81424069 is an odd 8-digits composite number following 81424068
and preceding 81424070 . In scientific notation, it is written as 8.1424069 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 77836416 positive integers (up to 81424069) that are relatively prime to 81424069.
81424069 has 8 divisors, whose sum is 85092480
The reverse of 81424069 is 96042418
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million four hundred twenty-four thousand sixty-nine
Scientific notation
8.1424069 × 10^7
Engineering notation
8.1424069 × 10^6
Prime Factorization
43 × 47 × 40289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81424069
Product of the distinct prime numbers
The prime factorization of 81424069 is 43 × 47 × 40289.
Since it has a total of 3 prime factors.
8 , 10 , 48 , 83 , 802 , 937 , 3582 , 1650 , 5013 , 50422 , 865589 , 529220 , 9967470 , 8689487 , 5942187 , 9211894 , 431730910 , 71179288 , 2706465731 , 7513241460
n×2
162848138
n×3
244272207
n×4
325696276
n×5
407120345
n÷2
40712034.5
n÷3
27141356.333333
n÷3
20356017.25
n÷5
16284813.8
n2
6629879012516761
n3
5.3983172617682E+23
n4
4.395529572061E+31
n5
3.5790190316704E+39
2 √n
9023.5286335225
3 √n
433.4286353834
4 √n
94.99225565025
5 √n
38.207670544349
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
-81424068
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 81424069 can be divided by 8 positive divisors.
The sum of these divisors (counting 81424069) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110100110111011000101
3
Ternary
12200012202211021
4
Quaternary
10312212323011
5
Quinary
131321032234
6
Senary
12025111141
8
Octal
466467305
10
Decimal
81424069
12
Duodecimal
233284b1
16
Hexadecimal
4da6ec5
20
Vigesimal
158i039
36
Base36
1ch77p
md5
98020fcc7825001725d8f5cf104d2166
sha1
b8f559687a279d814b3d0c2e121a41a021f342ce
sha256
1202873ecf18850864a01c91257676ceac69a494b0351b74f244619fe497d74f
sha512
6cef1f5f50447ae28ebfb1ad9e72306836e1b9da49caeaf514d1d2bf54bfeb1a620f475c3292c2f296d5e12083daaa1f2c03224aef02bf2b8e4b699cc10f540d
ripemd-160
7c60fdabc3bfcb95771b44613ba7cf5e399a2b19
Diameter
162848138
Circumference
511602513.99158
Area
2.0828379199912E+16
Volume
2.2612418468424E+24
Surface area
8.3313516799647E+16
Circumference
511602513.99158
Perimeter
325696276
Area
6629879012516761
Diagonal
115151022.6834
Surface area
39779274075100566
Volume
5.3983172617682E+23
Space diagonal
141030624.46699
Perimeter
244272207
Area
2.8708218244284E+15
Altitude
70515312.233497
Surface area
2.8708218244284E+15
Volume
6.3619779046544E+22
Height
38383674.227801