20138972 (number)

20138972 is an even 8-digits composite number following 20138971 and preceding 20138973. In scientific notation, it is written as 2.0138972 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 8545968 positive integers (up to 20138972) that are relatively prime to 20138972.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred seventy-two

Notation

Scientific notation 2.0138972 × 10^7
Engineering notation 2.0138972 × 10^6

Prime Factorization of 20138972

Prime Factorization 2 × 2 × 7 × 103 × 6983

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10069486
Product of the distinct prime numbers

The prime factorization of 20138972 is 2 × 2 × 7 × 103 × 6983. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 58, 86, 451, 342, 9151, 6859, 92716, 53643, 496791, 398247, 8261074, 7591513, 27397382, 61891297, 803792227, 500887257, 4465155997, 395592550

Basic calculations (n = 20138972)

Multiplication

n×y
n×2 40277944
n×3 60416916
n×4 80555888
n×5 100694860

Division

n÷y
n÷2 10069486
n÷3 6712990.6666667
n÷3 5034743
n÷5 4027794.4

Exponentiation

ny
n2 405578193216784
n3 8.1679278770034E+21
n4 1.6449367081299E+29
n5 3.31273343068E+36

Nth Root

y√n
2√n 4487.6465992767
3√n 272.06902443746
4√n 66.989899233218
5√n 28.893986106121

Divisors of 20138972

1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 6983, 13966, 27932, 48881, 97762, 195524, 719249, 1438498, 2876996, 5034743, 10069486, 20138972

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 -20138971
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 20138972 can be divided by 24 positive divisors. The sum of these divisors (counting 20138972) is 1, the average is 0.041666666666667.

Base conversion 20138972

Base System Value
2 Binary 1001100110100101111011100
3 Ternary 1101220011110212
4 Quaternary 1030310233130
5 Quinary 20123421342
6 Senary 1555351552
8 Octal 114645734
10 Decimal 20138972
12 Duodecimal 68b25b8
16 Hexadecimal 1334bdc
20 Vigesimal 65h78c
36 Base36 bznbw

Cryptographic Hash Functions

md5 abcacb8fecc0b83c075f9113eb137d28
sha1 e1ac1f6f8c02593e93e805da43eff546d86bd69c
sha256 e32c6eae1de8b999e62beb716f6c78727b85c8263eec669e902dc5d8cca88107
sha512 d67343822aa126b3ed0dcae09750cc3d5dd2ec91294d80dc552019d46d84d94ee2b6ec33ffad58b3dde994c68f82efa0773ec79080d56c3eb059970df396ad35
ripemd-160 dbc77c4a6978a10e6c35a221a83ce26b4a8ece6b

20138972 as geometric shapes

Circle

Radius = n
Diameter 40277944
Circumference 126536892.9721
Area 1.2741614722661E+15

Sphere

Radius = n
Volume 3.4213736284594E+22
Surface area 5.0966458890643E+15
Circumference 126536892.9721

Square

Length = n
Perimeter 80555888
Area 405578193216784
Diagonal 28480807.334652

Cube

Length = n
Surface area 2433469159300704
Volume 8.1679278770034E+21
Space diagonal 34881722.716207

Equilateral Triangle

Length = n
Perimeter 60416916
Area 1.7562050927336E+14
Altitude 17440861.358104

Triangular Pyramid

Length = n
Surface area 1.7562050927336E+14
Volume 9.6259953167862E+20
Height 9493602.444884