121425920
121,425,920 is an even composite number composed of four prime numbers multiplied together.
121425920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred thirty-four divisors.
Prime factorization of 121425920:
212 × 5 × 72 × 112
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 11 × 11)See below for interesting mathematical facts about the number 121425920 from the Numbermatics database.
Names of 121425920
- Cardinal: 121425920 can be written as One hundred twenty-one million, four hundred twenty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.2142592 × 108
Factors of 121425920
Divisors of 121425920
- Number of divisors d(n): 234
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 64 70 77 80 88 98 110 112 121 128 140 154 160 176 196 220 224 242 245 256 280 308 320 352 385 392 440 448 484 490 512 539 560 605 616 640 704 770 784 847 880 896 968 980 1024 1078 1120 1210 1232 1280 1408 1540 1568 1694 1760 1792 1936 1960 2048 2156 2240 2420 2464 2560 2695 2816 3080 3136 3388 3520 3584 3872 3920 4096 4235 4312 4480 4840 4928 5120 5390 5632 5929 6160 6272 6776 7040 7168 7744 7840 8470 8624 8960 9680 9856 10240 10780 11264 11858 12320 12544 13552 14080 14336 15488 15680 16940 17248 17920 19360 19712 20480 21560 22528 23716 24640 25088 27104 28160 28672 29645 30976 31360 33880 34496 35840 38720 39424 43120 45056 47432 49280 50176 54208 56320 59290 61952 62720 67760 68992 71680 77440 78848 86240 94864 98560 100352 108416 112640 118580 123904 125440 135520 137984 143360 154880 157696 172480 189728 197120 200704 216832 225280 237160 247808 250880 271040 275968 309760 315392 344960 379456 394240 433664 474320 495616 501760 542080 551936 619520 689920 758912 788480 867328 948640 1003520 1084160 1103872 1239040 1379840 1517824 1576960 1734656 1897280 2168320 2207744 2478080 2759680 3035648 3469312 3794560 4336640 5519360 6071296 7589120 8673280 11038720 12142592 15178240 17346560 24285184 30356480 60712960 121425920
- Sum of all divisors σ(n): 372575826
- Sum of proper divisors (its aliquot sum) s(n): 251149906
- 121425920 is an abundant number, because the sum of its proper divisors (251149906) is greater than itself. Its abundance is 129723986
Bases of 121425920
- Binary: 1110011110011010000000000002
- Hexadecimal: 0x73CD000
- Base-36: 20AKU8
Squares and roots of 121425920
- 121425920 squared (1214259202) is 14744254047846400
- 121425920 cubed (1214259203) is 1790334612473473138688000
-
The
square root of 121425920 is 11019.3429931189 -
The
cube root of 121425920 is 495.1884056467
Scales and comparisons
How big is 121425920?- 121,425,920 seconds is equal to 3 years, 44 weeks, 5 days, 9 hours, 25 minutes, 20 seconds.
-
To count from 1 to 121,425,920 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 121425920 cubic inches would be around 41.3 feet tall.
Recreational maths with 121425920
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