21448013440
21,448,013,440 is an even composite number composed of four prime numbers multiplied together.
What does the number 21448013440 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 144 divisors.
21448013440 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 21448013440:
27 × 5 × 72 × 8272
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 827 × 827)See below for interesting mathematical facts about the number 21448013440 from the Numbermatics database.
Names of 21448013440
- Cardinal: 21448013440 can be written as Twenty-one billion, four hundred forty-eight million, thirteen thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.144801344 × 1010
Factors of 21448013440
Divisors of 21448013440
- 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 98 112 128 140 160 196 224 245 280 320 392 448 490 560 640 784 827 896 980 1120 1568 1654 1960 2240 3136 3308 3920 4135 4480 5789 6272 6616 7840 8270 11578 13232 15680 16540 23156 26464 28945 31360 33080 40523 46312 52928 57890 66160 81046 92624 105856 115780 132320 162092 185248 202615 231560 264640 324184 370496 405230 463120 529280 648368 683929 740992 810460 926240 1296736 1367858 1620920 1852480 2593472 2735716 3241840 3419645 3704960 4787503 5186944 5471432 6483680 6839290 9575006 10942864 12967360 13678580 19150012 21885728 23937515 25934720 27357160 33512521 38300024 43771456 47875030 54714320 67025042 76600048 87542912 95750060 109428640 134050084 153200096 167562605 191500120 218857280 268100168 306400192 335125210 383000240 437714560 536200336 612800384 670250420 766000480 1072400672 1340500840 1532000960 2144801344 2681001680 3064001920 4289602688 5362003360 10724006720 21448013440
- Sum of all divisors σ(n): 59717657970
- Sum of proper divisors (its aliquot sum) s(n): 38269644530
- 21448013440 is an abundant number, because the sum of its proper divisors (38269644530) is greater than itself. Its abundance is 16821631090
Bases of 21448013440
- Binary: 100111111100110011010110110100000002
- Hexadecimal: 0x4FE66B680
- Base-36: 9UPLD34
Squares and roots of 21448013440
- 21448013440 squared (214480134402) is 460017280522420633600
- 21448013440 cubed (214480134403) is 9866456815277127970786115584000
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The
square root of 21448013440 is 146451.4029977179 -
The
cube root of 21448013440 is 2778.4058904199
Scales and comparisons
How big is 21448013440?- 21,448,013,440 seconds is equal to 681 years, 50 weeks, 6 days, 21 hours, 30 minutes, 40 seconds.
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To count from 1 to 21,448,013,440 would take you about one thousand, three hundred sixty-three 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 21448013440 cubic inches would be around 231.5 feet tall.
Recreational maths with 21448013440
- 21448013440 backwards is 04431084412
- The number of decimal digits it has is: 11
- The sum of 21448013440's digits is 31
- More coming soon!
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