81170072 (number)

81170072 is an even 8-digits composite number following 81170071 and preceding 81170073. In scientific notation, it is written as 8.1170072 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors. There are 39185440 positive integers (up to 81170072) that are relatively prime to 81170072.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred seventy thousand seventy-two

Notation

Scientific notation 8.1170072 × 10^7
Engineering notation 8.1170072 × 10^6

Prime Factorization of 81170072

Prime Factorization 2 × 2 × 2 × 29 × 349871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20292518
Product of the distinct prime numbers

The prime factorization of 81170072 is 2 × 2 × 2 × 29 × 349871. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 3, 46, 56, 360, 99, 1859, 8925, 58628, 6763, 14289, 473536, 1083860, 1093045, 74596369, 91724890, 78290470, 986577597, 4376422744, 5677239074

Basic calculations (n = 81170072)

Multiplication

n×y
n×2 162340144
n×3 243510216
n×4 324680288
n×5 405850360

Division

n÷y
n÷2 40585036
n÷3 27056690.666667
n÷3 20292518
n÷5 16234014.4

Exponentiation

ny
n2 6588580588485184
n3 5.3479556074514E+23
n4 4.3409394170964E+31
n5 3.5235436503335E+39

Nth Root

y√n
2√n 9009.4434900276
3√n 432.97748195243
4√n 94.918088318442
5√n 38.183803484612

Divisors of 81170072

1, 2, 4, 8, 29, 58, 116, 232, 349871, 699742, 1399484, 2798968, 10146259, 20292518, 40585036, 81170072

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 -81170071
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 81170072 can be divided by 16 positive divisors. The sum of these divisors (counting 81170072) is 1, the average is 0.0625.

Base conversion 81170072

Base System Value
2 Binary 100110101101000111010011000
3 Ternary 12122201212101222
4 Quaternary 10311220322120
5 Quinary 131234420242
6 Senary 12015431212
8 Octal 465507230
10 Decimal 81170072
12 Duodecimal 23225508
16 Hexadecimal 4d68e98
20 Vigesimal 157653c
36 Base36 1cbr88

Cryptographic Hash Functions

md5 9ad270d6333e69df76c3d41181b66e3d
sha1 c4ef37acff69c071818d92a9f5e97d59e44a001b
sha256 e82db9891a3c0178275ff46c5a208cee42e02a08165d8d49cc50f6ffaef1427b
sha512 02b6722f16080bd216d9e876b4800f23a6f4393d7f5a512c39972107d96a58cd13bdd85fecf0e811d876400d0882c430410a50e8a74503c6ca1eea5c98feb3e8
ripemd-160 01b3fc80553368bf6ea240ff4340b5ac687b8e4a

81170072 as geometric shapes

Circle

Radius = n
Diameter 162340144
Circumference 510006603.77311
Area 2.0698636374369E+16

Sphere

Radius = n
Volume 2.2401464064125E+24
Surface area 8.2794545497477E+16
Circumference 510006603.77311

Square

Length = n
Perimeter 324680288
Area 6588580588485184
Diagonal 114791816.6812

Cube

Length = n
Surface area 39531483530911104
Volume 5.3479556074514E+23
Space diagonal 140590688.75802

Equilateral Triangle

Length = n
Perimeter 243510216
Area 2.8529390822546E+15
Altitude 70295344.379012

Triangular Pyramid

Length = n
Surface area 2.8529390822546E+15
Volume 6.3026261258559E+22
Height 38263938.893734