20397961 (number)

20397961 is an odd 8-digits prime number following 20397960 and preceding 20397962. In scientific notation, it is written as 2.0397961 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 20397960 positive integers (up to 20397961) that are relatively prime to 20397961.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-seven thousand nine hundred sixty-one

Notation

Scientific notation 2.0397961 × 10^7
Engineering notation 2.0397961 × 10^6

Prime Factorization of 20397961

Prime Factorization 20397961

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20397961
Product of the distinct prime numbers

The prime factorization of 20397961 is 20397961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20397961)

Multiplication

n×y
n×2 40795922
n×3 61193883
n×4 81591844
n×5 101989805

Division

n÷y
n÷2 10198980.5
n÷3 6799320.3333333
n÷3 5099490.25
n÷5 4079592.2

Exponentiation

ny
n2 416076812957521
n3 8.4871186037118E+21
n4 1.7311991428089E+29
n5 3.5312932598249E+36

Nth Root

y√n
2√n 4516.41018952
3√n 273.23033778944
4√n 67.204242347637
5√n 28.967922600631

Divisors of 20397961

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20397962
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10198981
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4516.4103002274
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999901951
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20397961 can be divided by 2 positive divisors. The sum of these divisors (counting 20397961) is 20397962, the average is 10198981.

Base conversion 20397961

Base System Value
2 Binary 1001101110011111110001001
3 Ternary 1102101022202001
4 Quaternary 1031303332021
5 Quinary 20210213321
6 Senary 2005111001
8 Octal 115637611
10 Decimal 20397961
12 Duodecimal 69b8461
16 Hexadecimal 1373f89
20 Vigesimal 679ei1
36 Base36 c5761

Cryptographic Hash Functions

md5 46b30ac2990b693061cf8fbb308d774f
sha1 21c816a115a30428b7f6eb2604178ea9daafd86e
sha256 ff34842ad317d844e4ad0dc3e7ea0cd356daef9c0d17bcc7c5dbf185ecc300d5
sha512 1809194814843e243eaf94a43649bc1718d3c1e37d11632898c8a1190c6e459f59334217f18e289c45e66c7bc229937d30fbceb7edb577a5f20f9e7aedde2657
ripemd-160 e21cb04538fd8641179f8274157511853c28da78

20397961 as geometric shapes

Circle

Radius = n
Diameter 40795922
Circumference 128164168.85162
Area 1.3071438589164E+15

Sphere

Radius = n
Volume 3.5550759274088E+22
Surface area 5.2285754356656E+15
Circumference 128164168.85162

Square

Length = n
Perimeter 81591844
Area 416076812957521
Diagonal 28847073.090957

Cube

Length = n
Surface area 2496460877745126
Volume 8.4871186037118E+21
Space diagonal 35330304.822808

Equilateral Triangle

Length = n
Perimeter 61193883
Area 1.8016654497344E+14
Altitude 17665152.411404

Triangular Pyramid

Length = n
Surface area 1.8016654497344E+14
Volume 1.0002165195699E+21
Height 9615691.0303192