19998997 (number)

19998997 is an odd 8-digits composite number following 19998996 and preceding 19998998. In scientific notation, it is written as 1.9998997 × 10^7. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 19960236 positive integers (up to 19998997) that are relatively prime to 19998997.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-eight thousand nine hundred ninety-seven

Notation

Scientific notation 1.9998997 × 10^7
Engineering notation 1.9998997 × 10^6

Prime Factorization of 19998997

Prime Factorization 523 × 38239

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19998997
Product of the distinct prime numbers

The prime factorization of 19998997 is 523 × 38239. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19998997)

Multiplication

n×y
n×2 39997994
n×3 59996991
n×4 79995988
n×5 99994985

Division

n÷y
n÷2 9999498.5
n÷3 6666332.3333333
n÷3 4999749.25
n÷5 3999799.4

Exponentiation

ny
n2 399959881006009
n3 7.9987964603595E+21
n4 1.5996790641434E+29
n5 3.1991976804767E+36

Nth Root

y√n
2√n 4472.0238147845
3√n 271.43722398219
4√n 66.873192048717
5√n 28.853708706737

Divisors of 19998997

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19998996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19998997 can be divided by 4 positive divisors. The sum of these divisors (counting 19998997) is 1, the average is 0.25.

Base conversion 19998997

Base System Value
2 Binary 1001100010010100100010101
3 Ternary 1101122001110121
4 Quaternary 1030102210111
5 Quinary 20104431442
6 Senary 1552351541
8 Octal 114224425
10 Decimal 19998997
12 Duodecimal 68455b1
16 Hexadecimal 1312915
20 Vigesimal 64jh9h
36 Base36 bwnbp

Cryptographic Hash Functions

md5 494dc837cff09d6917928653c2cf483b
sha1 93e166bdeda498cb2bf081d51e7056900b5d6098
sha256 649324de6fed4232b7628f66b3558b5e9353b350118c6273ced6b5388daec1dd
sha512 23afdf5cf3221bbb0474586c15446f72c4d4f48b728950939a0668f2c720135bcba06adf96c56d51a3a559edb290460225dca4233763f6bbfb6f16162a3bcb5f
ripemd-160 66362354a6d5785d335414035495a1a6693a6a98

19998997 as geometric shapes

Circle

Radius = n
Diameter 39997994
Circumference 125657404.10873
Area 1.2565110238991E+15

Sphere

Radius = n
Volume 3.3505280263234E+22
Surface area 5.0260440955965E+15
Circumference 125657404.10873

Square

Length = n
Perimeter 79995988
Area 399959881006009
Diagonal 28282852.791259

Cube

Length = n
Surface area 2399759286036054
Volume 7.9987964603595E+21
Space diagonal 34639278.904418

Equilateral Triangle

Length = n
Perimeter 59996991
Area 1.731877087229E+14
Altitude 17319639.452209

Triangular Pyramid

Length = n
Surface area 1.731877087229E+14
Volume 9.426672030752E+20
Height 9427617.5970863