21131888 (number)

21131888 is an even 8-digits composite number following 21131887 and preceding 21131889. In scientific notation, it is written as 2.1131888 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors. There are 10546944 positive integers (up to 21131888) that are relatively prime to 21131888.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred eighty-eight

Notation

Scientific notation 2.1131888 × 10^7
Engineering notation 2.1131888 × 10^6

Prime Factorization of 21131888

Prime Factorization 2 × 2 × 2 × 2 × 1489 × 887

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2641486
Product of the distinct prime numbers

The prime factorization of 21131888 is 2 × 2 × 2 × 2 × 1489 × 887. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 9, 22, 20, 965, 993, 4064, 8168, 51827, 31996, 849113, 841485, 8177291, 7166125, 32279385, 40642085, 833394638, 676422402, 3643443641, 351274309

Basic calculations (n = 21131888)

Multiplication

n×y
n×2 42263776
n×3 63395664
n×4 84527552
n×5 105659440

Division

n÷y
n÷2 10565944
n÷3 7043962.6666667
n÷3 5282972
n÷5 4226377.6

Exponentiation

ny
n2 446556690444544
n3 9.4365859681248E+21
n4 1.9941287778078E+29
n5 4.2139705990212E+36

Nth Root

y√n
2√n 4596.9433322589
3√n 276.46878254797
4√n 67.800762033025
5√n 29.173441200215

Divisors of 21131888

1, 2, 4, 8, 16, 887, 1489, 1774, 2978, 3548, 5956, 7096, 11912, 14192, 23824, 1320743, 2641486, 5282972, 10565944, 21131888

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131888 can be divided by 20 positive divisors. The sum of these divisors (counting 21131888) is 1, the average is 0.05.

Base conversion 21131888

Base System Value
2 Binary 1010000100111001001110000
3 Ternary 1110202121111112
4 Quaternary 1100213021300
5 Quinary 20402210023
6 Senary 2032532452
8 Octal 120471160
10 Decimal 21131888
12 Duodecimal 70b1128
16 Hexadecimal 1427270
20 Vigesimal 6c19e8
36 Base36 ckxgw

Cryptographic Hash Functions

md5 f73a67b17a98c9ea4b51be4b13655bee
sha1 0cc3f78ba69444c19e8788c0cf918fdca5ab6638
sha256 0561eacbf52ca2d42cee38fa8fd5b830d48ae5a8017ce7a3c3c19a864b53e2c8
sha512 41d39ea389e492ba2827cc40bd5301fce6bbb943aab370bc2be2d0150add2e64edd4dbe62da66d4aa339928f95bd4d20e406d301a8113796262a8534a02726d0
ripemd-160 b856bffe56ef8f9e175102d868f64234d904a30b

21131888 as geometric shapes

Circle

Radius = n
Diameter 42263776
Circumference 132775568.19456
Area 1.402899218112E+15

Sphere

Radius = n
Volume 3.9527878869906E+22
Surface area 5.6115968724478E+15
Circumference 132775568.19456

Square

Length = n
Perimeter 84527552
Area 446556690444544
Diagonal 29885002.608149

Cube

Length = n
Surface area 2679340142667264
Volume 9.4365859681248E+21
Space diagonal 36601503.675855

Equilateral Triangle

Length = n
Perimeter 63395664
Area 1.9336471907744E+14
Altitude 18300751.837928

Triangular Pyramid

Length = n
Surface area 1.9336471907744E+14
Volume 1.1121123215518E+21
Height 9961667.5360498