174 192 232 240 290 320 348 384 435 464 480 580 640 696 870 928 960 1160 1193 1392 1740 1856 1920 2320 2386 2784 3480 3579 3712 4640 4772 5568 5965 6960 7158 9280 9544 11136 11930 13920 14316 17895 18560 19088 23860 27840 28632 34597 35790 38176 47720 55680 57264 69194 71580 76352 95440 103791 114528 138388 143160 152704 172985 190880 207582 229056 276776 286320 345970 381760 415164 458112 518955 553552 572640 691940 763520 830328 1037910 1107104 1145280 1383880 1660656 2075820 2214208 2290560 2767760 3321312 4151640 4428416 5535520 6642624 8303280 11071040 13285248 16606560 22142080 33213120 66426240
- Sum of all divisors σ(n): 219218400
- Sum of proper divisors (its aliquot sum) s(n): 152792160
- 66426240 is an abundant number, because the sum of its proper divisors (152792160) is greater than itself. Its abundance is 86365920
Bases of 66426240
- Binary: 111111010110010101100000002
- Hexadecimal: 0x3F59580
- Base-36: 13JQTC
Squares and roots of 66426240
- 66426240 squared (664262402) is 4412445360537600
- 66426240 cubed (664262403) is 293102154505957146624000
-
The
square root of 66426240 is 8150.2294446233 -
The
cube root of 66426240 is 404.9921047081
Scales and comparisons
How big is 66426240?- 66,426,240 seconds is equal to 2 years, 5 weeks, 5 days, 19 hours, 44 minutes.
-
To count from 1 to 66,426,240 would take you about 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 66426240 cubic inches would be around 33.7 feet tall.
Recreational maths with 66426240
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