21123997 (number)

21123997 is an odd 8-digits composite number following 21123996 and preceding 21123998. In scientific notation, it is written as 2.1123997 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20997340 positive integers (up to 21123997) that are relatively prime to 21123997.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-three thousand nine hundred ninety-seven

Notation

Scientific notation 2.1123997 × 10^7
Engineering notation 2.1123997 × 10^6

Prime Factorization of 21123997

Prime Factorization 167 × 126491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21123997
Product of the distinct prime numbers

The prime factorization of 21123997 is 167 × 126491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21123997)

Multiplication

n×y
n×2 42247994
n×3 63371991
n×4 84495988
n×5 105619985

Division

n÷y
n÷2 10561998.5
n÷3 7041332.3333333
n÷3 5280999.25
n÷5 4224799.4

Exponentiation

ny
n2 446223249256009
n3 9.4260185786142E+21
n4 1.9911518817659E+29
n5 4.2061086376967E+36

Nth Root

y√n
2√n 4596.0849644018
3√n 276.43436557633
4√n 67.794431662208
5√n 29.171262104645

Divisors of 21123997

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21123996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21123997 can be divided by 4 positive divisors. The sum of these divisors (counting 21123997) is 1, the average is 0.25.

Base conversion 21123997

Base System Value
2 Binary 1010000100101001110011101
3 Ternary 1110202012200021
4 Quaternary 1100211032131
5 Quinary 20401431442
6 Senary 2032432141
8 Octal 120451635
10 Decimal 21123997
12 Duodecimal 70a8651
16 Hexadecimal 142539d
20 Vigesimal 6c09jh
36 Base36 ckrdp

Cryptographic Hash Functions

md5 bee685e7f5ba9caf5c28706641d7616d
sha1 14157211baa758275bc0b8d77464f05a9ac23b4c
sha256 ed4d687459ad25a625b290b5d2c42dc15eeb2d83f247a5c508c769b384376c9d
sha512 5a3d14782bcf58903a3765692e8eb6651581f7c3cd731f04c9c541b8e042bec56b37c311c49062b18169bed11a3f40727b6eac3cf92eb78dbd7e10a6db393759
ripemd-160 290301bf1adcf85d2105be41fd9c799a2937e864

21123997 as geometric shapes

Circle

Radius = n
Diameter 42247994
Circumference 132725987.57931
Area 1.4018516817236E+15

Sphere

Radius = n
Volume 3.9483614292234E+22
Surface area 5.6074067268946E+15
Circumference 132725987.57931

Square

Length = n
Perimeter 84495988
Area 446223249256009
Diagonal 29873843.048929

Cube

Length = n
Surface area 2677339495536054
Volume 9.4260185786142E+21
Space diagonal 36587836.062933

Equilateral Triangle

Length = n
Perimeter 63371991
Area 1.9322033480747E+14
Altitude 18293918.031466

Triangular Pyramid

Length = n
Surface area 1.9322033480747E+14
Volume 1.1108669427547E+21
Height 9957947.6829762