21102945 (number)

21102945 is an odd 8-digits composite number following 21102944 and preceding 21102946. In scientific notation, it is written as 2.1102945 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11150784 positive integers (up to 21102945) that are relatively prime to 21102945.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred two thousand nine hundred forty-five

Notation

Scientific notation 2.1102945 × 10^7
Engineering notation 2.1102945 × 10^6

Prime Factorization of 21102945

Prime Factorization 5 × 3 × 109 × 12907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21102945
Product of the distinct prime numbers

The prime factorization of 21102945 is 5 × 3 × 109 × 12907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 73, 29, 266, 528, 7270, 5190, 61075, 97857, 189202, 636927, 4908138, 4314768, 14304772, 42369275, 862844687, 41315297, 9759775493, 7020125865

Basic calculations (n = 21102945)

Multiplication

n×y
n×2 42205890
n×3 63308835
n×4 84411780
n×5 105514725

Division

n÷y
n÷2 10551472.5
n÷3 7034315
n÷3 5275736.25
n÷5 4220589

Exponentiation

ny
n2 445334287673025
n3 9.397864979378E+21
n4 1.9832262777724E+29
n5 4.1851915062386E+36

Nth Root

y√n
2√n 4593.794183461
3√n 276.34250432242
4√n 67.777534504148
5√n 29.165445417922

Divisors of 21102945

1, 3, 5, 15, 109, 327, 545, 1635, 12907, 38721, 64535, 193605, 1406863, 4220589, 7034315, 21102945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21102944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21102945 can be divided by 16 positive divisors. The sum of these divisors (counting 21102945) is 1, the average is 0.0625.

Base conversion 21102945

Base System Value
2 Binary 1010000100000000101100001
3 Ternary 1110201010210120
4 Quaternary 1100200011201
5 Quinary 20400243240
6 Senary 2032150453
8 Octal 120400541
10 Decimal 21102945
12 Duodecimal 7098429
16 Hexadecimal 1420161
20 Vigesimal 6bhh75
36 Base36 ckb4x

Cryptographic Hash Functions

md5 1b53c2ce67577c25c811d6f199545a83
sha1 0e26c522344095b02f40be2b401ebf3f73e6a4d1
sha256 f9c002f430bef35ba9da0e44535fd7241dfec49e604227ed4ff0fc1e7b65b508
sha512 d3da4059774b9e56593cb5a1e930f19380824db067777b2c67a1f9a180be65672c4622e092493b2fcd439cfc0051766c184b3307162b3721fc3aff4c29f4d39c
ripemd-160 0632baded112b2f3bbd69e961bbb6c33e7e71d00

21102945 as geometric shapes

Circle

Radius = n
Diameter 42205890
Circumference 132593713.96222
Area 1.3990589265452E+15

Sphere

Radius = n
Volume 3.9365684771524E+22
Surface area 5.5962357061809E+15
Circumference 132593713.96222

Square

Length = n
Perimeter 84411780
Area 445334287673025
Diagonal 29844071.025013

Cube

Length = n
Surface area 2672005726038150
Volume 9.397864979378E+21
Space diagonal 36551372.929332

Equilateral Triangle

Length = n
Perimeter 63308835
Area 1.9283540315054E+14
Altitude 18275686.464666

Triangular Pyramid

Length = n
Surface area 1.9283540315054E+14
Volume 1.1075490092656E+21
Height 9948023.6750045