20138908 (number)

20138908 is an even 8-digits composite number following 20138907 and preceding 20138909. In scientific notation, it is written as 2.0138908 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 10046960 positive integers (up to 20138908) that are relatively prime to 20138908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138908 × 10^7
Engineering notation 2.0138908 × 10^6

Prime Factorization of 20138908

Prime Factorization 2 × 2 × 467 × 10781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10069454
Product of the distinct prime numbers

The prime factorization of 20138908 is 2 × 2 × 467 × 10781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 38, 81, 881, 594, 9816, 4764, 48748, 19978, 593103, 162812, 1286211, 412099, 33614609, 98256743, 314195964, 285502580, 354390023, 1785867497

Basic calculations (n = 20138908)

Multiplication

n×y
n×2 40277816
n×3 60416724
n×4 80555632
n×5 100694540

Division

n÷y
n÷2 10069454
n÷3 6712969.3333333
n÷3 5034727
n÷5 4027781.6

Exponentiation

ny
n2 405575615432464
n3 8.1678500062378E+21
n4 1.6449157983342E+29
n5 3.3126807930399E+36

Nth Root

y√n
2√n 4487.6394685848
3√n 272.06873623281
4√n 66.989846011054
5√n 28.893967741554

Divisors of 20138908

1, 2, 4, 467, 934, 1868, 10781, 21562, 43124, 5034727, 10069454, 20138908

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 -20138907
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 20138908 can be divided by 12 positive divisors. The sum of these divisors (counting 20138908) is 1, the average is 0.083333333333333.

Base conversion 20138908

Base System Value
2 Binary 1001100110100101110011100
3 Ternary 1101220011101111
4 Quaternary 1030310232130
5 Quinary 20123421113
6 Senary 1555351404
8 Octal 114645634
10 Decimal 20138908
12 Duodecimal 68b2564
16 Hexadecimal 1334b9c
20 Vigesimal 65h758
36 Base36 bzna4

Cryptographic Hash Functions

md5 f617c4758111273f13f322c684a3638e
sha1 3cbcbefe712a97f41586438ce58d4d5ea043470d
sha256 0a38b2f4c300107dda4525b4207c267a07fd6f93e68f65237723d463bf0885f6
sha512 3c4c422820b16dc85771d5380b95067084f8ac61075de46a0637c1f9f98a43f84d12ad053f302599cbda9f732009c6fced70f6febd12dfc0af634c45f47d91b2
ripemd-160 1658b55929c1ae971d902885b8cd122e5e3481e8

20138908 as geometric shapes

Circle

Radius = n
Diameter 40277816
Circumference 126536490.84824
Area 1.2741533739178E+15

Sphere

Radius = n
Volume 3.4213410100293E+22
Surface area 5.0966134956712E+15
Circumference 126536490.84824

Square

Length = n
Perimeter 80555632
Area 405575615432464
Diagonal 28480716.824984

Cube

Length = n
Surface area 2433453692594784
Volume 8.1678500062378E+21
Space diagonal 34881611.864955

Equilateral Triangle

Length = n
Perimeter 60416724
Area 1.7561939306001E+14
Altitude 17440805.932478

Triangular Pyramid

Length = n
Surface area 1.7561939306001E+14
Volume 9.6259035452089E+20
Height 9493572.2749947