21057725 (number)

21057725 is an odd 8-digits composite number following 21057724 and preceding 21057726. In scientific notation, it is written as 2.1057725 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 15550080 positive integers (up to 21057725) that are relatively prime to 21057725.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1057725 × 10^7
Engineering notation 2.1057725 × 10^6

Prime Factorization of 21057725

Prime Factorization 65 × 5 × 64793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21057725
Product of the distinct prime numbers

The prime factorization of 21057725 is 65 × 5 × 64793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21057725)

Multiplication

n×y
n×2 42115450
n×3 63173175
n×4 84230900
n×5 105288625

Division

n÷y
n÷2 10528862.5
n÷3 7019241.6666667
n÷3 5264431.25
n÷5 4211545

Exponentiation

ny
n2 443427782175625
n3 9.3375802944142E+21
n4 1.9662819800519E+29
n5 4.1405425208389E+36

Nth Root

y√n
2√n 4588.869686535
3√n 276.14497826731
4√n 67.741196376614
5√n 29.152935378825

Divisors of 21057725

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 -21057724
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 21057725 can be divided by 8 positive divisors. The sum of these divisors (counting 21057725) is 1, the average is 0.125.

Base conversion 21057725

Base System Value
2 Binary 1010000010101000010111101
3 Ternary 1110121211202202
4 Quaternary 1100111002331
5 Quinary 20342321400
6 Senary 2031201245
8 Octal 120250275
10 Decimal 21057725
12 Duodecimal 7076225
16 Hexadecimal 14150bd
20 Vigesimal 6bc465
36 Base36 cjc8t

Cryptographic Hash Functions

md5 c6dd8f1faf192cb716a41fd9dc6d636b
sha1 b62309b2f8abbe68e57c0572547bbb5c553cdec8
sha256 8c6a0166f4a19dad8c26f8375604e5992979af0f139051bc1c34f76d77599d07
sha512 4ce72af5ac955672c2bf31cee03c42706ad6cd7362c69bf4424f8011664347cd268ab1ace63715ce354427d2b0e06aba9e390831832af1a62bce437f1329c2b3
ripemd-160 d14e05ec9bfaa7b6d4d29bcd8fdcbe2337875532

21057725 as geometric shapes

Circle

Radius = n
Diameter 42115450
Circumference 132309588.32263
Area 1.3930694628806E+15

Sphere

Radius = n
Volume 3.9113164873649E+22
Surface area 5.5722778515222E+15
Circumference 132309588.32263

Square

Length = n
Perimeter 84230900
Area 443427782175625
Diagonal 29780120.287723

Cube

Length = n
Surface area 2660566693053750
Volume 9.3375802944142E+21
Space diagonal 36473049.591813

Equilateral Triangle

Length = n
Perimeter 63173175
Area 1.9200986205394E+14
Altitude 18236524.795907

Triangular Pyramid

Length = n
Surface area 1.9200986205394E+14
Volume 1.100444391009E+21
Height 9926706.7625743