20525981 (number)

20525981 is an odd 8-digits composite number following 20525980 and preceding 20525982. In scientific notation, it is written as 2.0525981 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 17001600 positive integers (up to 20525981) that are relatively prime to 20525981.

Interesting facts

Basic properties

Name

Name twenty million five hundred twenty-five thousand nine hundred eighty-one

Notation

Scientific notation 2.0525981 × 10^7
Engineering notation 2.0525981 × 10^6

Prime Factorization of 20525981

Prime Factorization 7 × 47 × 89 × 701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20525981
Product of the distinct prime numbers

The prime factorization of 20525981 is 7 × 47 × 89 × 701. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20525981)

Multiplication

n×y
n×2 41051962
n×3 61577943
n×4 82103924
n×5 102629905

Division

n÷y
n÷2 10262990.5
n÷3 6841993.6666667
n÷3 5131495.25
n÷5 4105196.2

Exponentiation

ny
n2 421315896012361
n3 8.6479220765477E+21
n4 1.775070842327E+29
n5 3.6435070383258E+36

Nth Root

y√n
2√n 4530.5607820666
3√n 273.80075468228
4√n 67.309440512209
5√n 29.004192877156

Divisors of 20525981

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 -20525980
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 20525981 can be divided by 16 positive divisors. The sum of these divisors (counting 20525981) is 1, the average is 0.0625.

Base conversion 20525981

Base System Value
2 Binary 1001110010011001110011101
3 Ternary 1102121211100112
4 Quaternary 1032103032131
5 Quinary 20223312411
6 Senary 2011535405
8 Octal 116231635
10 Decimal 20525981
12 Duodecimal 6a5a565
16 Hexadecimal 139339d
20 Vigesimal 685ej1
36 Base36 c7xy5

Cryptographic Hash Functions

md5 3cf88487d8e83e6b783811b78bf7e069
sha1 6d72234dbd8c5262b735da1337ba83360b131568
sha256 46ee5098140e66b38ce9b7de91d786f61536840a581e58662d17b5c464366cda
sha512 53fc01a3239e996c3430c931fb6baf5006499858df8c1c6a3475692dbcfdfe37eb4d4efdce4c78fefdfd6bd2f32dd13549e8ebe75a2a72424a7fcb0a78c43db1
ripemd-160 09a42a4547ace4c6164a36d08f5a889a6f16ef13

20525981 as geometric shapes

Circle

Radius = n
Diameter 41051962
Circumference 128968542.23465
Area 1.323602923753E+15

Sphere

Radius = n
Volume 3.6224331285999E+22
Surface area 5.2944116950121E+15
Circumference 128968542.23465

Square

Length = n
Perimeter 82103924
Area 421315896012361
Diagonal 29028120.711212

Cube

Length = n
Surface area 2527895376074166
Volume 8.6479220765477E+21
Space diagonal 35552041.967193

Equilateral Triangle

Length = n
Perimeter 61577943
Area 1.8243513448245E+14
Altitude 17776020.983597

Triangular Pyramid

Length = n
Surface area 1.8243513448245E+14
Volume 1.0191673905833E+21
Height 9676040.2370708