161808164 (number)

161808164 is an even 9-digits composite number following 161808163 and preceding 161808165. In scientific notation, it is written as 1.61808164 × 10^8. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 69236640 positive integers (up to 161808164) that are relatively prime to 161808164.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61808164 × 10^8
Engineering notation 1.61808164 × 10^6

Prime Factorization of 161808164

Prime Factorization 2 × 2 × 7 × 8461 × 683

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 80904082
Product of the distinct prime numbers

The prime factorization of 161808164 is 2 × 2 × 7 × 8461 × 683. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 35, 9, 645, 838, 4272, 5693, 60384, 46954, 514750, 771236, 4977971, 4016326, 4191368, 24023796, 289547466, 652282723, 7419032402, 270126241

Basic calculations (n = 161808164)

Multiplication

n×y
n×2 323616328
n×3 485424492
n×4 647232656
n×5 809040820

Division

n÷y
n÷2 80904082
n÷3 53936054.666667
n÷3 40452041
n÷5 32361632.8

Exponentiation

ny
n2 26181881937050896
n3 4.236442246299E+24
n4 6.8549094176567E+32
n5 1.1091803072573E+41

Nth Root

y√n
2√n 12720.383799241
3√n 544.92091437233
4√n 112.78467892068
5√n 43.832888023311

Divisors of 161808164

1, 2, 4, 7, 14, 28, 683, 1366, 2732, 4781, 8461, 9562, 16922, 19124, 33844, 59227, 118454, 236908, 5778863, 11557726, 23115452, 40452041, 80904082, 161808164

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161808163
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161808164 can be divided by 24 positive divisors. The sum of these divisors (counting 161808164) is 1, the average is 0.041666666666667.

Base conversion 161808164

Base System Value
2 Binary 1001101001001111111100100100
3 Ternary 102021110201001222
4 Quaternary 21221033330210
5 Quinary 312410330124
6 Senary 24020035512
8 Octal 1151177444
10 Decimal 161808164
12 Duodecimal 46232b98
16 Hexadecimal 9a4ff24
20 Vigesimal 2ab6084
36 Base36 2oc3z8

Cryptographic Hash Functions

md5 f6ab9680773d569b4f17680a18bc9946
sha1 cb75bcec2fefc48313e5588a3c307f9506f764ba
sha256 bcae0b788743daa68ad6e08fe5ebb6859862ebfafd3de2faf68658d2138a5b8e
sha512 3b5651f8608796e5d6a4f8a74136378fec37bbbc5a0b8ac1669beff4a2645c0de63f4e636d2f7cffd91aae178358c23f5b02a04b4e9e15e78dd64aaec327690e
ripemd-160 d0a68e010b917e4383b905b11fb377bf406496fb

161808164 as geometric shapes

Circle

Radius = n
Diameter 323616328
Circumference 1016670678.6265
Area 8.2252807950594E+16

Sphere

Radius = n
Volume 1.774556778444E+25
Surface area 3.2901123180238E+17
Circumference 1016670678.6265

Square

Length = n
Perimeter 647232656
Area 26181881937050896
Diagonal 228831300.03149

Cube

Length = n
Surface area 157091291622305376
Volume 4.236442246299E+24
Space diagonal 280259961.12744

Equilateral Triangle

Length = n
Perimeter 485424492
Area 1.1337087438186E+16
Altitude 140129980.56372

Triangular Pyramid

Length = n
Surface area 1.1337087438186E+16
Volume 4.9926950674386E+23
Height 76277100.010497