21373921 (number)

21373921 is an odd 8-digits composite number following 21373920 and preceding 21373922. In scientific notation, it is written as 2.1373921 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21348292 positive integers (up to 21373921) that are relatively prime to 21373921.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-three thousand nine hundred twenty-one

Notation

Scientific notation 2.1373921 × 10^7
Engineering notation 2.1373921 × 10^6

Prime Factorization of 21373921

Prime Factorization 863 × 24767

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21373921
Product of the distinct prime numbers

The prime factorization of 21373921 is 863 × 24767. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21373921)

Multiplication

n×y
n×2 42747842
n×3 64121763
n×4 85495684
n×5 106869605

Division

n÷y
n÷2 10686960.5
n÷3 7124640.3333333
n÷3 5343480.25
n÷5 4274784.2

Exponentiation

ny
n2 456844498914241
n3 9.7645582290776E+21
n4 2.087068961882E+29
n5 4.4608847112819E+36

Nth Root

y√n
2√n 4623.1938094785
3√n 277.52028529037
4√n 67.994071870116
5√n 29.239964429988

Divisors of 21373921

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 -21373920
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 21373921 can be divided by 4 positive divisors. The sum of these divisors (counting 21373921) is 1, the average is 0.25.

Base conversion 21373921

Base System Value
2 Binary 1010001100010001111100001
3 Ternary 1111012220111201
4 Quaternary 1101202033201
5 Quinary 20432431141
6 Senary 2042041201
8 Octal 121421741
10 Decimal 21373921
12 Duodecimal 71a9201
16 Hexadecimal 14623e1
20 Vigesimal 6dbeg1
36 Base36 cq481

Cryptographic Hash Functions

md5 869c004b9d4cc0665b3236b19d009cbc
sha1 d27e0fb9ac8edeb48558c9912c461f951a45399f
sha256 f3dc074b8b33b526c5ec5c400cda1ce5aaf6c1263210ff0b1723ac2f140cc8d5
sha512 b230ba178cc3fc29e4d7e58c77f9715133342e0daac7b8af2796e27199a02f720f6ae32c23440107eef3f327b9a2154306d306a4add6d4fbf481354e36f508d2
ripemd-160 6a26b5adc81017a05f6d02e7d88bc4113c7031a9

21373921 as geometric shapes

Circle

Radius = n
Diameter 42747842
Circumference 134296306.38402
Area 1.4352193216219E+15

Sphere

Radius = n
Volume 4.0901685864026E+22
Surface area 5.7408772864876E+15
Circumference 134296306.38402

Square

Length = n
Perimeter 85495684
Area 456844498914241
Diagonal 30227288.959291

Cube

Length = n
Surface area 2741066993485446
Volume 9.7645582290776E+21
Space diagonal 37020717.128963

Equilateral Triangle

Length = n
Perimeter 64121763
Area 1.9781947081945E+14
Altitude 18510358.564482

Triangular Pyramid

Length = n
Surface area 1.9781947081945E+14
Volume 1.1507642231786E+21
Height 10075762.98643