161061880 (number)

161061880 is an even 9-digits composite number following 161061879 and preceding 161061881. In scientific notation, it is written as 1.61061880 × 10^8. The sum of its digits is 31. It has a total of 7 prime factors and 64 positive divisors. There are 54787200 positive integers (up to 161061880) that are relatively prime to 161061880.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61061880 × 10^8
Engineering notation 1.61061880 × 10^6

Prime Factorization of 161061880

Prime Factorization 2 × 2 × 2 × 5 × 7 × 131 × 4391

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 40265470
Product of the distinct prime numbers

The prime factorization of 161061880 is 2 × 2 × 2 × 5 × 7 × 131 × 4391. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161061880)

Multiplication

n×y
n×2 322123760
n×3 483185640
n×4 644247520
n×5 805309400

Division

n÷y
n÷2 80530940
n÷3 53687293.333333
n÷3 40265470
n÷5 32212376

Exponentiation

ny
n2 25940929189134400
n3 4.1780948241489E+24
n4 6.7293180719569E+32
n5 1.0838366197873E+41

Nth Root

y√n
2√n 12691.015719792
3√n 544.08187024738
4√n 112.65440834602
5√n 43.792380426614

Divisors of 161061880

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161061879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161061880 can be divided by 64 positive divisors. The sum of these divisors (counting 161061880) is 1, the average is 0.015625.

Base conversion 161061880

Base System Value
2 Binary 1001100110011001101111111000
3 Ternary 102020001210100211
4 Quaternary 21212121233320
5 Quinary 312212440010
6 Senary 23552040504
8 Octal 1146315770
10 Decimal 161061880
12 Duodecimal 45b33134
16 Hexadecimal 9999bf8
20 Vigesimal 2a6cee0
36 Base36 2nw454

Cryptographic Hash Functions

md5 aafdf5783de226c994e581444f0ce994
sha1 12e3933ade933bca8d3b6469bbb4edaf36fe6751
sha256 acfd57962af7e62ec5654befc6f49f76700b009699f477edd7d3d7a31b96d6b7
sha512 91688fe4d7d7eeee1c0d265601afc6831758c95ff72b64ddaedea906fe2d39433fb0b2fac91fb389b61b255752882085000a67567e9127c4ae6a924eb0ba2592
ripemd-160 e0992ce4776a331e9789453c7c0bb968c500ee45

161061880 as geometric shapes

Circle

Radius = n
Diameter 322123760
Circumference 1011981637.9627
Area 8.1495832567878E+16

Sphere

Radius = n
Volume 1.7501162674063E+25
Surface area 3.2598333027151E+17
Circumference 1011981637.9627

Square

Length = n
Perimeter 644247520
Area 25940929189134400
Diagonal 227775895.07731

Cube

Length = n
Surface area 155645575134806400
Volume 4.1780948241489E+24
Space diagonal 278967359.32256

Equilateral Triangle

Length = n
Perimeter 483185640
Area 1.1232751837782E+16
Altitude 139483679.66128

Triangular Pyramid

Length = n
Surface area 1.1232751837782E+16
Volume 4.9239319709935E+23
Height 75925298.359103