121689216
121,689,216 is an even composite number composed of four prime numbers multiplied together.
121689216 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 121689216:
27 × 34 × 112 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 11 × 11 × 97)See below for interesting mathematical facts about the number 121689216 from the Numbermatics database.
Names of 121689216
- Cardinal: 121689216 can be written as One hundred twenty-one million, six hundred eighty-nine thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 1.21689216 × 108
Factors of 121689216
Divisors of 121689216
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 88 96 97 99 108 121 128 132 144 162 176 192 194 198 216 242 264 288 291 297 324 352 363 384 388 396 432 484 528 576 582 594 648 704 726 776 792 864 873 891 968 1056 1067 1089 1152 1164 1188 1296 1408 1452 1552 1584 1728 1746 1782 1936 2112 2134 2178 2328 2376 2592 2619 2904 3104 3168 3201 3267 3456 3492 3564 3872 4224 4268 4356 4656 4752 5184 5238 5808 6208 6336 6402 6534 6984 7128 7744 7857 8536 8712 9312 9504 9603 9801 10368 10476 11616 11737 12416 12672 12804 13068 13968 14256 15488 15714 17072 17424 18624 19008 19206 19602 20952 23232 23474 25608 26136 27936 28512 28809 31428 34144 34848 35211 37248 38016 38412 39204 41904 46464 46948 51216 52272 55872 57024 57618 62856 68288 69696 70422 76824 78408 83808 86427 93896 102432 104544 105633 111744 114048 115236 125712 136576 139392 140844 153648 156816 167616 172854 187792 204864 209088 211266 230472 251424 281688 307296 313632 316899 335232 345708 375584 409728 418176 422532 460944 502848 563376 614592 627264 633798 691416 751168 845064 921888 950697 1005696 1126752 1229184 1254528 1267596 1382832 1502336 1690128 1843776 1901394 2253504 2535192 2765664 3380256 3687552 3802788 4507008 5070384 5531328 6760512 7605576 10140768 11062656 13521024 15211152 20281536 30422304 40563072 60844608 121689216
- Sum of all divisors σ(n): 402164070
- Sum of proper divisors (its aliquot sum) s(n): 280474854
- 121689216 is an abundant number, because the sum of its proper divisors (280474854) is greater than itself. Its abundance is 158785638
Bases of 121689216
- Binary: 1110100000011010100100000002
- Hexadecimal: 0x740D480
- Base-36: 20G800
Squares and roots of 121689216
- 121689216 squared (1216892162) is 14808265290694656
- 121689216 cubed (1216892163) is 1802006193544644784029696
-
The
square root of 121689216 is 11031.2835155297 -
The
cube root of 121689216 is 495.5460640493
Scales and comparisons
How big is 121689216?- 121,689,216 seconds is equal to 3 years, 45 weeks, 1 day, 10 hours, 33 minutes, 36 seconds.
-
To count from 1 to 121,689,216 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 121689216 cubic inches would be around 41.3 feet tall.
Recreational maths with 121689216
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