21031207 (number)

21031207 is an odd 8-digits composite number following 21031206 and preceding 21031208. In scientific notation, it is written as 2.1031207 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 20404800 positive integers (up to 21031207) that are relatively prime to 21031207.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred seven

Notation

Scientific notation 2.1031207 × 10^7
Engineering notation 2.1031207 × 10^6

Prime Factorization of 21031207

Prime Factorization 37 × 521 × 1091

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031207
Product of the distinct prime numbers

The prime factorization of 21031207 is 37 × 521 × 1091. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031207)

Multiplication

n×y
n×2 42062414
n×3 63093621
n×4 84124828
n×5 105156035

Division

n÷y
n÷2 10515603.5
n÷3 7010402.3333333
n÷3 5257801.75
n÷5 4206241.4

Exponentiation

ny
n2 442311667876849
n3 9.3023482456333E+21
n4 1.9563961154E+29
n5 4.1145371676973E+36

Nth Root

y√n
2√n 4585.9793937609
3√n 276.02901308811
4√n 67.719859670269
5√n 29.145589217265

Divisors of 21031207

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031206
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031207 can be divided by 8 positive divisors. The sum of these divisors (counting 21031207) is 1, the average is 0.125.

Base conversion 21031207

Base System Value
2 Binary 1010000001110100100100111
3 Ternary 1110120111101121
4 Quaternary 1100032210213
5 Quinary 20340444312
6 Senary 2030434411
8 Octal 120164447
10 Decimal 21031207
12 Duodecimal 7062a07
16 Hexadecimal 140e927
20 Vigesimal 6b8i07
36 Base36 cirs7

Cryptographic Hash Functions

md5 5ba3c2c296b5a10ebfae15c6e9304890
sha1 a2bbbbfdf763078e3c0e7e9e29b79f3961a68469
sha256 58b440b458315e3021e1a62d8e7473977f051bdb65e683b66d9742c11c87ec00
sha512 e672b75ed2e40da6f6c778a3a77df7989944c1ec2e8131d6dcade28d10d0725a899b1a09ad9179dce5b59f0535c257f95194e6f75d1a1f01f33627363e522c3a
ripemd-160 2ac29301ba92c03af56984a93b33c165acaf502a

21031207 as geometric shapes

Circle

Radius = n
Diameter 42062414
Circumference 132142970.81465
Area 1.389563086399E+15

Sphere

Radius = n
Volume 3.896558521282E+22
Surface area 5.5582523455958E+15
Circumference 132142970.81465

Square

Length = n
Perimeter 84124828
Area 442311667876849
Diagonal 29742618.172476

Cube

Length = n
Surface area 2653870007261094
Volume 9.3023482456333E+21
Space diagonal 36427119.068498

Equilateral Triangle

Length = n
Perimeter 63093621
Area 1.9152657038581E+14
Altitude 18213559.534249

Triangular Pyramid

Length = n
Surface area 1.9152657038581E+14
Volume 1.096292254241E+21
Height 9914206.057492