20597981 (number)

20597981 is an odd 8-digits composite number following 20597980 and preceding 20597982. In scientific notation, it is written as 2.0597981 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 19818000 positive integers (up to 20597981) that are relatively prime to 20597981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0597981 × 10^7
Engineering notation 2.0597981 × 10^6

Prime Factorization of 20597981

Prime Factorization 31 × 181 × 3671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20597981
Product of the distinct prime numbers

The prime factorization of 20597981 is 31 × 181 × 3671. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20597981)

Multiplication

n×y
n×2 41195962
n×3 61793943
n×4 82391924
n×5 102989905

Division

n÷y
n÷2 10298990.5
n÷3 6865993.6666667
n÷3 5149495.25
n÷5 4119596.2

Exponentiation

ny
n2 424276821276361
n3 8.7392459033909E+21
n4 1.8001082107237E+29
n5 3.7078594722431E+36

Nth Root

y√n
2√n 4538.4998622893
3√n 274.12052257327
4√n 67.368389191737
5√n 29.024512275707

Divisors of 20597981

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 -20597980
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 20597981 can be divided by 8 positive divisors. The sum of these divisors (counting 20597981) is 1, the average is 0.125.

Base conversion 20597981

Base System Value
2 Binary 1001110100100110011011101
3 Ternary 1102202111010012
4 Quaternary 1032210303131
5 Quinary 20233113411
6 Senary 2013253005
8 Octal 116446335
10 Decimal 20597981
12 Duodecimal 6a94165
16 Hexadecimal 13a4cdd
20 Vigesimal 68eej1
36 Base36 c9hi5

Cryptographic Hash Functions

md5 53bf0c933c1f202760e213009d0f8b4c
sha1 f62a7953a76985f6612c5f4e3b003f71d4e6d7e9
sha256 15f0c18731bc1b13b701032469a7f57f7d0662c27663cc580a0cf6ef4cb569ba
sha512 9dc1b0d35fac18b2215b268701c4de9ff0d8d8f5fcc186a1fab0376bc46aab4f84a9b7c776222316aebf147120d1d9f629be309337b103525febdc986bf48510
ripemd-160 baaaa7458ed76c972e0fa740378cc074bfde2897

20597981 as geometric shapes

Circle

Radius = n
Diameter 41195962
Circumference 129420931.57676
Area 1.3329049448102E+15

Sphere

Radius = n
Volume 3.6606867637343E+22
Surface area 5.331619779241E+15
Circumference 129420931.57676

Square

Length = n
Perimeter 82391924
Area 424276821276361
Diagonal 29129944.087703

Cube

Length = n
Surface area 2545660927658166
Volume 8.7392459033909E+21
Space diagonal 35676749.625338

Equilateral Triangle

Length = n
Perimeter 61793943
Area 1.8371725273112E+14
Altitude 17838374.812669

Triangular Pyramid

Length = n
Surface area 1.8371725273112E+14
Volume 1.0299300067907E+21
Height 9709981.3625678