20138920 (number)

20138920 is an even 8-digits composite number following 20138919 and preceding 20138921. In scientific notation, it is written as 2.0138920 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors. There are 7963648 positive integers (up to 20138920) that are relatively prime to 20138920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138920 × 10^7
Engineering notation 2.0138920 × 10^6

Prime Factorization of 20138920

Prime Factorization 2 × 2 × 2 × 5 × 89 × 5657

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5034730
Product of the distinct prime numbers

The prime factorization of 20138920 is 2 × 2 × 2 × 5 × 89 × 5657. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 6, 77, 90, 783, 492, 272, 3017, 50172, 27821, 505527, 835591, 3373706, 6454001, 91600500, 56034701, 372390642, 940216576, 3745499309, 464394383

Basic calculations (n = 20138920)

Multiplication

n×y
n×2 40277840
n×3 60416760
n×4 80555680
n×5 100694600

Division

n÷y
n÷2 10069460
n÷3 6712973.3333333
n÷3 5034730
n÷5 4027784

Exponentiation

ny
n2 405576098766400
n3 8.1678646069686E+21
n4 1.6449197189057E+29
n5 3.3126906625465E+36

Nth Root

y√n
2√n 4487.6408055904
3√n 272.06879027123
4√n 66.98985599022
5√n 28.893971184914

Divisors of 20138920

1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5657, 11314, 22628, 28285, 45256, 56570, 113140, 226280, 503473, 1006946, 2013892, 2517365, 4027784, 5034730, 10069460, 20138920

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138920 can be divided by 32 positive divisors. The sum of these divisors (counting 20138920) is 1, the average is 0.03125.

Base conversion 20138920

Base System Value
2 Binary 1001100110100101110101000
3 Ternary 1101220011101221
4 Quaternary 1030310232220
5 Quinary 20123421140
6 Senary 1555351424
8 Octal 114645650
10 Decimal 20138920
12 Duodecimal 68b2574
16 Hexadecimal 1334ba8
20 Vigesimal 65h760
36 Base36 bznag

Cryptographic Hash Functions

md5 17c4a4504163eaae197a93f4f4f4b096
sha1 32643b43957496b9e3e69be521748973521357b7
sha256 0a1b95de1cae3320523c91b79b9eeadd35e9d2024c43a7b05c9162339502b718
sha512 6b685880dc5afc94ea683cef8d351cde72c89880df4ca5c19fd1d6b468ccdba2a9001a1b6b27a235057936339d1f9fda7a04e9ef8c1286de8461f9c337db5a06
ripemd-160 a524aa62415d93b1e4ed6fd1c7b7891657642854

20138920 as geometric shapes

Circle

Radius = n
Diameter 40277840
Circumference 126536566.24647
Area 1.2741548923561E+15

Sphere

Radius = n
Volume 3.4213471259692E+22
Surface area 5.0966195694245E+15
Circumference 126536566.24647

Square

Length = n
Perimeter 80555680
Area 405576098766400
Diagonal 28480733.795547

Cube

Length = n
Surface area 2433456592598400
Volume 8.1678646069686E+21
Space diagonal 34881632.649565

Equilateral Triangle

Length = n
Perimeter 60416760
Area 1.7561960234974E+14
Altitude 17440816.324783

Triangular Pyramid

Length = n
Surface area 1.7561960234974E+14
Volume 9.6259207523352E+20
Height 9493577.9318489