121390240
121,390,240 is an even composite number composed of five prime numbers multiplied together.
121390240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 121390240:
25 × 5 × 19 × 73 × 547
(2 × 2 × 2 × 2 × 2 × 5 × 19 × 73 × 547)See below for interesting mathematical facts about the number 121390240 from the Numbermatics database.
Names of 121390240
- Cardinal: 121390240 can be written as One hundred twenty-one million, three hundred ninety thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.2139024 × 108
Factors of 121390240
Divisors of 121390240
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 73 76 80 95 146 152 160 190 292 304 365 380 547 584 608 730 760 1094 1168 1387 1460 1520 2188 2336 2735 2774 2920 3040 4376 5470 5548 5840 6935 8752 10393 10940 11096 11680 13870 17504 20786 21880 22192 27740 39931 41572 43760 44384 51965 55480 79862 83144 87520 103930 110960 159724 166288 199655 207860 221920 319448 332576 399310 415720 638896 758689 798620 831440 1277792 1517378 1597240 1662880 3034756 3194480 3793445 6069512 6388960 7586890 12139024 15173780 24278048 30347560 60695120 121390240
- Sum of all divisors σ(n): 306573120
- Sum of proper divisors (its aliquot sum) s(n): 185182880
- 121390240 is an abundant number, because the sum of its proper divisors (185182880) is greater than itself. Its abundance is 63792640
Bases of 121390240
- Binary: 1110011110001000100101000002
- Hexadecimal: 0x73C44A0
- Base-36: 209TB4
Squares and roots of 121390240
- 121390240 squared (1213902402) is 14735590367257600
- 121390240 cubed (1213902403) is 1788756851223088205824000
-
The
square root of 121390240 is 11017.7239028757 -
The
cube root of 121390240 is 495.1398985591
Scales and comparisons
How big is 121390240?- 121,390,240 seconds is equal to 3 years, 44 weeks, 4 days, 23 hours, 30 minutes, 40 seconds.
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To count from 1 to 121,390,240 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 121390240 cubic inches would be around 41.3 feet tall.
Recreational maths with 121390240
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