21354925 (number)

21354925 is an odd 8-digits composite number following 21354924 and preceding 21354926. In scientific notation, it is written as 2.1354925 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 16340720 positive integers (up to 21354925) that are relatively prime to 21354925.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-four thousand nine hundred twenty-five

Notation

Scientific notation 2.1354925 × 10^7
Engineering notation 2.1354925 × 10^6

Prime Factorization of 21354925

Prime Factorization 5 × 5 × 23 × 37139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4270985
Product of the distinct prime numbers

The prime factorization of 21354925 is 5 × 5 × 23 × 37139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 21, 98, 287, 906, 9701, 6662, 62040, 48675, 788195, 850966, 2611030, 4831796, 97041987, 32144046, 658757248, 570481155, 2119363534, 9419745919

Basic calculations (n = 21354925)

Multiplication

n×y
n×2 42709850
n×3 64064775
n×4 85419700
n×5 106774625

Division

n÷y
n÷2 10677462.5
n÷3 7118308.3333333
n÷3 5338731.25
n÷5 4270985

Exponentiation

ny
n2 456032821755625
n3 9.7385467061297E+21
n4 2.079659345184E+29
n5 4.4410969341953E+36

Nth Root

y√n
2√n 4621.1389288789
3√n 277.43804585056
4√n 67.978959457165
5√n 29.23476519744

Divisors of 21354925

1, 5, 23, 25, 115, 575, 37139, 185695, 854197, 928475, 4270985, 21354925

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 -21354924
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 21354925 can be divided by 12 positive divisors. The sum of these divisors (counting 21354925) is 1, the average is 0.083333333333333.

Base conversion 21354925

Base System Value
2 Binary 1010001011101100110101101
3 Ternary 1111011221110011
4 Quaternary 1101131212231
5 Quinary 20431324200
6 Senary 2041413221
8 Octal 121354655
10 Decimal 21354925
12 Duodecimal 719a211
16 Hexadecimal 145d9ad
20 Vigesimal 6d9765
36 Base36 cppkd

Cryptographic Hash Functions

md5 8a9626c7c7f054b779972c368faaa464
sha1 483b42d62c3d863631108bbf4cccdd74f50f1c6c
sha256 4f1b4d9dc3258b664a1f37ff41188123c68fc4a9668d8408d0ea0fccbf65a231
sha512 32ddfbefe015fe96362216435b00719442d70fc67fb868e70b344af182ea1abb96df50f9de393fd8eadebb3afd24efc8782919f62c419226612cb57201a19e58
ripemd-160 d5c3fa5147a84134227f1bc89bb8f4cbb0b81533

21354925 as geometric shapes

Circle

Radius = n
Diameter 42709850
Circumference 134176950.99592
Area 1.4326693626233E+15

Sphere

Radius = n
Volume 4.0792729051491E+22
Surface area 5.7306774504932E+15
Circumference 134176950.99592

Square

Length = n
Perimeter 85419700
Area 456032821755625
Diagonal 30200424.55846

Cube

Length = n
Surface area 2736196930533750
Volume 9.7385467061297E+21
Space diagonal 36987815.091823

Equilateral Triangle

Length = n
Perimeter 64064775
Area 1.9746800429994E+14
Altitude 18493907.545911

Triangular Pyramid

Length = n
Surface area 1.9746800429994E+14
Volume 1.147698735801E+21
Height 10066808.186153