105420420
105,420,420 is an even composite number composed of five prime numbers multiplied together.
105420420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 105420420:
22 × 33 × 5 × 7 × 1672
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 167 × 167)See below for interesting mathematical facts about the number 105420420 from the Numbermatics database.
Names of 105420420
- Cardinal: 105420420 can be written as One hundred five million, four hundred twenty thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.0542042 × 108
Factors of 105420420
Divisors of 105420420
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 167 180 189 210 252 270 315 334 378 420 501 540 630 668 756 835 945 1002 1169 1260 1503 1670 1890 2004 2338 2505 3006 3340 3507 3780 4509 4676 5010 5845 6012 7014 7515 9018 10020 10521 11690 14028 15030 17535 18036 21042 22545 23380 27889 30060 31563 35070 42084 45090 52605 55778 63126 70140 83667 90180 105210 111556 126252 139445 157815 167334 195223 210420 251001 278890 315630 334668 390446 418335 502002 557780 585669 631260 753003 780892 836670 976115 1004004 1171338 1255005 1506006 1673340 1757007 1952230 2342676 2510010 2928345 3012012 3514014 3765015 3904460 5020020 5271021 5856690 7028028 7530030 8785035 10542042 11713380 15060060 17570070 21084084 26355105 35140140 52710210 105420420
- Sum of all divisors σ(n): 377086080
- Sum of proper divisors (its aliquot sum) s(n): 271665660
- 105420420 is an abundant number, because the sum of its proper divisors (271665660) is greater than itself. Its abundance is 166245240
Bases of 105420420
- Binary: 1100100100010010110100001002
- Hexadecimal: 0x6489684
- Base-36: 1QRIX0
Squares and roots of 105420420
- 105420420 squared (1054204202) is 11113464952976400
- 105420420 cubed (1054204203) is 1171586142998052338088000
-
The
square root of 105420420 is 10267.4446674915 -
The
cube root of 105420420 is 472.3982144065
Scales and comparisons
How big is 105420420?- 105,420,420 seconds is equal to 3 years, 18 weeks, 2 days, 3 hours, 27 minutes.
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To count from 1 to 105,420,420 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 105420420 cubic inches would be around 39.4 feet tall.
Recreational maths with 105420420
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