21931380 (number)

21931380 is an even 8-digits composite number following 21931379 and preceding 21931381. In scientific notation, it is written as 2.1931380 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors. There are 5626368 positive integers (up to 21931380) that are relatively prime to 21931380.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand three hundred eighty

Notation

Scientific notation 2.1931380 × 10^7
Engineering notation 2.1931380 × 10^6

Prime Factorization of 21931380

Prime Factorization 2 × 2 × 45 × 37 × 37 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 296370
Product of the distinct prime numbers

The prime factorization of 21931380 is 2 × 2 × 45 × 37 × 37 × 89. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931380)

Multiplication

n×y
n×2 43862760
n×3 65794140
n×4 87725520
n×5 109656900

Division

n÷y
n÷2 10965690
n÷3 7310460
n÷3 5482845
n÷5 4386276

Exponentiation

ny
n2 480985428704400
n3 1.0548674211379E+22
n4 2.3134698262596E+29
n5 5.0737585878232E+36

Nth Root

y√n
2√n 4683.0951303598
3√n 279.91230246749
4√n 68.433143507805
5√n 29.390920766425

Divisors of 21931380

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931380 can be divided by 36 positive divisors. The sum of these divisors (counting 21931380) is 1, the average is 0.027777777777778.

Base conversion 21931380

Base System Value
2 Binary 1010011101010010101110100
3 Ternary 1112021020012100
4 Quaternary 1103222111310
5 Quinary 21103301010
6 Senary 2102022100
8 Octal 123522564
10 Decimal 21931380
12 Duodecimal 7417930
16 Hexadecimal 14ea574
20 Vigesimal 6h1890
36 Base36 d22d0

Cryptographic Hash Functions

md5 37707cf55ac9609456699e2d4aafdd31
sha1 8197b0d431f5bbc9546f7b8ef1e514d009a8a444
sha256 815f8383b62aaf80703e8b3a174413166b596aac188a20796c58592fbc9efea9
sha512 ee7c2fdafd4fb78f0034c038452bf3e08d31822921b561997328e8bda522280de948a8edfb354d1c648cedecc67c48bb1ab87016462fe4759d3daf0939eaa82e
ripemd-160 fff3dc2f5b00656ef903a59f70122f7e4825f871

21931380 as geometric shapes

Circle

Radius = n
Diameter 43862760
Circumference 137798924.58217
Area 1.5110602893015E+15

Sphere

Radius = n
Volume 4.4186183210108E+22
Surface area 6.0442411572059E+15
Circumference 137798924.58217

Square

Length = n
Perimeter 87725520
Area 480985428704400
Diagonal 31015655.037558

Cube

Length = n
Surface area 2885912572226400
Volume 1.0548674211379E+22
Space diagonal 37986264.4401

Equilateral Triangle

Length = n
Perimeter 65794140
Area 2.0827280005408E+14
Altitude 18993132.22005

Triangular Pyramid

Length = n
Surface area 2.0827280005408E+14
Volume 1.243173177899E+21
Height 10338551.679186