81572336 is an even 8-digits composite number following 81572335
and preceding 81572337 . In scientific notation, it is written as 8.1572336 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors.
There are 40715136 positive integers (up to 81572336) that are relatively prime to 81572336.
81572336 has 20 divisors, whose sum is 158321712
The reverse of 81572336 is 63327518
Previous prime number is 617
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million five hundred seventy-two thousand three hundred thirty-six
Scientific notation
8.1572336 × 10^7
Engineering notation
8.1572336 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 617 × 8263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10196542
Product of the distinct prime numbers
The prime factorization of 81572336 is 2 × 2 × 2 × 2 × 617 × 8263.
Since it has a total of 6 prime factors.
1 , 9 , 26 , 77 , 216 , 760 , 5369 , 3255 , 28196 , 86571 , 60252 , 591357 , 7026610 , 4001002 , 16058437 , 72557030 , 815297708 , 663175237 , 8410334579 , 7061180035
n×2
163144672
n×3
244717008
n×4
326289344
n×5
407861680
n÷2
40786168
n÷3
27190778.666667
n÷3
20393084
n÷5
16314467.2
n2
6654046000496896
n3
5.4278607611199E+23
n4
4.4276328176729E+31
n5
3.6117235188784E+39
2 √n
9031.7404745708
3 √n
433.69155598981
4 √n
95.035469560427
5 √n
38.221575069372
1 , 2 , 4 , 8 , 16 , 617 , 1234 , 2468 , 4936 , 8263 , 9872 , 16526 , 33052 , 66104 , 132208 , 5098271 , 10196542 , 20393084 , 40786168 , 81572336
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81572335
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81572336 can be divided by 20 positive divisors.
The sum of these divisors (counting 81572336) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110111001011000111110000
3
Ternary
12200111022012122
4
Quaternary
10313023013300
5
Quinary
131340303321
6
Senary
12032213412
8
Octal
467130760
10
Decimal
81572336
12
Duodecimal
2339a268
16
Hexadecimal
4dcb1f0
20
Vigesimal
159gagg
36
Base36
1ckdm8
md5
c66d1c4f9e921b7d4bb2469324fdb35e
sha1
b15910c28557055adb05119c5fc4db58273becd5
sha256
170e31ec9aec0992c4e294ef2cbe8a27655cbd81432dc999f9846aa60232a6bd
sha512
744326478bbdbb96b26f25cf2a80adde87e4a241f72070ef10a286c757c4c0f12c42195bd8f344a5cf2d33d5e3f542721e146607687fe32f39a68bd417396766
ripemd-160
67d9e6eeab1159c408f90f9c98fbdbb710be200c
Diameter
163144672
Circumference
512534103.02752
Area
2.090430203181E+16
Volume
2.2736169989123E+24
Surface area
8.3617208127238E+16
Circumference
512534103.02752
Perimeter
326289344
Area
6654046000496896
Diagonal
115360703.88566
Surface area
39924276002981376
Volume
5.4278607611199E+23
Space diagonal
141287430.44408
Perimeter
244717008
Area
2.8812864371903E+15
Altitude
70643715.22204
Surface area
2.8812864371903E+15
Volume
6.3967952525404E+22
Height
38453567.961885