20138902 (number)

20138902 is an even 8-digits composite number following 20138901 and preceding 20138903. In scientific notation, it is written as 2.0138902 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 8343720 positive integers (up to 20138902) that are relatively prime to 20138902.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138902 × 10^7
Engineering notation 2.0138902 × 10^6

Prime Factorization of 20138902

Prime Factorization 2 × 343 × 31 × 947

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138902
Product of the distinct prime numbers

The prime factorization of 20138902 is 2 × 343 × 31 × 947. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 41, 80, 623, 41, 2115, 5856, 23454, 66207, 248231, 550969, 6529141, 3399684, 10699333, 49483214, 245209448, 860610255, 6043014060, 6321729611

Basic calculations (n = 20138902)

Multiplication

n×y
n×2 40277804
n×3 60416706
n×4 80555608
n×5 100694510

Division

n÷y
n÷2 10069451
n÷3 6712967.3333333
n÷3 5034725.5
n÷5 4027780.4

Exponentiation

ny
n2 405575373765604
n3 8.1678427058789E+21
n4 1.6449138380511E+29
n5 3.3126758582955E+36

Nth Root

y√n
2√n 4487.6388000818
3√n 272.06870921359
4√n 66.98984102147
5√n 28.893966019874

Divisors of 20138902

1, 2, 31, 62, 343, 686, 947, 1894, 10633, 21266, 29357, 58714, 324821, 649642, 10069451, 20138902

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138901
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138902 can be divided by 16 positive divisors. The sum of these divisors (counting 20138902) is 1, the average is 0.0625.

Base conversion 20138902

Base System Value
2 Binary 1001100110100101110010110
3 Ternary 1101220011101021
4 Quaternary 1030310232112
5 Quinary 20123421102
6 Senary 1555351354
8 Octal 114645626
10 Decimal 20138902
12 Duodecimal 68b255a
16 Hexadecimal 1334b96
20 Vigesimal 65h752
36 Base36 bzn9y

Cryptographic Hash Functions

md5 c8559078ea0bdd25930e5a1a5835eaf9
sha1 7b2265b6815405c535a68ce1b2b64dbd30c4b0ed
sha256 f94492bc8ea4197ae035ba2b82069b63c8d456c08876e58e191a5e8e74219d5c
sha512 faf69e56fa26f593e354b46644be581835e0253b5f8820b2bea3bca3d95339fc8def66960b9ea2888e9d906d6db4e7408b9fe6153943aebade6d738eff20b54e
ripemd-160 6b19b13f7ba2dbeb6f44b8aa2743688da14d1ec3

20138902 as geometric shapes

Circle

Radius = n
Diameter 40277804
Circumference 126536453.14913
Area 1.274152614699E+15

Sphere

Radius = n
Volume 3.4213379520621E+22
Surface area 5.0966104587958E+15
Circumference 126536453.14913

Square

Length = n
Perimeter 80555608
Area 405575373765604
Diagonal 28480708.339703

Cube

Length = n
Surface area 2433452242593624
Volume 8.1678427058789E+21
Space diagonal 34881601.47265

Equilateral Triangle

Length = n
Perimeter 60416706
Area 1.7561928841519E+14
Altitude 17440800.736325

Triangular Pyramid

Length = n
Surface area 1.7561928841519E+14
Volume 9.6258949416534E+20
Height 9493569.4465676