21102989 (number)

21102989 is an odd 8-digits composite number following 21102988 and preceding 21102990. In scientific notation, it is written as 2.1102989 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21082656 positive integers (up to 21102989) that are relatively prime to 21102989.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred two thousand nine hundred eighty-nine

Notation

Scientific notation 2.1102989 × 10^7
Engineering notation 2.1102989 × 10^6

Prime Factorization of 21102989

Prime Factorization 1097 × 19237

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21102989
Product of the distinct prime numbers

The prime factorization of 21102989 is 1097 × 19237. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21102989)

Multiplication

n×y
n×2 42205978
n×3 63308967
n×4 84411956
n×5 105514945

Division

n÷y
n÷2 10551494.5
n÷3 7034329.6666667
n÷3 5275747.25
n÷5 4220597.8

Exponentiation

ny
n2 445336144734121
n3 9.3979237636266E+21
n4 1.9832428180665E+29
n5 4.1852351373986E+36

Nth Root

y√n
2√n 4593.7989725281
3√n 276.3426963819
4√n 67.777569833449
5√n 29.165457580002

Divisors of 21102989

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 -21102988
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 21102989 can be divided by 4 positive divisors. The sum of these divisors (counting 21102989) is 1, the average is 0.25.

Base conversion 21102989

Base System Value
2 Binary 1010000100000000110001101
3 Ternary 1110201010212012
4 Quaternary 1100200012031
5 Quinary 20400243424
6 Senary 2032151005
8 Octal 120400615
10 Decimal 21102989
12 Duodecimal 7098465
16 Hexadecimal 142018d
20 Vigesimal 6bhh99
36 Base36 ckb65

Cryptographic Hash Functions

md5 e560743281bd2d400ff14b88abd43070
sha1 304039fd7fe8bc975db194f4fd8c482d43d5c161
sha256 170a5fc83dc08ea19718a298aef9c5d86d5d96ad393eaf26de1353b6ef2547e7
sha512 d107e4ff22f1bd451345317f3cf973f2f6a95d2ab3dccc293a792e035069c9b69a27342b487170fd9f43116b719282dcf300640ea7b56638c8929ffbce08a917
ripemd-160 d0ab690a2b0dfebb9e8de80232f1e223ef596991

21102989 as geometric shapes

Circle

Radius = n
Diameter 42205978
Circumference 132593990.42237
Area 1.3990647606747E+15

Sphere

Radius = n
Volume 3.9365931006408E+22
Surface area 5.5962590426989E+15
Circumference 132593990.42237

Square

Length = n
Perimeter 84411956
Area 445336144734121
Diagonal 29844133.25041

Cube

Length = n
Surface area 2672016868404726
Volume 9.3979237636266E+21
Space diagonal 36551449.139567

Equilateral Triangle

Length = n
Perimeter 63308967
Area 1.9283620728159E+14
Altitude 18275724.569784

Triangular Pyramid

Length = n
Surface area 1.9283620728159E+14
Volume 1.1075559370558E+21
Height 9948044.4168034