81269673 is an odd 8-digits composite number following 81269672
and preceding 81269674 . In scientific notation, it is written as 8.1269673 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 50992704 positive integers (up to 81269673) that are relatively prime to 81269673.
81269673 has 8 divisors, whose sum is 114733728
The reverse of 81269673 is 37696218
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million two hundred sixty-nine thousand six hundred seventy-three
Scientific notation
8.1269673 × 10^7
Engineering notation
8.1269673 × 10^6
Prime Factorization
3 × 17 × 1593523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81269673
Product of the distinct prime numbers
The prime factorization of 81269673 is 3 × 17 × 1593523.
Since it has a total of 3 prime factors.
8 , 2 , 68 , 50 , 981 , 783 , 4175 , 1906 , 70097 , 31899 , 747428 , 777464 , 5940784 , 4718069 , 92133941 , 25316300 , 666120657 , 468172662 , 5644338104 , 2007898435
n×2
162539346
n×3
243809019
n×4
325078692
n×5
406348365
n÷2
40634836.5
n÷3
27089891
n÷3
20317418.25
n÷5
16253934.6
n2
6604759749526929
n3
5.3676666508762E+23
n4
4.3622851348971E+31
n5
3.5452148644585E+39
2 √n
9014.9693843074
3 √n
433.1545068175
4 √n
94.947192608878
5 √n
38.193169694613
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81269672
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81269673 can be divided by 8 positive divisors.
The sum of these divisors (counting 81269673) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110000001001110101001
3
Ternary
12122220221000220
4
Quaternary
10312001032221
5
Quinary
131301112143
6
Senary
12021520253
8
Octal
466011651
10
Decimal
81269673
12
Duodecimal
23273089
16
Hexadecimal
4d813a9
20
Vigesimal
157ie3d
36
Base36
1cdw2x
md5
004b571fba422de02ac1c12cacce44c6
sha1
bf409a7f8f4a2351e1b7b931e5684f6096533f32
sha256
16353798477f92a5ff70158b3d8d02b228789941e394e825d37d89400b09fc00
sha512
cb41f40bb9b57c131e2f0fe1ca035db3223abd454d7c7727d531a60383bf2f37988b37b84bec152ff4d5be4747727127adb75316f4153f57c908a728d52afa09
ripemd-160
3fc4cf246765a75d635b96fcc05ed862f39b4dcb
Diameter
162539346
Circumference
510632415.31289
Area
2.0749464707839E+16
Volume
2.2484029489749E+24
Surface area
8.2997858831357E+16
Circumference
510632415.31289
Perimeter
325078692
Area
6604759749526929
Diagonal
114932673.76623
Surface area
39628558497161574
Volume
5.3676666508762E+23
Space diagonal
140763202.75051
Perimeter
243809019
Area
2.8599448644916E+15
Altitude
70381601.375254
Surface area
2.8599448644916E+15
Volume
6.3258558133057E+22
Height
38310891.255409