21271338816
21,271,338,816 is an even composite number composed of six prime numbers multiplied together.
21271338816 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 21271338816:
26 × 3 × 7 × 13 × 967 × 1259
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 13 × 967 × 1259)See below for interesting mathematical facts about the number 21271338816 from the Numbermatics database.
Names of 21271338816
- Cardinal: 21271338816 can be written as Twenty-one billion, two hundred seventy-one million, three hundred thirty-eight thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 2.1271338816 × 1010
Factors of 21271338816
Divisors of 21271338816
- Number of divisors d(n): 224
-
Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 156 168 182 192 208 224 273 312 336 364 416 448 546 624 672 728 832 967 1092 1248 1259 1344 1456 1934 2184 2496 2518 2901 2912 3777 3868 4368 5036 5802 5824 6769 7554 7736 8736 8813 10072 11604 12571 13538 15108 15472 16367 17472 17626 20144 20307 23208 25142 26439 27076 30216 30944 32734 35252 37713 40288 40614 46416 49101 50284 52878 54152 60432 61888 65468 70504 75426 80576 81228 87997 92832 98202 100568 105756 108304 114569 120864 130936 141008 150852 162456 175994 185664 196404 201136 211512 216608 229138 241728 261872 263991 282016 301704 324912 343707 351988 392808 402272 423024 433216 458276 523744 527982 564032 603408 649824 687414 703976 785616 804544 846048 916552 1047488 1055964 1206816 1217453 1299648 1374828 1407952 1571232 1692096 1833104 2111928 2413632 2434906 2749656 2815904 3142464 3652359 3666208 4223856 4869812 5499312 5631808 7304718 7332416 8447712 8522171 9739624 10998624 14609436 15826889 16895424 17044342 19479248 21997248 25566513 29218872 31653778 34088684 38958496 47480667 51133026 58437744 63307556 68177368 77916992 94961334 102266052 110788223 116875488 126615112 136354736 189922668 204532104 221576446 233750976 253230224 272709472 332364669 379845336 409064208 443152892 506460448 545418944 664729338 759690672 818128416 886305784 1012920896 1329458676 1519381344 1636256832 1772611568 2658917352 3038762688 3545223136 5317834704 7090446272 10635669408 21271338816
- Sum of all divisors σ(n): 69394913280
- Sum of proper divisors (its aliquot sum) s(n): 48123574464
- 21271338816 is an abundant number, because the sum of its proper divisors (48123574464) is greater than itself. Its abundance is 26852235648
Bases of 21271338816
- Binary: 100111100111101111011011111010000002
- Hexadecimal: 0x4F3DEDF40
- Base-36: 9RSEM2O
Squares and roots of 21271338816
- 21271338816 squared (212713388162) is 452469855025068281856
- 21271338816 cubed (212713388163) is 9624639590264627596893961322496
-
The
square root of 21271338816 is 145846.9705410435 -
The
cube root of 21271338816 is 2770.7559534939
Scales and comparisons
How big is 21271338816?- 21,271,338,816 seconds is equal to 676 years, 18 weeks, 6 days, 1 hour, 13 minutes, 36 seconds.
-
To count from 1 to 21,271,338,816 would take you about one thousand, three hundred fifty-two 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 21271338816 cubic inches would be around 230.9 feet tall.
Recreational maths with 21271338816
- 21271338816 backwards is 61883317212
- 21271338816 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21271338816's digits is 42
- More coming soon!
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