2189449720
2,189,449,720 is an even composite number composed of six prime numbers multiplied together.
2189449720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 2189449720:
23 × 5 × 17 × 71 × 101 × 449
(2 × 2 × 2 × 5 × 17 × 71 × 101 × 449)See below for interesting mathematical facts about the number 2189449720 from the Numbermatics database.
Names of 2189449720
- Cardinal: 2189449720 can be written as Two billion, one hundred eighty-nine million, four hundred forty-nine thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.18944972 × 109
Factors of 2189449720
Divisors of 2189449720
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 17 20 34 40 68 71 85 101 136 142 170 202 284 340 355 404 449 505 568 680 710 808 898 1010 1207 1420 1717 1796 2020 2245 2414 2840 3434 3592 4040 4490 4828 6035 6868 7171 7633 8585 8980 9656 12070 13736 14342 15266 17170 17960 24140 28684 30532 31879 34340 35855 38165 45349 48280 57368 61064 63758 68680 71710 76330 90698 121907 127516 143420 152660 159395 181396 226745 243814 255032 286840 305320 318790 362792 453490 487628 541943 609535 637580 770933 906980 975256 1083886 1219070 1275160 1541866 1813960 2167772 2438140 2709715 3083732 3219779 3854665 4335544 4876280 5419430 6167464 6439558 7709330 10838860 12879116 15418660 16098895 21677720 25758232 30837320 32197790 54736243 64395580 109472486 128791160 218944972 273681215 437889944 547362430 1094724860 2189449720
- Sum of all divisors σ(n): 5353776000
- Sum of proper divisors (its aliquot sum) s(n): 3164326280
- 2189449720 is an abundant number, because the sum of its proper divisors (3164326280) is greater than itself. Its abundance is 974876560
Bases of 2189449720
- Binary: 100000101000000001011001111110002
- Hexadecimal: 0x828059F8
- Base-36: 107JI7S
Squares and roots of 2189449720
- 2189449720 squared (21894497202) is 4793690076408078400
- 2189449720 cubed (21894497203) is 10495543395558445858618048000
-
The
square root of 2189449720 is 46791.5560758563 -
The
cube root of 2189449720 is 1298.5090836829
Scales and comparisons
How big is 2189449720?- 2,189,449,720 seconds is equal to 69 years, 32 weeks, 20 hours, 28 minutes, 40 seconds.
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To count from 1 to 2,189,449,720 would take you about one hundred thirty-nine 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 2189449720 cubic inches would be around 108.2 feet tall.
Recreational maths with 2189449720
- 2189449720 backwards is 0279449812
- The number of decimal digits it has is: 10
- The sum of 2189449720's digits is 46
- More coming soon!
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Keywords: Divisors of 2189449720, math, Factors of 2189449720, curriculum, school, college, exams, university, Prime factorization of 2189449720, STEM, science, technology, engineering, physics, economics, calculator, two billion, one hundred eighty-nine million, four hundred forty-nine thousand, seven hundred twenty.