21051625 (number)

21051625 is an odd 8-digits composite number following 21051624 and preceding 21051626. In scientific notation, it is written as 2.1051625 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors. There are 14406000 positive integers (up to 21051625) that are relatively prime to 21051625.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand six hundred twenty-five

Notation

Scientific notation 2.1051625 × 10^7
Engineering notation 2.1051625 × 10^6

Prime Factorization of 21051625

Prime Factorization 5 × 7 × 25 × 7 × 7 × 491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 429625
Product of the distinct prime numbers

The prime factorization of 21051625 is 5 × 7 × 25 × 7 × 7 × 491. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 80, 92, 698, 641, 2598, 2571, 15051, 63249, 390094, 766194, 8199962, 1720879, 9395344, 71212756, 690561013, 622758646, 2586233639, 2752161800

Basic calculations (n = 21051625)

Multiplication

n×y
n×2 42103250
n×3 63154875
n×4 84206500
n×5 105258125

Division

n÷y
n÷2 10525812.5
n÷3 7017208.3333333
n÷3 5262906.25
n÷5 4210325

Exponentiation

ny
n2 443170915140625
n3 9.3294679164473E+21
n4 1.9640046002658E+29
n5 4.134548834307E+36

Nth Root

y√n
2√n 4588.2049867023
3√n 276.11831114083
4√n 67.736290027594
5√n 29.151246179111

Divisors of 21051625

1, 5, 7, 25, 35, 49, 125, 175, 245, 343, 491, 875, 1225, 1715, 2455, 3437, 6125, 8575, 12275, 17185, 24059, 42875, 61375, 85925, 120295, 168413, 429625, 601475, 842065, 3007375, 4210325, 21051625

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051624
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051625 can be divided by 32 positive divisors. The sum of these divisors (counting 21051625) is 1, the average is 0.03125.

Base conversion 21051625

Base System Value
2 Binary 1010000010011100011101001
3 Ternary 1110121112101211
4 Quaternary 1100103203221
5 Quinary 20342123000
6 Senary 2031113121
8 Octal 120234351
10 Decimal 21051625
12 Duodecimal 70727a1
16 Hexadecimal 14138e9
20 Vigesimal 6bb915
36 Base36 cj7jd

Cryptographic Hash Functions

md5 8beae38d9cc729f10136f5d5acc52a3b
sha1 0f8b900febe3b48c56624bb8412fa9f69497b07c
sha256 559d848753adabc238fcc0b1219913deacf6976872ac5ebc0eb2259621354c59
sha512 947df5a5540758edf01829885c70925fb8295aee20ef882a78858a6165b0c21f30a2b7c60adbb3aa6176bcd049417fe17e78fd624a66b695afce16ae1abd120c
ripemd-160 69c62df7b443e6e472fb03b14cc1cdf42ddbe946

21051625 as geometric shapes

Circle

Radius = n
Diameter 42103250
Circumference 132271260.89225
Area 1.3922624912905E+15

Sphere

Radius = n
Volume 3.9079183824283E+22
Surface area 5.5690499651618E+15
Circumference 132271260.89225

Square

Length = n
Perimeter 84206500
Area 443170915140625
Diagonal 29771493.584993

Cube

Length = n
Surface area 2659025490843750
Volume 9.3294679164473E+21
Space diagonal 36462484.081887

Equilateral Triangle

Length = n
Perimeter 63154875
Area 1.9189863536509E+14
Altitude 18231242.040944

Triangular Pyramid

Length = n
Surface area 1.9189863536509E+14
Volume 1.099488338097E+21
Height 9923831.1949975