1428798720
1,428,798,720 is an even composite number composed of five prime numbers multiplied together.
1428798720 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 1428798720:
28 × 3 × 5 × 271 × 1373
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 271 × 1373)See below for interesting mathematical facts about the number 1428798720 from the Numbermatics database.
Names of 1428798720
- Cardinal: 1428798720 can be written as One billion, four hundred twenty-eight million, seven hundred ninety-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.42879872 × 109
Factors of 1428798720
Divisors of 1428798720
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 271 320 384 480 542 640 768 813 960 1084 1280 1355 1373 1626 1920 2168 2710 2746 3252 3840 4065 4119 4336 5420 5492 6504 6865 8130 8238 8672 10840 10984 13008 13730 16260 16476 17344 20595 21680 21968 26016 27460 32520 32952 34688 41190 43360 43936 52032 54920 65040 65904 69376 82380 86720 87872 104064 109840 130080 131808 164760 173440 175744 208128 219680 260160 263616 329520 346880 351488 372083 439360 520320 527232 659040 744166 878720 1040640 1054464 1116249 1318080 1488332 1757440 1860415 2232498 2636160 2976664 3720830 4464996 5272320 5581245 5953328 7441660 8929992 11162490 11906656 14883320 17859984 22324980 23813312 29766640 35719968 44649960 47626624 59533280 71439936 89299920 95253248 119066560 142879872 178599840 238133120 285759744 357199680 476266240 714399360 1428798720
- Sum of all divisors σ(n): 4583400192
- Sum of proper divisors (its aliquot sum) s(n): 3154601472
- 1428798720 is an abundant number, because the sum of its proper divisors (3154601472) is greater than itself. Its abundance is 1725802752
Bases of 1428798720
- Binary: 10101010010100110111101000000002
- Hexadecimal: 0x5529BD00
- Base-36: NMO45C
Squares and roots of 1428798720
- 1428798720 squared (14287987202) is 2041465782273638400
- 1428798720 cubed (14287987203) is 2916843696636373235662848000
-
The
square root of 1428798720 is 37799.4539643101 -
The
cube root of 1428798720 is 1126.3076074571
Scales and comparisons
How big is 1428798720?- 1,428,798,720 seconds is equal to 45 years, 22 weeks, 3 days, 32 minutes.
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To count from 1 to 1,428,798,720 would take you about ninety 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 1428798720 cubic inches would be around 93.9 feet tall.
Recreational maths with 1428798720
- 1428798720 backwards is 0278978241
- 1428798720 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1428798720's digits is 48
- More coming soon!
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The information we have on file for 1428798720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 1428798720, math, Factors of 1428798720, curriculum, school, college, exams, university, Prime factorization of 1428798720, STEM, science, technology, engineering, physics, economics, calculator, one billion, four hundred twenty-eight million, seven hundred ninety-eight thousand, seven hundred twenty.