121545216
121,545,216 is an even composite number composed of four prime numbers multiplied together.
121545216 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 121545216:
29 × 32 × 13 × 2029
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 2029)See below for interesting mathematical facts about the number 121545216 from the Numbermatics database.
Names of 121545216
- Cardinal: 121545216 can be written as One hundred twenty-one million, five hundred forty-five thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 1.21545216 × 108
Factors of 121545216
Divisors of 121545216
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 256 288 312 384 416 468 512 576 624 768 832 936 1152 1248 1536 1664 1872 2029 2304 2496 3328 3744 4058 4608 4992 6087 6656 7488 8116 9984 12174 14976 16232 18261 19968 24348 26377 29952 32464 36522 48696 52754 59904 64928 73044 79131 97392 105508 129856 146088 158262 194784 211016 237393 259712 292176 316524 389568 422032 474786 519424 584352 633048 779136 844064 949572 1038848 1168704 1266096 1558272 1688128 1899144 2337408 2532192 3116544 3376256 3798288 4674816 5064384 6752512 7596576 9349632 10128768 13505024 15193152 20257536 30386304 40515072 60772608 121545216
- Sum of all divisors σ(n): 377957580
- Sum of proper divisors (its aliquot sum) s(n): 256412364
- 121545216 is an abundant number, because the sum of its proper divisors (256412364) is greater than itself. Its abundance is 134867148
Bases of 121545216
- Binary: 1110011111010100010000000002
- Hexadecimal: 0x73EA200
- Base-36: 20D4W0
Squares and roots of 121545216
- 121545216 squared (1215452162) is 14773239532486656
- 121545216 cubed (1215452163) is 1795616589995829620637696
-
The
square root of 121545216 is 11024.7546911485 -
The
cube root of 121545216 is 495.3505200197
Scales and comparisons
How big is 121545216?- 121,545,216 seconds is equal to 3 years, 44 weeks, 6 days, 18 hours, 33 minutes, 36 seconds.
-
To count from 1 to 121,545,216 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 121545216 cubic inches would be around 41.3 feet tall.
Recreational maths with 121545216
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