20138912 (number)

20138912 is an even 8-digits composite number following 20138911 and preceding 20138913. In scientific notation, it is written as 2.0138912 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 12 positive divisors. There are 10069440 positive integers (up to 20138912) that are relatively prime to 20138912.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred twelve

Notation

Scientific notation 2.0138912 × 10^7
Engineering notation 2.0138912 × 10^6

Prime Factorization of 20138912

Prime Factorization 2 × 2 × 2 × 2 × 2 × 629341

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1258682
Product of the distinct prime numbers

The prime factorization of 20138912 is 2 × 2 × 2 × 2 × 2 × 629341. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138912)

Multiplication

n×y
n×2 40277824
n×3 60416736
n×4 80555648
n×5 100694560

Division

n÷y
n÷2 10069456
n÷3 6712970.6666667
n÷3 5034728
n÷5 4027782.4

Exponentiation

ny
n2 405575776543744
n3 8.1678548731461E+21
n4 1.6449171051906E+29
n5 3.3126840828728E+36

Nth Root

y√n
2√n 4487.6399142534
3√n 272.06875424562
4√n 66.989849337443
5√n 28.893968889341

Divisors of 20138912

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138912 can be divided by 12 positive divisors. The sum of these divisors (counting 20138912) is 1, the average is 0.083333333333333.

Base conversion 20138912

Base System Value
2 Binary 1001100110100101110100000
3 Ternary 1101220011101122
4 Quaternary 1030310232200
5 Quinary 20123421122
6 Senary 1555351412
8 Octal 114645640
10 Decimal 20138912
12 Duodecimal 68b2568
16 Hexadecimal 1334ba0
20 Vigesimal 65h75c
36 Base36 bzna8

Cryptographic Hash Functions

md5 9effe70ab8989421f0a4fba94d8a75a8
sha1 20aed288be7b8db79bde66ee4d71565851291113
sha256 c82e36ef1673b51067d591ab4c9fc43f9dc787d43d20165f250a57d3bd578e48
sha512 dce7d26d2104c86baba24bf92c5ec8ba58a45424a383512dae331e5d48f5be6956a2b65739708e39043bdb55b6c8a4a033631d073c84ef428386f787d071ae4b
ripemd-160 c801208e0c78d2fd29daf4df8ac87cee17c6fbf8

20138912 as geometric shapes

Circle

Radius = n
Diameter 40277824
Circumference 126536515.98098
Area 1.2741538800638E+15

Sphere

Radius = n
Volume 3.4213430486751E+22
Surface area 5.0966155202552E+15
Circumference 126536515.98098

Square

Length = n
Perimeter 80555648
Area 405575776543744
Diagonal 28480722.481838

Cube

Length = n
Surface area 2433454659262464
Volume 8.1678548731461E+21
Space diagonal 34881618.793159

Equilateral Triangle

Length = n
Perimeter 60416736
Area 1.7561946282324E+14
Altitude 17440809.396579

Triangular Pyramid

Length = n
Surface area 1.7561946282324E+14
Volume 9.6259092809154E+20
Height 9493574.1606128