20138997 (number)

20138997 is an odd 8-digits composite number following 20138996 and preceding 20138998. In scientific notation, it is written as 2.0138997 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13395200 positive integers (up to 20138997) that are relatively prime to 20138997.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred ninety-seven

Notation

Scientific notation 2.0138997 × 10^7
Engineering notation 2.0138997 × 10^6

Prime Factorization of 20138997

Prime Factorization 3 × 449 × 14951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138997
Product of the distinct prime numbers

The prime factorization of 20138997 is 3 × 449 × 14951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138997)

Multiplication

n×y
n×2 40277994
n×3 60416991
n×4 80555988
n×5 100694985

Division

n÷y
n÷2 10069498.5
n÷3 6712999
n÷3 5034749.25
n÷5 4027799.4

Exponentiation

ny
n2 405579200166009
n3 8.1679582954057E+21
n4 1.644944876073E+29
n5 3.3127539924399E+36

Nth Root

y√n
2√n 4487.6493847002
3√n 272.06913701723
4√n 66.989920023091
5√n 28.893993279767

Divisors of 20138997

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 -20138996
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 20138997 can be divided by 8 positive divisors. The sum of these divisors (counting 20138997) is 1, the average is 0.125.

Base conversion 20138997

Base System Value
2 Binary 1001100110100101111110101
3 Ternary 1101220011111210
4 Quaternary 1030310233311
5 Quinary 20123421442
6 Senary 1555352033
8 Octal 114645765
10 Decimal 20138997
12 Duodecimal 68b2619
16 Hexadecimal 1334bf5
20 Vigesimal 65h79h
36 Base36 bzncl

Cryptographic Hash Functions

md5 f0d4761facc780279968469575be51f9
sha1 770ed812f42002c3ac6f868dc5e2e3ce13edfb95
sha256 8d0c051ac7fddf67157a236e879ff6b6fe6eef10ecdac4d04cf0333a7f66ad66
sha512 b8c641794788bf6766272eb79c6b690e05133b676eac2d1612cf47c6a7ca6e335e2c5fbf8c0addd1273e0faa527f60e09c8f7cc2554efeda5627ebae34eecdb5
ripemd-160 4e6df26d088e14ca342f6fa6e5cf45b5c526c4f1

20138997 as geometric shapes

Circle

Radius = n
Diameter 40277994
Circumference 126537050.05173
Area 1.2741646356904E+15

Sphere

Radius = n
Volume 3.4213863700899E+22
Surface area 5.0966585427614E+15
Circumference 126537050.05173

Square

Length = n
Perimeter 80555988
Area 405579200166009
Diagonal 28480842.689991

Cube

Length = n
Surface area 2433475200996054
Volume 8.1679582954057E+21
Space diagonal 34881766.017477

Equilateral Triangle

Length = n
Perimeter 60416991
Area 1.7562094529517E+14
Altitude 17440883.008739

Triangular Pyramid

Length = n
Surface area 1.7562094529517E+14
Volume 9.6260311652171E+20
Height 9493614.229997