121398640
121,398,640 is an even composite number composed of six prime numbers multiplied together.
121398640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 121398640:
24 × 5 × 11 × 29 × 67 × 71
(2 × 2 × 2 × 2 × 5 × 11 × 29 × 67 × 71)See below for interesting mathematical facts about the number 121398640 from the Numbermatics database.
Names of 121398640
- Cardinal: 121398640 can be written as One hundred twenty-one million, three hundred ninety-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.2139864 × 108
Factors of 121398640
Divisors of 121398640
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 29 40 44 55 58 67 71 80 88 110 116 134 142 145 176 220 232 268 284 290 319 335 355 440 464 536 568 580 638 670 710 737 781 880 1072 1136 1160 1276 1340 1420 1474 1562 1595 1943 2059 2320 2552 2680 2840 2948 3124 3190 3685 3886 3905 4118 4757 5104 5360 5680 5896 6248 6380 7370 7772 7810 8236 9514 9715 10295 11792 12496 12760 14740 15544 15620 16472 19028 19430 20590 21373 22649 23785 25520 29480 31088 31240 32944 38056 38860 41180 42746 45298 47570 52327 58960 62480 76112 77720 82360 85492 90596 95140 104654 106865 113245 137953 155440 164720 170984 181192 190280 209308 213730 226490 261635 275906 341968 362384 380560 418616 427460 452980 523270 551812 689765 837232 854920 905960 1046540 1103624 1379530 1517483 1709840 1811920 2093080 2207248 2759060 3034966 4186160 5518120 6069932 7587415 11036240 12139864 15174830 24279728 30349660 60699320 121398640
- Sum of all divisors σ(n): 327836160
- Sum of proper divisors (its aliquot sum) s(n): 206437520
- 121398640 is an abundant number, because the sum of its proper divisors (206437520) is greater than itself. Its abundance is 85038880
Bases of 121398640
- Binary: 1110011110001100101011100002
- Hexadecimal: 0x73C6570
- Base-36: 209ZSG
Squares and roots of 121398640
- 121398640 squared (1213986402) is 14737629793849600
- 121398640 cubed (1213986403) is 1789128213796821804544000
-
The
square root of 121398640 is 11018.1051002429 -
The
cube root of 121398640 is 495.1513192447
Scales and comparisons
How big is 121398640?- 121,398,640 seconds is equal to 3 years, 44 weeks, 5 days, 1 hour, 50 minutes, 40 seconds.
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To count from 1 to 121,398,640 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 121398640 cubic inches would be around 41.3 feet tall.
Recreational maths with 121398640
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