21031145 (number)

21031145 is an odd 8-digits composite number following 21031144 and preceding 21031146. In scientific notation, it is written as 2.1031145 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 16477824 positive integers (up to 21031145) that are relatively prime to 21031145.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand one hundred forty-five

Notation

Scientific notation 2.1031145 × 10^7
Engineering notation 2.1031145 × 10^6

Prime Factorization of 21031145

Prime Factorization 5 × 47261 × 89

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031145
Product of the distinct prime numbers

The prime factorization of 21031145 is 5 × 47261 × 89. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 83, 6, 517, 531, 8606, 2092, 62919, 82386, 717367, 643636, 9941521, 7839861, 85618031, 86802449, 119566253, 9891619, 1549703670, 7955161842

Basic calculations (n = 21031145)

Multiplication

n×y
n×2 42062290
n×3 63093435
n×4 84124580
n×5 105155725

Division

n÷y
n÷2 10515572.5
n÷3 7010381.6666667
n÷3 5257786.25
n÷5 4206229

Exponentiation

ny
n2 442309060011025
n3 9.3022659759056E+21
n4 1.9563730456784E+29
n5 4.1144765197753E+36

Nth Root

y√n
2√n 4585.9726340221
3√n 276.02874184332
4√n 67.719809760676
5√n 29.145572033005

Divisors of 21031145

1, 5, 89, 445, 47261, 236305, 4206229, 21031145

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 -21031144
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 21031145 can be divided by 8 positive divisors. The sum of these divisors (counting 21031145) is 1, the average is 0.125.

Base conversion 21031145

Base System Value
2 Binary 1010000001110100011101001
3 Ternary 1110120111022022
4 Quaternary 1100032203221
5 Quinary 20340444040
6 Senary 2030434225
8 Octal 120164351
10 Decimal 21031145
12 Duodecimal 7062975
16 Hexadecimal 140e8e9
20 Vigesimal 6b8hh5
36 Base36 cirqh

Cryptographic Hash Functions

md5 2a745cb0bc5c09aac81d8129d5bfb5f3
sha1 2dd2f64a48428384551490c642e6f0f11b059620
sha256 eea57a5796c3fed9ddd569557361d171be85fd754db33fce156ddc44042a9f4a
sha512 8cb66c78cc853f210c65f530b5d7d29ff041a15ee03030e65e1940978c4a5f255de14084ea704dde492cdcc454ef30a03b33fea1d01e9d4de83934685fc4c81d
ripemd-160 61263fb7a98549611f97ca0fb94b6c874d6c2ec1

21031145 as geometric shapes

Circle

Radius = n
Diameter 42062290
Circumference 132142581.25716
Area 1.3895548935468E+15

Sphere

Radius = n
Volume 3.8965240602191E+22
Surface area 5.5582195741874E+15
Circumference 132142581.25716

Square

Length = n
Perimeter 84124580
Area 442309060011025
Diagonal 29742530.491235

Cube

Length = n
Surface area 2653854360066150
Volume 9.3022659759056E+21
Space diagonal 36427011.681348

Equilateral Triangle

Length = n
Perimeter 63093435
Area 1.9152544114678E+14
Altitude 18213505.840674

Triangular Pyramid

Length = n
Surface area 1.9152544114678E+14
Volume 1.0962825586606E+21
Height 9914176.8304117