121221492
121,221,492 is an even composite number composed of six prime numbers multiplied together.
121221492 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 121221492:
22 × 3 × 72 × 17 × 67 × 181
(2 × 2 × 3 × 7 × 7 × 17 × 67 × 181)See below for interesting mathematical facts about the number 121221492 from the Numbermatics database.
Names of 121221492
- Cardinal: 121221492 can be written as One hundred twenty-one million, two hundred twenty-one thousand, four hundred ninety-two.
Scientific notation
- Scientific notation: 1.21221492 × 108
Factors of 121221492
Divisors of 121221492
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 12 14 17 21 28 34 42 49 51 67 68 84 98 102 119 134 147 181 196 201 204 238 268 294 357 362 402 469 476 543 588 714 724 804 833 938 1086 1139 1267 1407 1428 1666 1876 2172 2278 2499 2534 2814 3077 3283 3332 3417 3801 4556 4998 5068 5628 6154 6566 6834 7602 7973 8869 9231 9849 9996 12127 12308 13132 13668 15204 15946 17738 18462 19698 21539 23919 24254 26607 31892 35476 36381 36924 39396 43078 47838 48508 53214 55811 64617 72762 84889 86156 95676 106428 111622 129234 145524 150773 167433 169778 206159 223244 254667 258468 301546 334866 339556 412318 452319 509334 594223 603092 618477 669732 824636 904638 1018668 1188446 1236954 1443113 1782669 1809276 2376892 2473908 2886226 3565338 4329339 5772452 7130676 8658678 10101791 17317356 20203582 30305373 40407164 60610746 121221492
- Sum of all divisors σ(n): 355537728
- Sum of proper divisors (its aliquot sum) s(n): 234316236
- 121221492 is an abundant number, because the sum of its proper divisors (234316236) is greater than itself. Its abundance is 113094744
Bases of 121221492
- Binary: 1110011100110110001011101002
- Hexadecimal: 0x739B174
- Base-36: 20673O
Squares and roots of 121221492
- 121221492 squared (1212214922) is 14694650122706064
- 121221492 cubed (1212214923) is 1781307412292412155527488
-
The
square root of 121221492 is 11010.0632150773 -
The
cube root of 121221492 is 494.9103561775
Scales and comparisons
How big is 121221492?- 121,221,492 seconds is equal to 3 years, 44 weeks, 3 days, 38 minutes, 12 seconds.
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To count from 1 to 121,221,492 would take you about five 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 121221492 cubic inches would be around 41.2 feet tall.
Recreational maths with 121221492
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