161252913 (number)

161252913 is an odd 9-digits composite number following 161252912 and preceding 161252914. In scientific notation, it is written as 1.61252913 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 107501940 positive integers (up to 161252913) that are relatively prime to 161252913.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million two hundred fifty-two thousand nine hundred thirteen

Notation

Scientific notation 1.61252913 × 10^8
Engineering notation 1.61252913 × 10^6

Prime Factorization of 161252913

Prime Factorization 3 × 53750971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161252913
Product of the distinct prime numbers

The prime factorization of 161252913 is 3 × 53750971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161252913)

Multiplication

n×y
n×2 322505826
n×3 483758739
n×4 645011652
n×5 806264565

Division

n÷y
n÷2 80626456.5
n÷3 53750971
n÷3 40313228.25
n÷5 32250582.6

Exponentiation

ny
n2 26002501950985569
n3 4.1929791848846E+24
n4 6.7613010771101E+32
n5 1.090279494354E+41

Nth Root

y√n
2√n 12698.539797945
3√n 544.29689428256
4√n 112.68779791062
5√n 43.802763794322

Divisors of 161252913

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 -161252912
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 161252913 can be divided by 4 positive divisors. The sum of these divisors (counting 161252913) is 1, the average is 0.25.

Base conversion 161252913

Base System Value
2 Binary 1001100111001000011000110001
3 Ternary 102020102111102010
4 Quaternary 21213020120301
5 Quinary 312240043123
6 Senary 24000113133
8 Octal 1147103061
10 Decimal 161252913
12 Duodecimal 460057a9
16 Hexadecimal 99c8631
20 Vigesimal 2a7gc5d
36 Base36 2o07jl

Cryptographic Hash Functions

md5 14976f3020ac7b4c4fafad9f46b6636d
sha1 0a84d61d8bec01089bc27e49970f0177e8c2d43e
sha256 49df6fb1a7b0c0e2bababb53ccfac9501615de247703ed53885648e37e19c8bf
sha512 672757aa91e11f13206abbf6aa9de8969e4dd36a636e6c1c936a745a230fa4ad7f2955de08bf3c3d0f3438b19086cddd521bac498d0e79b0393b7beb094f8014
ripemd-160 8165b8dec209e69e4171c883816459f5b8d8156e

161252913 as geometric shapes

Circle

Radius = n
Diameter 322505826
Circumference 1013181933.7015
Area 8.1689269104171E+16

Sphere

Radius = n
Volume 1.7563510138518E+25
Surface area 3.2675707641668E+17
Circumference 1013181933.7015

Square

Length = n
Perimeter 645011652
Area 26002501950985569
Diagonal 228046056.53677

Cube

Length = n
Surface area 156015011705913414
Volume 4.1929791848846E+24
Space diagonal 279298238.18448

Equilateral Triangle

Length = n
Perimeter 483758739
Area 1.1259413625754E+16
Altitude 139649119.09224

Triangular Pyramid

Length = n
Surface area 1.1259413625754E+16
Volume 4.9414733583432E+23
Height 76015352.178923