20187904 (number)

20187904 is an even 8-digits composite number following 20187903 and preceding 20187905. In scientific notation, it is written as 2.0187904 × 10^7. The sum of its digits is 31. It has a total of 11 prime factors and 72 positive divisors. There are 8954880 positive integers (up to 20187904) that are relatively prime to 20187904.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand nine hundred four

Notation

Scientific notation 2.0187904 × 10^7
Engineering notation 2.0187904 × 10^6

Prime Factorization of 20187904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 67 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 157718
Product of the distinct prime numbers

The prime factorization of 20187904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 67 × 107. Since it has a total of 11 prime factors.

Most popular turbo-numbers

3, 3, 35, 13, 387, 263, 108, 966, 15472, 80222, 930333, 358000, 9709380, 1483741, 72786850, 89618706, 175013153, 17785853, 285158870, 7542260162

Basic calculations (n = 20187904)

Multiplication

n×y
n×2 40375808
n×3 60563712
n×4 80751616
n×5 100939520

Division

n÷y
n÷2 10093952
n÷3 6729301.3333333
n÷3 5046976
n÷5 4037580.8

Exponentiation

ny
n2 407551467913216
n3 8.2276099092911E+21
n4 1.6609819899822E+29
n5 3.3531744959489E+36

Nth Root

y√n
2√n 4493.0951470006
3√n 272.28919644784
4√n 67.03055383182
5√n 28.908013320966

Divisors of 20187904

1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 67, 88, 107, 128, 134, 176, 214, 256, 268, 352, 428, 536, 704, 737, 856, 1072, 1177, 1408, 1474, 1712, 2144, 2354, 2816, 2948, 3424, 4288, 4708, 5896, 6848, 7169, 8576, 9416, 11792, 13696, 14338, 17152, 18832, 23584, 27392, 28676, 37664, 47168, 57352, 75328, 78859, 94336, 114704, 150656, 157718, 188672, 229408, 301312, 315436, 458816, 630872, 917632, 1261744, 1835264, 2523488, 5046976, 10093952, 20187904

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187904 can be divided by 72 positive divisors. The sum of these divisors (counting 20187904) is 1, the average is 0.013888888888889.

Base conversion 20187904

Base System Value
2 Binary 1001101000000101100000000
3 Ternary 1101222122121011
4 Quaternary 1031000230000
5 Quinary 20132003104
6 Senary 2000410304
8 Octal 115005400
10 Decimal 20187904
12 Duodecimal 6916994
16 Hexadecimal 1340b00
20 Vigesimal 6639f4
36 Base36 c0p34

Cryptographic Hash Functions

md5 46c1d7d401e4ee6dd93fda04f85c4642
sha1 dde4e9a14703876e8308ccffc2b5192a5b54ac30
sha256 2c255c277301475cb3be499d647cc338bbc56a9629a5a8f9a9acda897b483d9e
sha512 82ddde0819daed3688c350844483e92b4093ad63404fc329285257cfe7d9dd949100cb4ff417496359b19724bc31516c59fc082d63d869a885a8b1358efc277f
ripemd-160 6b51228d29ec762e50a3b90ecdea8a614168e69f

20187904 as geometric shapes

Circle

Radius = n
Diameter 40375808
Circumference 126844341.79555
Area 1.2803606975559E+15

Sphere

Radius = n
Volume 3.4463731796842E+22
Surface area 5.1214427902236E+15
Circumference 126844341.79555

Square

Length = n
Perimeter 80751616
Area 407551467913216
Diagonal 28550007.632686

Cube

Length = n
Surface area 2445308807479296
Volume 8.2276099092911E+21
Space diagonal 34966475.426323

Equilateral Triangle

Length = n
Perimeter 60563712
Area 1.7647496228124E+14
Altitude 17483237.713161

Triangular Pyramid

Length = n
Surface area 1.7647496228124E+14
Volume 9.6963312663623E+20
Height 9516669.2108954