21132979 (number)

21132979 is an odd 8-digits composite number following 21132978 and preceding 21132980. In scientific notation, it is written as 2.1132979 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 17529480 positive integers (up to 21132979) that are relatively prime to 21132979.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-two thousand nine hundred seventy-nine

Notation

Scientific notation 2.1132979 × 10^7
Engineering notation 2.1132979 × 10^6

Prime Factorization of 21132979

Prime Factorization 7 × 31 × 97387

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21132979
Product of the distinct prime numbers

The prime factorization of 21132979 is 7 × 31 × 97387. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21132979)

Multiplication

n×y
n×2 42265958
n×3 63398937
n×4 84531916
n×5 105664895

Division

n÷y
n÷2 10566489.5
n÷3 7044326.3333333
n÷3 5283244.75
n÷5 4226595.8

Exponentiation

ny
n2 446602801414441
n3 9.4380476236326E+21
n4 1.9945406223123E+29
n5 4.2150585085972E+36

Nth Root

y√n
2√n 4597.0619965365
3√n 276.47354032211
4√n 67.801637122834
5√n 29.173742428076

Divisors of 21132979

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 -21132978
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 21132979 can be divided by 8 positive divisors. The sum of these divisors (counting 21132979) is 1, the average is 0.125.

Base conversion 21132979

Base System Value
2 Binary 1010000100111011010110011
3 Ternary 1110202122222221
4 Quaternary 1100213122303
5 Quinary 20402223404
6 Senary 2032541511
8 Octal 120473263
10 Decimal 21132979
12 Duodecimal 70b1897
16 Hexadecimal 14276b3
20 Vigesimal 6c1c8j
36 Base36 ckyb7

Cryptographic Hash Functions

md5 3a225ddaa2db2c4d43817151dce37b21
sha1 206e45d96ffb5505d82d706d315564d3e924eeb7
sha256 d128b16a95c544ff422f270074e298c050cb82134077784c991a318b7b52d6ea
sha512 430d3c77d52a3063748a9247c58403f311b1a8a1398f6ee4bb4b1c54b7e5c953e4b413bd548ce35df12b65a471997dd41c123d25fbd6008e62f686e40fa975c1
ripemd-160 1ff65ce6e0a535aed743558653526c94819d746a

21132979 as geometric shapes

Circle

Radius = n
Diameter 42265958
Circumference 132782423.14973
Area 1.4030440799962E+15

Sphere

Radius = n
Volume 3.953400143818E+22
Surface area 5.6121763199849E+15
Circumference 132782423.14973

Square

Length = n
Perimeter 84531916
Area 446602801414441
Diagonal 29886545.515146

Cube

Length = n
Surface area 2679616808486646
Volume 9.4380476236326E+21
Space diagonal 36603393.343286

Equilateral Triangle

Length = n
Perimeter 63398937
Area 1.933846857131E+14
Altitude 18301696.671643

Triangular Pyramid

Length = n
Surface area 1.933846857131E+14
Volume 1.1122845793054E+21
Height 9962181.8383819