121906720
121,906,720 is an even composite number composed of six prime numbers multiplied together.
121906720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 121906720:
25 × 5 × 13 × 29 × 43 × 47
(2 × 2 × 2 × 2 × 2 × 5 × 13 × 29 × 43 × 47)See below for interesting mathematical facts about the number 121906720 from the Numbermatics database.
Names of 121906720
- Cardinal: 121906720 can be written as One hundred twenty-one million, nine hundred six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.2190672 × 108
Factors of 121906720
Divisors of 121906720
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 29 32 40 43 47 52 58 65 80 86 94 104 116 130 145 160 172 188 208 215 232 235 260 290 344 376 377 416 430 464 470 520 559 580 611 688 752 754 860 928 940 1040 1118 1160 1222 1247 1363 1376 1504 1508 1720 1880 1885 2021 2080 2236 2320 2444 2494 2726 2795 3016 3055 3440 3760 3770 4042 4472 4640 4888 4988 5452 5590 6032 6110 6235 6815 6880 7520 7540 8084 8944 9776 9976 10105 10904 11180 12064 12220 12470 13630 15080 16168 16211 17719 17888 19552 19952 20210 21808 22360 24440 24940 26273 27260 30160 32336 32422 35438 39904 40420 43616 44720 48880 49880 52546 54520 58609 60320 64672 64844 70876 80840 81055 88595 89440 97760 99760 105092 109040 117218 129688 131365 141752 161680 162110 177190 199520 210184 218080 234436 259376 262730 283504 293045 323360 324220 354380 420368 468872 518752 525460 567008 586090 648440 708760 761917 840736 937744 1050920 1172180 1296880 1417520 1523834 1875488 2101840 2344360 2593760 2835040 3047668 3809585 4203680 4688720 6095336 7619170 9377440 12190672 15238340 24381344 30476680 60953360 121906720
- Sum of all divisors σ(n): 335301120
- Sum of proper divisors (its aliquot sum) s(n): 213394400
- 121906720 is an abundant number, because the sum of its proper divisors (213394400) is greater than itself. Its abundance is 91487680
Bases of 121906720
- Binary: 1110100010000100110001000002
- Hexadecimal: 0x7442620
- Base-36: 20KVTS
Squares and roots of 121906720
- 121906720 squared (1219067202) is 14861248381158400
- 121906720 cubed (1219067203) is 1811686045252330344448000
-
The
square root of 121906720 is 11041.1376225459 -
The
cube root of 121906720 is 495.8411301803
Scales and comparisons
How big is 121906720?- 121,906,720 seconds is equal to 3 years, 45 weeks, 3 days, 22 hours, 58 minutes, 40 seconds.
-
To count from 1 to 121,906,720 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 121906720 cubic inches would be around 41.3 feet tall.
Recreational maths with 121906720
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