161768904 (number)

161768904 is an even 9-digits composite number following 161768903 and preceding 161768905. In scientific notation, it is written as 1.61768904 × 10^8. The sum of its digits is 42. It has a total of 7 prime factors and 64 positive divisors. There are 48840960 positive integers (up to 161768904) that are relatively prime to 161768904.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred sixty-eight thousand nine hundred four

Notation

Scientific notation 1.61768904 × 10^8
Engineering notation 1.61768904 × 10^6

Prime Factorization of 161768904

Prime Factorization 2 × 2 × 2 × 3 × 11 × 317 × 1933

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 40442226
Product of the distinct prime numbers

The prime factorization of 161768904 is 2 × 2 × 2 × 3 × 11 × 317 × 1933. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161768904)

Multiplication

n×y
n×2 323537808
n×3 485306712
n×4 647075616
n×5 808844520

Division

n÷y
n÷2 80884452
n÷3 53922968
n÷3 40442226
n÷5 32353780.8

Exponentiation

ny
n2 26169178301361216
n3 4.2333592923918E+24
n4 6.8482589296843E+32
n5 1.1078353413632E+41

Nth Root

y√n
2√n 12718.840513191
3√n 544.87683887563
4√n 112.77783697691
5√n 43.830760755833

Divisors of 161768904

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161768903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161768904 can be divided by 64 positive divisors. The sum of these divisors (counting 161768904) is 1, the average is 0.015625.

Base conversion 161768904

Base System Value
2 Binary 1001101001000110010111001000
3 Ternary 102021101201012220
4 Quaternary 21221012113020
5 Quinary 312403101104
6 Senary 24015134040
8 Octal 1151062710
10 Decimal 161768904
12 Duodecimal 46214320
16 Hexadecimal 9a465c8
20 Vigesimal 2ab1254
36 Base36 2ob9oo

Cryptographic Hash Functions

md5 f6a12c29d427acff4e8fabe189b4a210
sha1 803300fe599919c77e7533d8acb643f6cac5c6b5
sha256 8bb0b0760137190af73e7b138d5aefcb4747253ea4e7740f040bef45febcdc72
sha512 4685d248382274040c7cd05a633b092e7ef1afbaffdc5c12b64c1addf1c0f875811d108cdfd4cf08c677275fe260cad4e68bb9d861a71af94c1e5b0ec337a19a
ripemd-160 31498b7df9b04661a66f6bf5effe5ce3dc111375

161768904 as geometric shapes

Circle

Radius = n
Diameter 323537808
Circumference 1016424000.7713
Area 8.2212898302038E+16

Sphere

Radius = n
Volume 1.7732653937312E+25
Surface area 3.2885159320815E+17
Circumference 1016424000.7713

Square

Length = n
Perimeter 647075616
Area 26169178301361216
Diagonal 228775778.00703

Cube

Length = n
Surface area 157015069808167296
Volume 4.2333592923918E+24
Space diagonal 280191960.81273

Equilateral Triangle

Length = n
Perimeter 485306712
Area 1.1331586602572E+16
Altitude 140095980.40637

Triangular Pyramid

Length = n
Surface area 1.1331586602572E+16
Volume 4.9890617714155E+23
Height 76258592.66901