21890969 (number)

21890969 is an odd 8-digits composite number following 21890968 and preceding 21890970. In scientific notation, it is written as 2.1890969 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 21136080 positive integers (up to 21890969) that are relatively prime to 21890969.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety thousand nine hundred sixty-nine

Notation

Scientific notation 2.1890969 × 10^7
Engineering notation 2.1890969 × 10^6

Prime Factorization of 21890969

Prime Factorization 29 × 754861

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21890969
Product of the distinct prime numbers

The prime factorization of 21890969 is 29 × 754861. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21890969)

Multiplication

n×y
n×2 43781938
n×3 65672907
n×4 87563876
n×5 109454845

Division

n÷y
n÷2 10945484.5
n÷3 7296989.6666667
n÷3 5472742.25
n÷5 4378193.8

Exponentiation

ny
n2 479214523758961
n3 1.0490470283957E+22
n4 2.2964655978153E+29
n5 5.0271857211341E+36

Nth Root

y√n
2√n 4678.7785799287
3√n 279.74027360957
4√n 68.401597787835
5√n 29.380081568272

Divisors of 21890969

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 -21890968
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 21890969 can be divided by 4 positive divisors. The sum of these divisors (counting 21890969) is 1, the average is 0.25.

Base conversion 21890969

Base System Value
2 Binary 1010011100000011110011001
3 Ternary 1112012011202122
4 Quaternary 1103200132121
5 Quinary 21101002334
6 Senary 2101111025
8 Octal 123403631
10 Decimal 21890969
12 Duodecimal 73b8475
16 Hexadecimal 14e0799
20 Vigesimal 6gg789
36 Base36 d176h

Cryptographic Hash Functions

md5 267e4d6c70755ecd90fef7ead6814779
sha1 fb90e5be8a6fa3ce54605f1dd691665345985baf
sha256 36573ec88c83a5a5557c421e2c354a2e46362dbb2d8b2a393b540278449a8c2d
sha512 46283e1618491448e2e9a5587a40a1a06d7e34cec7de6d331fc5d6f302a813e0ca1f1e0a937e2b3aba4b39ea7d527e5032230911ff8365ad874f7d3c5f0b6de9
ripemd-160 d51ccbf4922225af7891382db85f5aca9fe90022

21890969 as geometric shapes

Circle

Radius = n
Diameter 43781938
Circumference 137545014.78072
Area 1.5054968273347E+15

Sphere

Radius = n
Volume 4.3942379169043E+22
Surface area 6.0219873093387E+15
Circumference 137545014.78072

Square

Length = n
Perimeter 87563876
Area 479214523758961
Diagonal 30958505.253289

Cube

Length = n
Surface area 2875287142553766
Volume 1.0490470283957E+22
Space diagonal 37916270.534915

Equilateral Triangle

Length = n
Perimeter 65672907
Area 2.0750597571886E+14
Altitude 18958135.267458

Triangular Pyramid

Length = n
Surface area 2.0750597571886E+14
Volume 1.2363137792703E+21
Height 10319501.751096