21497930 (number)

21497930 is an even 8-digits composite number following 21497929 and preceding 21497931. In scientific notation, it is written as 2.1497930 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 8146512 positive integers (up to 21497930) that are relatively prime to 21497930.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand nine hundred thirty

Notation

Scientific notation 2.1497930 × 10^7
Engineering notation 2.1497930 × 10^6

Prime Factorization of 21497930

Prime Factorization 2 × 95 × 113147

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497930
Product of the distinct prime numbers

The prime factorization of 21497930 is 2 × 95 × 113147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497930)

Multiplication

n×y
n×2 42995860
n×3 64493790
n×4 85991720
n×5 107489650

Division

n÷y
n÷2 10748965
n÷3 7165976.6666667
n÷3 5374482.5
n÷5 4299586

Exponentiation

ny
n2 462160994284900
n3 9.9355047038672E+21
n4 2.1359278463841E+29
n5 4.5918027326616E+36

Nth Root

y√n
2√n 4636.5860285344
3√n 278.05596409672
4√n 68.092481439101
5√n 29.273815334829

Divisors of 21497930

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497929
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497930 can be divided by 8 positive divisors. The sum of these divisors (counting 21497930) is 1, the average is 0.125.

Base conversion 21497930

Base System Value
2 Binary 1010010000000100001001010
3 Ternary 1111110012121122
4 Quaternary 1102000201022
5 Quinary 21000413210
6 Senary 2044435242
8 Octal 122004112
10 Decimal 21497930
12 Duodecimal 7248b22
16 Hexadecimal 148084a
20 Vigesimal 6e74ga
36 Base36 csrwq

Cryptographic Hash Functions

md5 47e6fe244daa3fe2846f2a7735469309
sha1 ddce5290c761c3a870fc190bdf67b59057b7e072
sha256 2c3fb721f3626a5a0a17422bebd9f8deaee7c3a3bba075bb4b22362aa8835c28
sha512 6b53c7785c9540778667b3a7b166959350bd7e647a20b83dc1423f65e21dcc46e6b6f2139048409f3778f9b3bc2a5928956b19515aa0acd60e7d5e8811b32752
ripemd-160 f86500239f4be672371a8b6a833eaff17f48eea0

21497930 as geometric shapes

Circle

Radius = n
Diameter 42995860
Circumference 135075477.91078
Area 1.4519215844212E+15

Sphere

Radius = n
Volume 4.1617744783168E+22
Surface area 5.8076863376848E+15
Circumference 135075477.91078

Square

Length = n
Perimeter 85991720
Area 462160994284900
Diagonal 30402664.168947

Cube

Length = n
Surface area 2772965965709400
Volume 9.9355047038672E+21
Space diagonal 37235507.017559

Equilateral Triangle

Length = n
Perimeter 64493790
Area 2.001215808445E+14
Altitude 18617753.50878

Triangular Pyramid

Length = n
Surface area 2.001215808445E+14
Volume 1.1709104584359E+21
Height 10134221.389649