161239969 (number)

161239969 is an odd 9-digits composite number following 161239968 and preceding 161239970. In scientific notation, it is written as 1.61239969 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 141825600 positive integers (up to 161239969) that are relatively prime to 161239969.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million two hundred thirty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 1.61239969 × 10^8
Engineering notation 1.61239969 × 10^6

Prime Factorization of 161239969

Prime Factorization 11 × 37 × 197 × 2011

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161239969
Product of the distinct prime numbers

The prime factorization of 161239969 is 11 × 37 × 197 × 2011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 11, 66, 591, 784, 7081, 8487, 1142, 80753, 192730, 794616, 4111659, 4177285, 5240336, 63521897, 806410071, 213522283, 5257406548, 2743452083

Basic calculations (n = 161239969)

Multiplication

n×y
n×2 322479938
n×3 483719907
n×4 644959876
n×5 806199845

Division

n÷y
n÷2 80619984.5
n÷3 53746656.333333
n÷3 40309992.25
n÷5 32247993.8

Exponentiation

ny
n2 25998327603120961
n3 4.1919695367791E+24
n4 6.759130381592E+32
n5 1.0898419731949E+41

Nth Root

y√n
2√n 12698.030122818
3√n 544.28233006499
4√n 112.68553644021
5√n 43.802060549748

Divisors of 161239969

1, 11, 37, 197, 407, 2011, 2167, 7289, 22121, 74407, 80179, 396167, 818477, 4357837, 14658179, 161239969

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161239968
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161239969 can be divided by 16 positive divisors. The sum of these divisors (counting 161239969) is 1, the average is 0.0625.

Base conversion 161239969

Base System Value
2 Binary 1001100111000101001110100001
3 Ternary 102020101211122201
4 Quaternary 21213011032201
5 Quinary 312234134334
6 Senary 23555533201
8 Octal 1147051641
10 Decimal 161239969
12 Duodecimal 45bba201
16 Hexadecimal 99c53a1
20 Vigesimal 2a7eji9
36 Base36 2nzxk1

Cryptographic Hash Functions

md5 1b0f7654f5e62952d765b5e80f501731
sha1 9df4ec9468cf9c2047af922a73d32d0467efb3a5
sha256 05036ea883c9d3163f2f62e0934b4eb50bf74baa6aa6c3b97d7a3d9df62f0464
sha512 3a46577c377728bbf8f89b101d49e4caf520964fc2c32591532beecaa0baec7795b0b497313873bae25db1bf6e23a4e0477fb4400ccba1c81a1a20a709b0ea3a
ripemd-160 b7b58b15f4be866f3828e7ba474fe98f25ebf201

161239969 as geometric shapes

Circle

Radius = n
Diameter 322479938
Circumference 1013100604.1509
Area 8.1676155003586E+16

Sphere

Radius = n
Volume 1.7559280934423E+25
Surface area 3.2670462001434E+17
Circumference 1013100604.1509

Square

Length = n
Perimeter 644959876
Area 25998327603120961
Diagonal 228027750.95642

Cube

Length = n
Surface area 155989965618725766
Volume 4.1919695367791E+24
Space diagonal 279275818.51883

Equilateral Triangle

Length = n
Perimeter 483719907
Area 1.1257606080106E+16
Altitude 139637909.25942

Triangular Pyramid

Length = n
Surface area 1.1257606080106E+16
Volume 4.9402834766398E+23
Height 76009250.318806