121485420
121,485,420 is an even composite number composed of five prime numbers multiplied together.
121485420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 121485420:
22 × 35 × 5 × 7 × 3571
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 3571)See below for interesting mathematical facts about the number 121485420 from the Numbermatics database.
Names of 121485420
- Cardinal: 121485420 can be written as One hundred twenty-one million, four hundred eighty-five thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.2148542 × 108
Factors of 121485420
Divisors of 121485420
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 243 252 270 315 324 378 405 420 486 540 567 630 756 810 945 972 1134 1215 1260 1620 1701 1890 2268 2430 2835 3402 3571 3780 4860 5670 6804 7142 8505 10713 11340 14284 17010 17855 21426 24997 32139 34020 35710 42852 49994 53565 64278 71420 74991 96417 99988 107130 124985 128556 149982 160695 192834 214260 224973 249970 289251 299964 321390 374955 385668 449946 482085 499940 578502 642780 674919 749910 867753 899892 964170 1124865 1157004 1349838 1446255 1499820 1735506 1928340 2024757 2249730 2699676 2892510 3374595 3471012 4049514 4338765 4499460 5785020 6074271 6749190 8099028 8677530 10123785 12148542 13498380 17355060 20247570 24297084 30371355 40495140 60742710 121485420
- Sum of all divisors σ(n): 436869888
- Sum of proper divisors (its aliquot sum) s(n): 315384468
- 121485420 is an abundant number, because the sum of its proper divisors (315384468) is greater than itself. Its abundance is 193899048
Bases of 121485420
- Binary: 1110011110110111000011011002
- Hexadecimal: 0x73DB86C
- Base-36: 20BUR0
Squares and roots of 121485420
- 121485420 squared (1214854202) is 14758707272576400
- 121485420 cubed (1214854203) is 1792967751665998436088000
-
The
square root of 121485420 is 11022.0424604517 -
The
cube root of 121485420 is 495.2692749781
Scales and comparisons
How big is 121485420?- 121,485,420 seconds is equal to 3 years, 44 weeks, 6 days, 1 hour, 57 minutes.
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To count from 1 to 121,485,420 would take you about five 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 121485420 cubic inches would be around 41.3 feet tall.
Recreational maths with 121485420
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