21031748 (number)

21031748 is an even 8-digits composite number following 21031747 and preceding 21031749. In scientific notation, it is written as 2.1031748 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10292040 positive integers (up to 21031748) that are relatively prime to 21031748.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred forty-eight

Notation

Scientific notation 2.1031748 × 10^7
Engineering notation 2.1031748 × 10^6

Prime Factorization of 21031748

Prime Factorization 2 × 2 × 47 × 111871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10515874
Product of the distinct prime numbers

The prime factorization of 21031748 is 2 × 2 × 47 × 111871. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 96, 27, 858, 36, 5205, 7731, 67554, 21597, 734813, 357408, 7682569, 2553586, 79933473, 29144618, 384639152, 864016235, 3072945233, 7275012550

Basic calculations (n = 21031748)

Multiplication

n×y
n×2 42063496
n×3 63095244
n×4 84126992
n×5 105158740

Division

n÷y
n÷2 10515874
n÷3 7010582.6666667
n÷3 5257937
n÷5 4206349.6

Exponentiation

ny
n2 442334423935504
n3 9.3030661359367E+21
n4 1.9565974259835E+29
n5 4.1150664000735E+36

Nth Root

y√n
2√n 4586.0383775106
3√n 276.03137989498
4√n 67.720295167037
5√n 29.145739162074

Divisors of 21031748

1, 2, 4, 47, 94, 188, 111871, 223742, 447484, 5257937, 10515874, 21031748

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031748 can be divided by 12 positive divisors. The sum of these divisors (counting 21031748) is 1, the average is 0.083333333333333.

Base conversion 21031748

Base System Value
2 Binary 1010000001110101101000100
3 Ternary 1110120112010122
4 Quaternary 1100032231010
5 Quinary 20341003443
6 Senary 2030441112
8 Octal 120165504
10 Decimal 21031748
12 Duodecimal 7063198
16 Hexadecimal 140eb44
20 Vigesimal 6b8j78
36 Base36 cis78

Cryptographic Hash Functions

md5 694d16105cdf644bd8a38e33e4e0ae65
sha1 b8ae4b509ae2a19a1bd548bac5a333dbbc5ef740
sha256 a505303e213530db0eba74b508757af94b1c0a0d12aa42005975987e6dbaf409
sha512 fc41192f7567339003d28b3a334005ba04b37f980eb157e6d25908d44d110a9623e24c6d8f4f8110710732f42da106f3383f8e16e0bc62d92d84e492870b8ef4
ripemd-160 6774600e8dece9377eb9e028d22aa167acf22c50

21031748 as geometric shapes

Circle

Radius = n
Diameter 42063496
Circumference 132146370.0179
Area 1.3896345766657E+15

Sphere

Radius = n
Volume 3.8968592304692E+22
Surface area 5.5585383066626E+15
Circumference 132146370.0179

Square

Length = n
Perimeter 84126992
Area 442334423935504
Diagonal 29743383.262013

Cube

Length = n
Surface area 2654006543613024
Volume 9.3030661359367E+21
Space diagonal 36428056.107985

Equilateral Triangle

Length = n
Perimeter 63095244
Area 1.9153642404825E+14
Altitude 18214028.053993

Triangular Pyramid

Length = n
Surface area 1.9153642404825E+14
Volume 1.0963768584246E+21
Height 9914461.0873377