20451998 (number)

20451998 is an even 8-digits composite number following 20451997 and preceding 20451999. In scientific notation, it is written as 2.0451998 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 8765136 positive integers (up to 20451998) that are relatively prime to 20451998.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand nine hundred ninety-eight

Notation

Scientific notation 2.0451998 × 10^7
Engineering notation 2.0451998 × 10^6

Prime Factorization of 20451998

Prime Factorization 2 × 7 × 1460857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20451998
Product of the distinct prime numbers

The prime factorization of 20451998 is 2 × 7 × 1460857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451998)

Multiplication

n×y
n×2 40903996
n×3 61355994
n×4 81807992
n×5 102259990

Division

n÷y
n÷2 10225999
n÷3 6817332.6666667
n÷3 5112999.5
n÷5 4090399.6

Exponentiation

ny
n2 418284222192004
n3 8.5547480757024E+21
n4 1.7496169053477E+29
n5 3.5783161448937E+36

Nth Root

y√n
2√n 4522.3885282006
3√n 273.47139994178
4√n 67.248706516933
5√n 28.983254363893

Divisors of 20451998

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 -20451997
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 20451998 can be divided by 8 positive divisors. The sum of these divisors (counting 20451998) is 1, the average is 0.125.

Base conversion 20451998

Base System Value
2 Binary 1001110000001001010011110
3 Ternary 1102111001212102
4 Quaternary 1032001022132
5 Quinary 20213430443
6 Senary 2010205102
8 Octal 116011236
10 Decimal 20451998
12 Duodecimal 6a23792
16 Hexadecimal 138129e
20 Vigesimal 67g9ji
36 Base36 c6cv2

Cryptographic Hash Functions

md5 095eaa52aea4b47cdaf8e3898c17c879
sha1 b92a86bbde301f62f715b822a170e4be2d53b66c
sha256 d1814bbe1a8bd7fec30dcd47723e3c817371539b09863fff27576db956a88332
sha512 a1b9d2a0edfeef9740642481b37f03a765c44f5aff8de8a14d57a97319f9cdc444f342f4cc485cf4bdc39b466a8c2daca0815e844182ce3f8a207cf8296cacee
ripemd-160 eb538a89045bd17318040d4eb03a84ff92b803e5

20451998 as geometric shapes

Circle

Radius = n
Diameter 40903996
Circumference 128503693.33607
Area 1.3140786395509E+15

Sphere

Radius = n
Volume 3.5834044943918E+22
Surface area 5.2563145582037E+15
Circumference 128503693.33607

Square

Length = n
Perimeter 81807992
Area 418284222192004
Diagonal 28923492.949227

Cube

Length = n
Surface area 2509705333152024
Volume 8.5547480757024E+21
Space diagonal 35423899.652297

Equilateral Triangle

Length = n
Perimeter 61355994
Area 1.8112238121025E+14
Altitude 17711949.826149

Triangular Pyramid

Length = n
Surface area 1.8112238121025E+14
Volume 1.0081867292786E+21
Height 9641164.3164091