81064562 (number)

81064562 is an even 8-digits composite number following 81064561 and preceding 81064563. In scientific notation, it is written as 8.1064562 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 40532280 positive integers (up to 81064562) that are relatively prime to 81064562.

Interesting facts

Basic properties

Name

Name eighty-one million sixty-four thousand five hundred sixty-two

Notation

Scientific notation 8.1064562 × 10^7
Engineering notation 8.1064562 × 10^6

Prime Factorization of 81064562

Prime Factorization 2 × 40532281

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81064562
Product of the distinct prime numbers

The prime factorization of 81064562 is 2 × 40532281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81064562)

Multiplication

n×y
n×2 162129124
n×3 243193686
n×4 324258248
n×5 405322810

Division

n÷y
n÷2 40532281
n÷3 27021520.666667
n÷3 20266140.5
n÷5 16212912.4

Exponentiation

ny
n2 6571463212251844
n3 5.3271278700031E+23
n4 4.3184128749979E+31
n5 3.5007024824687E+39

Nth Root

y√n
2√n 9003.5860633417
3√n 432.78979675687
4√n 94.887228136044
5√n 38.173871574036

Divisors of 81064562

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 -81064561
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 81064562 can be divided by 4 positive divisors. The sum of these divisors (counting 81064562) is 1, the average is 0.25.

Base conversion 81064562

Base System Value
2 Binary 100110101001111001001110010
3 Ternary 12122112111200012
4 Quaternary 10311033021302
5 Quinary 131223031222
6 Senary 12013254522
8 Octal 465171162
10 Decimal 81064562
12 Duodecimal 23194442
16 Hexadecimal 4d4f272
20 Vigesimal 156d182
36 Base36 1c9hte

Cryptographic Hash Functions

md5 2d2e559a7e55366aa79cfcdcb728a1a8
sha1 b9ca919f85f8975a032513622db25ff4d7615d43
sha256 7e4c79860a591a7c3c5c810dfb13953e946b8c3e4c5cbc80e9e44931670a697a
sha512 ffa2ca15010dfa387c640b388de0e1cc95b631aedd64fc39b9d98ff20a975c536f52b2594c50d6dd7a230949638afb29c3a26403ff22a1832105b115f1b2f069
ripemd-160 9a8c8fbc9031f18771be8f33dc2e8400f301a115

81064562 as geometric shapes

Circle

Radius = n
Diameter 162129124
Circumference 509343664.89135
Area 2.0644860550946E+16

Sphere

Radius = n
Volume 2.2314221041514E+24
Surface area 8.2579442203784E+16
Circumference 509343664.89135

Square

Length = n
Perimeter 324258248
Area 6571463212251844
Diagonal 114642603.00823

Cube

Length = n
Surface area 39428779273511064
Volume 5.3271278700031E+23
Space diagonal 140407940.07732

Equilateral Triangle

Length = n
Perimeter 243193686
Area 2.8455270409225E+15
Altitude 70203970.038659

Triangular Pyramid

Length = n
Surface area 2.8455270409225E+15
Volume 6.2780804018784E+22
Height 38214201.002745