161811089 (number)

161811089 is an odd 9-digits composite number following 161811088 and preceding 161811090. In scientific notation, it is written as 1.61811089 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 147100980 positive integers (up to 161811089) that are relatively prime to 161811089.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred eleven thousand eighty-nine

Notation

Scientific notation 1.61811089 × 10^8
Engineering notation 1.61811089 × 10^6

Prime Factorization of 161811089

Prime Factorization 11 × 14710099

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161811089
Product of the distinct prime numbers

The prime factorization of 161811089 is 11 × 14710099. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 79, 93, 131, 844, 2250, 2531, 69292, 76213, 199774, 95051, 4133168, 8603372, 88822520, 10617260, 729756198, 190539446, 4327507621, 1968678380

Basic calculations (n = 161811089)

Multiplication

n×y
n×2 323622178
n×3 485433267
n×4 647244356
n×5 809055445

Division

n÷y
n÷2 80905544.5
n÷3 53937029.666667
n÷3 40452772.25
n÷5 32362217.8

Exponentiation

ny
n2 26182828523365921
n3 4.2366719964661E+24
n4 6.8554050948398E+32
n5 1.1092805639322E+41

Nth Root

y√n
2√n 12720.498771668
3√n 544.9241978574
4√n 112.78518861831
5√n 43.833046495254

Divisors of 161811089

1, 11, 14710099, 161811089

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161811088
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161811089 can be divided by 4 positive divisors. The sum of these divisors (counting 161811089) is 1, the average is 0.25.

Base conversion 161811089

Base System Value
2 Binary 1001101001010000101010010001
3 Ternary 102021110212002022
4 Quaternary 21221100222101
5 Quinary 312410423324
6 Senary 24020101225
8 Octal 1151205221
10 Decimal 161811089
12 Duodecimal 46234815
16 Hexadecimal 9a50a91
20 Vigesimal 2ab67e9
36 Base36 2oc68h

Cryptographic Hash Functions

md5 b614b23257d7ba529a4f8c80c7ad99c1
sha1 b02071bce2e556c10f741f781d012ca70aa6c2ac
sha256 35fdcb298cea7395e30f164e0ab0901f876332c1a844d629e0f5edf1be930eb9
sha512 f5175a508b65a33737d73f43e8b149a28cd736827d5ddc0236ce17dfc4f4aaaaa1f71f2355ef5b33f91bbb0f9d1ddd765c8239f63b54e00048255384cc925cdc
ripemd-160 83ba668f92b290c81d9c64ed15a829fba3ee4ce3

161811089 as geometric shapes

Circle

Radius = n
Diameter 323622178
Circumference 1016689056.9435
Area 8.2255781739208E+16

Sphere

Radius = n
Volume 1.774653015969E+25
Surface area 3.2902312695683E+17
Circumference 1016689056.9435

Square

Length = n
Perimeter 647244356
Area 26182828523365921
Diagonal 228835436.60616

Cube

Length = n
Surface area 157096971140195526
Volume 4.2366719964661E+24
Space diagonal 280265027.37605

Equilateral Triangle

Length = n
Perimeter 485433267
Area 1.1337497322083E+16
Altitude 140132513.68802

Triangular Pyramid

Length = n
Surface area 1.1337497322083E+16
Volume 4.9929658306072E+23
Height 76278478.86872