161497809 (number)

161497809 is an odd 9-digits composite number following 161497808 and preceding 161497810. In scientific notation, it is written as 1.61497809 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 93834720 positive integers (up to 161497809) that are relatively prime to 161497809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61497809 × 10^8
Engineering notation 1.61497809 × 10^6

Prime Factorization of 161497809

Prime Factorization 9 × 11 × 59 × 43 × 643

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 161497809
Product of the distinct prime numbers

The prime factorization of 161497809 is 9 × 11 × 59 × 43 × 643. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161497809)

Multiplication

n×y
n×2 322995618
n×3 484493427
n×4 645991236
n×5 807489045

Division

n÷y
n÷2 80748904.5
n÷3 53832603
n÷3 40374452.25
n÷5 32299561.8

Exponentiation

ny
n2 26081542311800481
n3 4.2121119386966E+24
n4 6.8024684936224E+32
n5 1.0985837575115E+41

Nth Root

y√n
2√n 12708.178823104
3√n 544.57229749304
4√n 112.730558515
5√n 43.816060436015

Divisors of 161497809

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161497808
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161497809 can be divided by 32 positive divisors. The sum of these divisors (counting 161497809) is 1, the average is 0.03125.

Base conversion 161497809

Base System Value
2 Binary 1001101000000100001011010001
3 Ternary 102020212221100100
4 Quaternary 21220010023101
5 Quinary 312320412214
6 Senary 24005243013
8 Octal 1150041321
10 Decimal 161497809
12 Duodecimal 46103469
16 Hexadecimal 9a042d1
20 Vigesimal 2a974a9
36 Base36 2o5gi9

Cryptographic Hash Functions

md5 e60f88ee28a628c699d625f08221341b
sha1 6251813cf804e0139238e556f4a26c38ddad3afd
sha256 2962dd48be65ba1ad3569946d2ef3fa6f8d90358cc2fd71150615dcb393d8b7c
sha512 5e2fa9c27463025e29af86ef16215baec02175138033a69ec2b961d7a2a3c70d218cc78ec03bb64f0169f80c42445aa5f797fcedb7783f692563fcadb95aaca2
ripemd-160 18e9ee92a3f39eae866242e6ddb5ff1cdc531ea3

161497809 as geometric shapes

Circle

Radius = n
Diameter 322995618
Circumference 1014720660.6505
Area 8.1937581721044E+16

Sphere

Radius = n
Volume 1.7643653230276E+25
Surface area 3.2775032688417E+17
Circumference 1014720660.6505

Square

Length = n
Perimeter 645991236
Area 26081542311800481
Diagonal 228392391.78134

Cube

Length = n
Surface area 156489253870802886
Volume 4.2121119386966E+24
Space diagonal 279722410.49905

Equilateral Triangle

Length = n
Perimeter 484493427
Area 1.1293639105949E+16
Altitude 139861205.24953

Triangular Pyramid

Length = n
Surface area 1.1293639105949E+16
Volume 4.9640215249486E+23
Height 76130797.260447