121398768
121,398,768 is an even composite number composed of five prime numbers multiplied together.
What does the number 121398768 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 120 divisors.
121398768 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 121398768:
24 × 32 × 17 × 101 × 491
(2 × 2 × 2 × 2 × 3 × 3 × 17 × 101 × 491)See below for interesting mathematical facts about the number 121398768 from the Numbermatics database.
Names of 121398768
- Cardinal: 121398768 can be written as One hundred twenty-one million, three hundred ninety-eight thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 1.21398768 × 108
Factors of 121398768
Divisors of 121398768
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 101 102 136 144 153 202 204 272 303 306 404 408 491 606 612 808 816 909 982 1212 1224 1473 1616 1717 1818 1964 2424 2448 2946 3434 3636 3928 4419 4848 5151 5892 6868 7272 7856 8347 8838 10302 11784 13736 14544 15453 16694 17676 20604 23568 25041 27472 30906 33388 35352 41208 49591 50082 61812 66776 70704 75123 82416 99182 100164 123624 133552 148773 150246 198364 200328 247248 297546 300492 396728 400656 446319 595092 600984 793456 843047 892638 1190184 1201968 1686094 1785276 2380368 2529141 3372188 3570552 5058282 6744376 7141104 7587423 10116564 13488752 15174846 20233128 30349692 40466256 60699384 121398768
- Sum of all divisors σ(n): 364034736
- Sum of proper divisors (its aliquot sum) s(n): 242635968
- 121398768 is an abundant number, because the sum of its proper divisors (242635968) is greater than itself. Its abundance is 121237200
Bases of 121398768
- Binary: 1110011110001100101111100002
- Hexadecimal: 0x73C65F0
- Base-36: 209ZW0
Squares and roots of 121398768
- 121398768 squared (1213987682) is 14737660871917824
- 121398768 cubed (1213987683) is 1789133873052629630840832
-
The
square root of 121398768 is 11018.1109088627 -
The
cube root of 121398768 is 495.1514932701
Scales and comparisons
How big is 121398768?- 121,398,768 seconds is equal to 3 years, 44 weeks, 5 days, 1 hour, 52 minutes, 48 seconds.
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To count from 1 to 121,398,768 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 121398768 cubic inches would be around 41.3 feet tall.
Recreational maths with 121398768
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