428001280
428,001,280 is an even composite number composed of four prime numbers multiplied together.
428001280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 428001280:
211 × 5 × 72 × 853
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 853)See below for interesting mathematical facts about the number 428001280 from the Numbermatics database.
Names of 428001280
- Cardinal: 428001280 can be written as Four hundred twenty-eight million, one thousand, two hundred eighty.
Scientific notation
- Scientific notation: 4.2800128 × 108
Factors of 428001280
Divisors of 428001280
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 256 280 320 392 448 490 512 560 640 784 853 896 980 1024 1120 1280 1568 1706 1792 1960 2048 2240 2560 3136 3412 3584 3920 4265 4480 5120 5971 6272 6824 7168 7840 8530 8960 10240 11942 12544 13648 14336 15680 17060 17920 23884 25088 27296 29855 31360 34120 35840 41797 47768 50176 54592 59710 62720 68240 71680 83594 95536 100352 109184 119420 125440 136480 167188 191072 208985 218368 238840 250880 272960 334376 382144 417970 436736 477680 501760 545920 668752 764288 835940 873472 955360 1091840 1337504 1528576 1671880 1746944 1910720 2183680 2675008 3057152 3343760 3821440 4367360 5350016 6114304 6687520 7642880 8734720 10700032 12228608 13375040 15285760 21400064 26750080 30571520 42800128 53500160 61143040 85600256 107000320 214000640 428001280
- Sum of all divisors σ(n): 1196018460
- Sum of proper divisors (its aliquot sum) s(n): 768017180
- 428001280 is an abundant number, because the sum of its proper divisors (768017180) is greater than itself. Its abundance is 340015900
Bases of 428001280
- Binary: 110011000001011001000000000002
- Hexadecimal: 0x1982C800
- Base-36: 72TJWG
Squares and roots of 428001280
- 428001280 squared (4280012802) is 183185095681638400
- 428001280 cubed (4280012803) is 78403455428663707697152000
-
The
square root of 428001280 is 20688.1918011217 -
The
cube root of 428001280 is 753.6129556029
Scales and comparisons
How big is 428001280?- 428,001,280 seconds is equal to 13 years, 31 weeks, 4 days, 17 hours, 14 minutes, 40 seconds.
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To count from 1 to 428,001,280 would take you about twenty 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 428001280 cubic inches would be around 62.8 feet tall.
Recreational maths with 428001280
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