20157904 (number)

20157904 is an even 8-digits composite number following 20157903 and preceding 20157905. In scientific notation, it is written as 2.0157904 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 40 positive divisors. There are 9237888 positive integers (up to 20157904) that are relatively prime to 20157904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157904 × 10^7
Engineering notation 2.0157904 × 10^6

Prime Factorization of 20157904

Prime Factorization 2 × 2 × 2 × 2 × 13 × 199 × 487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2519738
Product of the distinct prime numbers

The prime factorization of 20157904 is 2 × 2 × 2 × 2 × 13 × 199 × 487. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 4, 78, 6, 264, 604, 9020, 2235, 94817, 82706, 740815, 806697, 4450045, 442657, 66508827, 75655966, 293059363, 968156979, 3759441231, 7387856168

Basic calculations (n = 20157904)

Multiplication

n×y
n×2 40315808
n×3 60473712
n×4 80631616
n×5 100789520

Division

n÷y
n÷2 10078952
n÷3 6719301.3333333
n÷3 5039476
n÷5 4031580.8

Exponentiation

ny
n2 406341093673216
n3 8.1909847575197E+21
n4 1.6511308440755E+29
n5 3.3283337046312E+36

Nth Root

y√n
2√n 4489.7554499104
3√n 272.15425218354
4√n 67.005637448728
5√n 28.899416525967

Divisors of 20157904

1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 487, 796, 974, 1592, 1948, 2587, 3184, 3896, 5174, 6331, 7792, 10348, 12662, 20696, 25324, 41392, 50648, 96913, 101296, 193826, 387652, 775304, 1259869, 1550608, 2519738, 5039476, 10078952, 20157904

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157904 can be divided by 40 positive divisors. The sum of these divisors (counting 20157904) is 1, the average is 0.025.

Base conversion 20157904

Base System Value
2 Binary 1001100111001010111010000
3 Ternary 1101221010110001
4 Quaternary 1030321113100
5 Quinary 20130023104
6 Senary 2000015344
8 Octal 114712720
10 Decimal 20157904
12 Duodecimal 6901554
16 Hexadecimal 13395d0
20 Vigesimal 65jef4
36 Base36 c01xs

Cryptographic Hash Functions

md5 5f9042d36b033a6ca9caf05e40ed5b44
sha1 f0b2b271f5c10b999cd951d32e6f128588bbc77d
sha256 f5774483263d8aaa065d7b04555cf55bc9ccd6e902b7c1b1507d5670bbe09d80
sha512 afba0434e5f5a5e257c1d44f0f9d0a32ed8b2e594dc6858634ddd00586d25a34e80257f05267d9f46fcda7e8680596acbce856c2b51b25004abe48ef63dd656e
ripemd-160 1e2d32ce44d1d44a41bc702a27d82df8b4568038

20157904 as geometric shapes

Circle

Radius = n
Diameter 40315808
Circumference 126655846.23634
Area 1.2765581947354E+15

Sphere

Radius = n
Volume 3.4310316719853E+22
Surface area 5.1062327789417E+15
Circumference 126655846.23634

Square

Length = n
Perimeter 80631616
Area 406341093673216
Diagonal 28507581.225815

Cube

Length = n
Surface area 2438046562039296
Volume 8.1909847575197E+21
Space diagonal 34914513.902096

Equilateral Triangle

Length = n
Perimeter 60473712
Area 1.7595085486128E+14
Altitude 17457256.951048

Triangular Pyramid

Length = n
Surface area 1.7595085486128E+14
Volume 9.653168111063E+20
Height 9502527.0752716