21492975 (number)

21492975 is an odd 8-digits composite number following 21492974 and preceding 21492976. In scientific notation, it is written as 2.1492975 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 9825120 positive integers (up to 21492975) that are relatively prime to 21492975.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred seventy-five

Notation

Scientific notation 2.1492975 × 10^7
Engineering notation 2.1492975 × 10^6

Prime Factorization of 21492975

Prime Factorization 25 × 7 × 3 × 40939

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492975
Product of the distinct prime numbers

The prime factorization of 21492975 is 25 × 7 × 3 × 40939. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492975)

Multiplication

n×y
n×2 42985950
n×3 64478925
n×4 85971900
n×5 107464875

Division

n÷y
n÷2 10746487.5
n÷3 7164325
n÷3 5373243.75
n÷5 4298595

Exponentiation

ny
n2 461947974350625
n3 9.9286362640186E+21
n4 2.1339593100665E+29
n5 4.5865134102276E+36

Nth Root

y√n
2√n 4636.0516606267
3√n 278.03459966507
4√n 68.088557486752
5√n 29.272465761825

Divisors of 21492975

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492974
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492975 can be divided by 16 positive divisors. The sum of these divisors (counting 21492975) is 1, the average is 0.0625.

Base conversion 21492975

Base System Value
2 Binary 1010001111111010011101111
3 Ternary 1111102221211010
4 Quaternary 1101333103233
5 Quinary 21000233400
6 Senary 2044400303
8 Octal 121772357
10 Decimal 21492975
12 Duodecimal 7246093
16 Hexadecimal 147f4ef
20 Vigesimal 6e6c8f
36 Base36 cso33

Cryptographic Hash Functions

md5 ce7e889d8ef49dd9581502beab0ef171
sha1 9d8aa56bc4e5a593ee83dfd35be301e96a4b41a5
sha256 d3270e230e68d61481a49f9586eb56fb20c4e8de0756ec123d67fc18c6b5f1f5
sha512 838c675f74a059c81bb541e70cbd7995eccbcf960ccfe22f5023192952c80300a496dd72dd4e62f58e24cf0d16aaf809ee70b02edae0ef9a3bc3749caf5f3e02
ripemd-160 8a63f921dd4d8a7f73275af11c71c8426b2e73df

21492975 as geometric shapes

Circle

Radius = n
Diameter 42985950
Circumference 135044344.72758
Area 1.4512523625606E+15

Sphere

Radius = n
Volume 4.1588974329608E+22
Surface area 5.8050094502424E+15
Circumference 135044344.72758

Square

Length = n
Perimeter 85971900
Area 461947974350625
Diagonal 30395656.740746

Cube

Length = n
Surface area 2771687846103750
Volume 9.9286362640186E+21
Space diagonal 37226924.705808

Equilateral Triangle

Length = n
Perimeter 64478925
Area 2.000293405072E+14
Altitude 18613462.352904

Triangular Pyramid

Length = n
Surface area 2.000293405072E+14
Volume 1.170101005037E+21
Height 10131885.580249