121389072
121,389,072 is an even composite number composed of five prime numbers multiplied together.
121389072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 121389072:
24 × 3 × 73 × 73 × 101
(2 × 2 × 2 × 2 × 3 × 7 × 7 × 7 × 73 × 101)See below for interesting mathematical facts about the number 121389072 from the Numbermatics database.
Names of 121389072
- Cardinal: 121389072 can be written as One hundred twenty-one million, three hundred eighty-nine thousand and seventy-two.
Scientific notation
- Scientific notation: 1.21389072 × 108
Factors of 121389072
Divisors of 121389072
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 73 84 98 101 112 146 147 168 196 202 219 292 294 303 336 343 392 404 438 511 584 588 606 686 707 784 808 876 1022 1029 1168 1176 1212 1372 1414 1533 1616 1752 2044 2058 2121 2352 2424 2744 2828 3066 3504 3577 4088 4116 4242 4848 4949 5488 5656 6132 7154 7373 8176 8232 8484 9898 10731 11312 12264 14308 14746 14847 16464 16968 19796 21462 22119 24528 25039 28616 29492 29694 33936 34643 39592 42924 44238 50078 51611 57232 58984 59388 69286 75117 79184 85848 88476 100156 103222 103929 117968 118776 138572 150234 154833 171696 176952 200312 206444 207858 237552 277144 300468 309666 353904 361277 400624 412888 415716 554288 600936 619332 722554 825776 831432 1083831 1201872 1238664 1445108 1662864 2167662 2477328 2528939 2890216 4335324 5057878 5780432 7586817 8670648 10115756 15173634 17341296 20231512 30347268 40463024 60694536 121389072
- Sum of all divisors σ(n): 374380800
- Sum of proper divisors (its aliquot sum) s(n): 252991728
- 121389072 is an abundant number, because the sum of its proper divisors (252991728) is greater than itself. Its abundance is 131602656
Bases of 121389072
- Binary: 1110011110001000000000100002
- Hexadecimal: 0x73C4010
- Base-36: 209SEO
Squares and roots of 121389072
- 121389072 squared (1213890722) is 14735306801021184
- 121389072 cubed (1213890723) is 1788705218211250178101248
-
The
square root of 121389072 is 11017.6708972453 -
The
cube root of 121389072 is 495.1383104983
Scales and comparisons
How big is 121389072?- 121,389,072 seconds is equal to 3 years, 44 weeks, 4 days, 23 hours, 11 minutes, 12 seconds.
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To count from 1 to 121,389,072 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 121389072 cubic inches would be around 41.3 feet tall.
Recreational maths with 121389072
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