13215827394
13,215,827,394 is an even composite number composed of seven prime numbers multiplied together.
What does the number 13215827394 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 288 divisors.
13215827394 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 13215827394:
2 × 32 × 7 × 112 × 29 × 71 × 421
(2 × 3 × 3 × 7 × 11 × 11 × 29 × 71 × 421)See below for interesting mathematical facts about the number 13215827394 from the Numbermatics database.
Names of 13215827394
- Cardinal: 13215827394 can be written as Thirteen billion, two hundred fifteen million, eight hundred twenty-seven thousand, three hundred ninety-four.
Scientific notation
- Scientific notation: 1.3215827394 × 1010
Factors of 13215827394
Divisors of 13215827394
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 6 7 9 11 14 18 21 22 29 33 42 58 63 66 71 77 87 99 121 126 142 154 174 198 203 213 231 242 261 319 363 406 421 426 462 497 522 609 638 639 693 726 781 842 847 957 994 1089 1218 1263 1278 1386 1491 1562 1694 1827 1914 2059 2178 2233 2343 2526 2541 2871 2947 2982 3509 3654 3789 4118 4466 4473 4631 4686 5082 5467 5742 5894 6177 6699 7018 7029 7578 7623 8591 8841 8946 9262 10527 10934 12209 12354 13398 13893 14058 14413 15246 16401 17182 17682 18531 20097 21054 22649 24418 24563 25773 26523 27786 28826 29891 31581 32417 32802 36627 37062 40194 41679 43239 45298 49126 49203 50941 51546 53046 59782 60137 63162 64834 67947 73254 73689 77319 83358 85463 86478 89673 97251 98406 101882 109881 120274 129717 134299 135894 147378 152823 154638 158543 170926 179346 180411 194502 203841 209237 219762 221067 249139 256389 259434 268598 269019 291753 305646 317086 328801 356587 360822 402897 407682 418474 442134 458469 475629 498278 512778 538038 541233 583506 627711 657602 713174 747417 769167 805794 866839 916938 940093 951258 986403 1069761 1082466 1208691 1255422 1426887 1477289 1494834 1538334 1733678 1743973 1880186 1883133 1972806 2139522 2242251 2301607 2417382 2600517 2820279 2853774 2954578 2959209 3209283 3487946 3616811 3766266 4431867 4484502 4603214 5201034 5231919 5640558 5918418 6067873 6418566 6904821 7233622 7801551 8460837 8863734 9535229 10341023 10463838 10850433 12135746 13295601 13809642 15603102 15695757 16921674 18203619 19070458 20682046 20714463 21700866 25317677 26591202 28605687 31023069 31391514 32551299 36407238 41428926 50635354 54610857 57211374 62046138 65102598 66746603 75953031 85817061 93069207 104887519 109221714 133493206 151906062 171634122 186138414 200239809 209775038 227859093 314662557 400479618 455718186 600719427 629325114 734212633 943987671 1201438854 1468425266 1887975342 2202637899 4405275798 6607913697 13215827394
- Sum of all divisors σ(n): 37824433920
- Sum of proper divisors (its aliquot sum) s(n): 24608606526
- 13215827394 is an abundant number, because the sum of its proper divisors (24608606526) is greater than itself. Its abundance is 11392779132
Bases of 13215827394
- Binary: 11000100111011100110000101110000102
- Hexadecimal: 0x313B985C2
- Base-36: 62KD1OI
Squares and roots of 13215827394
- 13215827394 squared (132158273942) is 174658093708000831236
- 13215827394 cubed (132158273943) is 2308251219410016422423499678984
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The
square root of 13215827394 is 114960.1121867929 -
The
cube root of 13215827394 is 2364.2757039281
Scales and comparisons
How big is 13215827394?- 13,215,827,394 seconds is equal to 420 years, 11 weeks, 3 days, 23 hours, 9 minutes, 54 seconds.
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To count from 1 to 13,215,827,394 would take you about eight hundred forty 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 13215827394 cubic inches would be around 197 feet tall.
Recreational maths with 13215827394
- 13215827394 backwards is 49372851231
- The number of decimal digits it has is: 11
- The sum of 13215827394's digits is 45
- More coming soon!
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