20180925 (number)

20180925 is an odd 8-digits composite number following 20180924 and preceding 20180926. In scientific notation, it is written as 2.0180925 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 10690560 positive integers (up to 20180925) that are relatively prime to 20180925.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand nine hundred twenty-five

Notation

Scientific notation 2.0180925 × 10^7
Engineering notation 2.0180925 × 10^6

Prime Factorization of 20180925

Prime Factorization 9 × 5 × 5 × 257 × 349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4036185
Product of the distinct prime numbers

The prime factorization of 20180925 is 9 × 5 × 5 × 257 × 349. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 23, 42, 129, 287, 3232, 3748, 17762, 54880, 853404, 748023, 6431844, 2229741, 72673395, 86964315, 404518875, 276561520, 1890298860, 1236357798

Basic calculations (n = 20180925)

Multiplication

n×y
n×2 40361850
n×3 60542775
n×4 80723700
n×5 100904625

Division

n÷y
n÷2 10090462.5
n÷3 6726975
n÷3 5045231.25
n÷5 4036185

Exponentiation

ny
n2 407269733855625
n3 8.2190799537103E+21
n4 1.6586863611483E+29
n5 3.3473825052857E+36

Nth Root

y√n
2√n 4492.3184437437
3√n 272.25781585274
4√n 67.024759930519
5√n 28.906014332574

Divisors of 20180925

1, 5, 9, 25, 45, 225, 257, 349, 1285, 1745, 2313, 3141, 6425, 8725, 11565, 15705, 57825, 78525, 89693, 448465, 807237, 2242325, 4036185, 20180925

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20180924
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180925 can be divided by 24 positive divisors. The sum of these divisors (counting 20180925) is 1, the average is 0.041666666666667.

Base conversion 20180925

Base System Value
2 Binary 1001100111110111110111101
3 Ternary 1101222022000200
4 Quaternary 1030332332331
5 Quinary 20131242200
6 Senary 2000314113
8 Octal 114767675
10 Decimal 20180925
12 Duodecimal 6912939
16 Hexadecimal 133efbd
20 Vigesimal 662c65
36 Base36 c0jp9

Cryptographic Hash Functions

md5 d4edc439e10cd974ef76c099958d25ca
sha1 0b6b04c3513140c5e85f6586542dfcc748ac5e5e
sha256 0523c20bbd83316bbac4b8726c5acf93b6d5bdc6d9439cb78182e0ea329fa79f
sha512 b8acb55b09e1fe2b4a46d39936c1928bd4c1d20ee3aa4c0b479c765efcaed70ae44bb5daa7ce4678506f71c83812b9290cc19c61ad8fbd87fb44f18348f7a365
ripemd-160 24474c2a669f95c3dcadf351603b8e77a0d81dc2

20180925 as geometric shapes

Circle

Radius = n
Diameter 40361850
Circumference 126800491.44529
Area 1.2794756039103E+15

Sphere

Radius = n
Volume 3.4428001602458E+22
Surface area 5.1179024156412E+15
Circumference 126800491.44529

Square

Length = n
Perimeter 80723700
Area 407269733855625
Diagonal 28540137.836234

Cube

Length = n
Surface area 2443618403133750
Volume 8.2190799537103E+21
Space diagonal 34954387.443737

Equilateral Triangle

Length = n
Perimeter 60542775
Area 1.7635296785575E+14
Altitude 17477193.721868

Triangular Pyramid

Length = n
Surface area 1.7635296785575E+14
Volume 9.686278617305E+20
Height 9513379.2787448