21061825 (number)

21061825 is an odd 8-digits composite number following 21061824 and preceding 21061826. In scientific notation, it is written as 2.1061825 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 16849440 positive integers (up to 21061825) that are relatively prime to 21061825.

Interesting facts

Basic properties

Name

Name twenty-one million sixty-one thousand eight hundred twenty-five

Notation

Scientific notation 2.1061825 × 10^7
Engineering notation 2.1061825 × 10^6

Prime Factorization of 21061825

Prime Factorization 25 × 842473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21061825
Product of the distinct prime numbers

The prime factorization of 21061825 is 25 × 842473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 39, 65, 395, 368, 1217, 9371, 93689, 76551, 586929, 739227, 4223179, 6698817, 42432798, 24378164, 496302547, 737504982, 994208620, 459865739

Basic calculations (n = 21061825)

Multiplication

n×y
n×2 42123650
n×3 63185475
n×4 84247300
n×5 105309125

Division

n÷y
n÷2 10530912.5
n÷3 7020608.3333333
n÷3 5265456.25
n÷5 4212365

Exponentiation

ny
n2 443600472330625
n3 9.343035518145E+21
n4 1.9678137905195E+29
n5 4.1445749688509E+36

Nth Root

y√n
2√n 4589.3163978963
3√n 276.16289917976
4√n 67.744493487636
5√n 29.1540705226

Divisors of 21061825

1, 25, 842473, 21061825

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21061824
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21061825 can be divided by 4 positive divisors. The sum of these divisors (counting 21061825) is 1, the average is 0.25.

Base conversion 21061825

Base System Value
2 Binary 1010000010110000011000001
3 Ternary 1110122001101121
4 Quaternary 1100112003001
5 Quinary 20342434300
6 Senary 2031232241
8 Octal 120260301
10 Decimal 21061825
12 Duodecimal 7078681
16 Hexadecimal 14160c1
20 Vigesimal 6bceb5
36 Base36 cjfep

Cryptographic Hash Functions

md5 d7f5e0d88860c167a9a0e0a6715cabcb
sha1 a6bdf370742854079f00c2a92279e9707a94e3a4
sha256 9ebc35a27df98faf8f4f0b895f57b930739a0eecbf27b289a43716f289054003
sha512 2dd36bb5d70173bb0d745bf1f731608833fdeeb240dda20ed6cff893ec263717971f1d77ceea69f49a1d0ae322d781f91b20fef0cbddd206590ef8a12f701953
ripemd-160 2ac6b7fb6102e5b8dbf07c6f2bf0e5c93e499a67

21061825 as geometric shapes

Circle

Radius = n
Diameter 42123650
Circumference 132335349.38239
Area 1.3936119850029E+15

Sphere

Radius = n
Volume 3.9136015661377E+22
Surface area 5.5744479400114E+15
Circumference 132335349.38239

Square

Length = n
Perimeter 84247300
Area 443600472330625
Diagonal 29785918.563329

Cube

Length = n
Surface area 2661602833983750
Volume 9.343035518145E+21
Space diagonal 36480151.000124

Equilateral Triangle

Length = n
Perimeter 63185475
Area 1.9208463908455E+14
Altitude 18240075.500062

Triangular Pyramid

Length = n
Surface area 1.9208463908455E+14
Volume 1.1010872952912E+21
Height 9928639.5211096