19997965 (number)

19997965 is an odd 8-digits composite number following 19997964 and preceding 19997966. In scientific notation, it is written as 1.9997965 × 10^7. The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors. There are 14120064 positive integers (up to 19997965) that are relatively prime to 19997965.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand nine hundred sixty-five

Notation

Scientific notation 1.9997965 × 10^7
Engineering notation 1.9997965 × 10^6

Prime Factorization of 19997965

Prime Factorization 65 × 29 × 103 × 103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 194155
Product of the distinct prime numbers

The prime factorization of 19997965 is 65 × 29 × 103 × 103. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19997965)

Multiplication

n×y
n×2 39995930
n×3 59993895
n×4 79991860
n×5 99989825

Division

n÷y
n÷2 9998982.5
n÷3 6665988.3333333
n÷3 4999491.25
n÷5 3999593

Exponentiation

ny
n2 399918604141225
n3 7.9975582484651E+21
n4 1.5993488993827E+29
n5 3.1983723312643E+36

Nth Root

y√n
2√n 4471.908429295
3√n 271.43255494747
4√n 66.87232932458
5√n 28.853410915383

Divisors of 19997965

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19997964
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19997965 can be divided by 12 positive divisors. The sum of these divisors (counting 19997965) is 1, the average is 0.083333333333333.

Base conversion 19997965

Base System Value
2 Binary 1001100010010010100001101
3 Ternary 1101122000001101
4 Quaternary 1030102110031
5 Quinary 20104413330
6 Senary 1552343101
8 Octal 114222415
10 Decimal 19997965
12 Duodecimal 6844a91
16 Hexadecimal 131250d
20 Vigesimal 64jei5
36 Base36 bwmj1

Cryptographic Hash Functions

md5 3b1255f24b2b77f627305af9f79a4617
sha1 74ed16bc281cc54e7aa647f29761828af185d074
sha256 b5bdec50651b07cb78c258cc9ad722dd5a281110e486c50986c006dde696ed41
sha512 0420a968d2e0340c42488df9fd3b11cc8a2c6a95b98c8cf6923cbad7fe5387d9b0469f3026425e0166f435167acafbf0e98a6f47f9a569c92dc0bb3c39c609c6
ripemd-160 177976f18542d2b720247570f5029764f7fa32b5

19997965 as geometric shapes

Circle

Radius = n
Diameter 39995930
Circumference 125650919.86149
Area 1.256381348804E+15

Sphere

Radius = n
Volume 3.3500093653379E+22
Surface area 5.0255253952158E+15
Circumference 125650919.86149

Square

Length = n
Perimeter 79991860
Area 399918604141225
Diagonal 28281393.322862

Cube

Length = n
Surface area 2399511624847350
Volume 7.9975582484651E+21
Space diagonal 34637491.427984

Equilateral Triangle

Length = n
Perimeter 59993895
Area 1.7316983531616E+14
Altitude 17318745.713992

Triangular Pyramid

Length = n
Surface area 1.7316983531616E+14
Volume 9.4252127840401E+20
Height 9427131.1076208