20137945 (number)

20137945 is an odd 8-digits composite number following 20137944 and preceding 20137946. In scientific notation, it is written as 2.0137945 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 15162624 positive integers (up to 20137945) that are relatively prime to 20137945.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-seven thousand nine hundred forty-five

Notation

Scientific notation 2.0137945 × 10^7
Engineering notation 2.0137945 × 10^6

Prime Factorization of 20137945

Prime Factorization 5 × 17 × 236917

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20137945
Product of the distinct prime numbers

The prime factorization of 20137945 is 5 × 17 × 236917. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20137945)

Multiplication

n×y
n×2 40275890
n×3 60413835
n×4 80551780
n×5 100689725

Division

n÷y
n÷2 10068972.5
n÷3 6712648.3333333
n÷3 5034486.25
n÷5 4027589

Exponentiation

ny
n2 405536828823025
n3 8.1666783543125E+21
n4 1.6446011953184E+29
n5 3.3118888418255E+36

Nth Root

y√n
2√n 4487.5321725866
3√n 272.06439957978
4√n 66.989045168495
5√n 28.893691406579

Divisors of 20137945

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20137944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20137945 can be divided by 8 positive divisors. The sum of these divisors (counting 20137945) is 1, the average is 0.125.

Base conversion 20137945

Base System Value
2 Binary 1001100110100011111011001
3 Ternary 1101220010001211
4 Quaternary 1030310133121
5 Quinary 20123403240
6 Senary 1555343121
8 Octal 114643731
10 Decimal 20137945
12 Duodecimal 68b1aa1
16 Hexadecimal 13347d9
20 Vigesimal 65h4h5
36 Base36 bzmjd

Cryptographic Hash Functions

md5 8b54d96b037fa601d790a802a2c2e317
sha1 cfd79fba477d7ce75656ca3c2f3fbd2d394da6ce
sha256 0f4cc696cd1d5aa356aa38bf293a7c1265c73fd3fc29e27a6853026e2faee29c
sha512 aedb66f940e0f7dc919df6253ec467227e460c78f566f37e6ac5c3c1db966b87078ad642c28cdcaf724835a10d5fad825e373fb64c652713b51eb0a67820cf01
ripemd-160 51d09e02dcd45dd76a39fdf409c7186050806b94

20137945 as geometric shapes

Circle

Radius = n
Diameter 40275890
Circumference 126530440.14079
Area 1.2740315221905E+15

Sphere

Radius = n
Volume 3.4208502296185E+22
Surface area 5.0961260887621E+15
Circumference 126530440.14079

Square

Length = n
Perimeter 80551780
Area 405536828823025
Diagonal 28479354.937323

Cube

Length = n
Surface area 2433220972938150
Volume 8.1666783543125E+21
Space diagonal 34879943.900028

Equilateral Triangle

Length = n
Perimeter 60413835
Area 1.7560259796546E+14
Altitude 17439971.950014

Triangular Pyramid

Length = n
Surface area 1.7560259796546E+14
Volume 9.6245227401729E+20
Height 9493118.3124412