19997938 (number)

19997938 is an even 8-digits composite number following 19997937 and preceding 19997939. In scientific notation, it is written as 1.9997938 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 9998968 positive integers (up to 19997938) that are relatively prime to 19997938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9997938 × 10^7
Engineering notation 1.9997938 × 10^6

Prime Factorization of 19997938

Prime Factorization 2 × 9998969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19997938
Product of the distinct prime numbers

The prime factorization of 19997938 is 2 × 9998969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 88, 5, 875, 994, 5672, 1142, 84604, 56866, 171178, 710210, 2453167, 7756884, 14731122, 85244271, 528594368, 41860992, 8831892819, 2389588728

Basic calculations (n = 19997938)

Multiplication

n×y
n×2 39995876
n×3 59993814
n×4 79991752
n×5 99989690

Division

n÷y
n÷2 9998969
n÷3 6665979.3333333
n÷3 4999484.5
n÷5 3999587.6

Exponentiation

ny
n2 399917524251844
n3 7.9975258551019E+21
n4 1.5993402620372E+29
n5 3.1983507401125E+36

Nth Root

y√n
2√n 4471.9054104487
3√n 271.43243279034
4√n 66.87230675286
5√n 28.853403124165

Divisors of 19997938

1, 2, 9998969, 19997938

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 -19997937
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 19997938 can be divided by 4 positive divisors. The sum of these divisors (counting 19997938) is 1, the average is 0.25.

Base conversion 19997938

Base System Value
2 Binary 1001100010010010011110010
3 Ternary 1101122000000101
4 Quaternary 1030102103302
5 Quinary 20104413223
6 Senary 1552343014
8 Octal 114222362
10 Decimal 19997938
12 Duodecimal 6844a6a
16 Hexadecimal 13124f2
20 Vigesimal 64jegi
36 Base36 bwmia

Cryptographic Hash Functions

md5 8d3409de3406540632404c585685e03e
sha1 d45c7cb0d67884499a5ccc5fc392bb72634c1c76
sha256 efd9198c2aa5f963b23358d1bd0e0f04629cc2fac2019e307f6edca2e87b276e
sha512 304e3bf10710b007de28205b9b061700c06a2e42cca84020b78483085eb844191e4ef96972ec1e817286daa85fa320efdd5446ce2f64f5ad50ac104ab2e054d8
ripemd-160 db2d1eec7881182c0d310fd1c505c9d3af15fae4

19997938 as geometric shapes

Circle

Radius = n
Diameter 39995876
Circumference 125650750.21549
Area 1.2563779562314E+15

Sphere

Radius = n
Volume 3.3499957964377E+22
Surface area 5.0255118249256E+15
Circumference 125650750.21549

Square

Length = n
Perimeter 79991752
Area 399917524251844
Diagonal 28281355.139096

Cube

Length = n
Surface area 2399505145511064
Volume 7.9975258551019E+21
Space diagonal 34637444.662612

Equilateral Triangle

Length = n
Perimeter 59993814
Area 1.7316936771034E+14
Altitude 17318722.331306

Triangular Pyramid

Length = n
Surface area 1.7316936771034E+14
Volume 9.4251746080955E+20
Height 9427118.3796988