27991293440
27,991,293,440 is an even composite number composed of four prime numbers multiplied together.
27991293440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 27991293440:
29 × 5 × 11 × 9972
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 997 × 997)See below for interesting mathematical facts about the number 27991293440 from the Numbermatics database.
Names of 27991293440
- Cardinal: 27991293440 can be written as Twenty-seven billion, nine hundred ninety-one million, two hundred ninety-three thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.799129344 × 1010
Factors of 27991293440
Divisors of 27991293440
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 256 320 352 440 512 640 704 880 997 1280 1408 1760 1994 2560 2816 3520 3988 4985 5632 7040 7976 9970 10967 14080 15952 19940 21934 28160 31904 39880 43868 54835 63808 79760 87736 109670 127616 159520 175472 219340 255232 319040 350944 438680 510464 638080 701888 877360 994009 1276160 1403776 1754720 1988018 2552320 2807552 3509440 3976036 4970045 5615104 7018880 7952072 9940090 10934099 14037760 15904144 19880180 21868198 28075520 31808288 39760360 43736396 54670495 63616576 79520720 87472792 109340990 127233152 159041440 174945584 218681980 254466304 318082880 349891168 437363960 508932608 636165760 699782336 874727920 1272331520 1399564672 1749455840 2544663040 2799129344 3498911680 5598258688 6997823360 13995646720 27991293440
- Sum of all divisors σ(n): 73288235592
- Sum of proper divisors (its aliquot sum) s(n): 45296942152
- 27991293440 is an abundant number, because the sum of its proper divisors (45296942152) is greater than itself. Its abundance is 17305648712
Bases of 27991293440
- Binary: 110100001000110100100111110000000002
- Hexadecimal: 0x684693E00
- Base-36: CUXAK8W
Squares and roots of 27991293440
- 27991293440 squared (279912934402) is 783512508444187033600
- 27991293440 cubed (279912934403) is 21931528537771717119740739584000
-
The
square root of 27991293440 is 167305.9874601025 -
The
cube root of 27991293440 is 3036.2741982463
Scales and comparisons
How big is 27991293440?- 27,991,293,440 seconds is equal to 890 years, 1 week, 6 days, 7 hours, 17 minutes, 20 seconds.
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To count from 1 to 27,991,293,440 would take you about one thousand, seven hundred eighty 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 27991293440 cubic inches would be around 253 feet tall.
Recreational maths with 27991293440
- 27991293440 backwards is 04439219972
- The number of decimal digits it has is: 11
- The sum of 27991293440's digits is 50
- More coming soon!
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Keywords: Divisors of 27991293440, math, Factors of 27991293440, curriculum, school, college, exams, university, Prime factorization of 27991293440, STEM, science, technology, engineering, physics, economics, calculator, twenty-seven billion, nine hundred ninety-one million, two hundred ninety-three thousand, four hundred forty.