81670036 is an even 8-digits composite number following 81670035
and preceding 81670037 . In scientific notation, it is written as 8.1670036 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 35001432 positive integers (up to 81670036) that are relatively prime to 81670036.
81670036 has 12 divisors, whose sum is 163340128
The reverse of 81670036 is 63007618
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million six hundred seventy thousand thirty-six
Scientific notation
8.1670036 × 10^7
Engineering notation
8.1670036 × 10^6
Prime Factorization
2 × 2 × 7 × 2916787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40835018
Product of the distinct prime numbers
The prime factorization of 81670036 is 2 × 2 × 7 × 2916787.
Since it has a total of 4 prime factors.
3 , 9 , 78 , 19 , 515 , 19 , 84 , 8027 , 25138 , 58312 , 672650 , 817634 , 1948356 , 4151442 , 74001589 , 41882565 , 908279067 , 353498953 , 7286008037 , 491669306
n×2
163340072
n×3
245010108
n×4
326680144
n×5
408350180
n÷2
40835018
n÷3
27223345.333333
n÷3
20417509
n÷5
16334007.2
n2
6669994780241296
n3
5.4473871382212E+23
n4
4.4488830368446E+31
n5
3.6334043777889E+39
2 √n
9037.1475588263
3 √n
433.86463247637
4 √n
95.0639130208
5 √n
38.230726358482
1 , 2 , 4 , 7 , 14 , 28 , 2916787 , 5833574 , 11667148 , 20417509 , 40835018 , 81670036
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81670035
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81670036 can be divided by 12 positive divisors.
The sum of these divisors (counting 81670036) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111100010111110010100
3
Ternary
12200200021020011
4
Quaternary
10313202332110
5
Quinary
131401420121
6
Senary
12034250004
8
Octal
467427624
10
Decimal
81670036
12
Duodecimal
23426904
16
Hexadecimal
4de2f94
20
Vigesimal
15a8f1g
36
Base36
1cmh04
md5
f4e62f72ac649afa9fa8de81224fbecf
sha1
0849df789d9ba9a6d2600efad9fcd6a16b993f93
sha256
b04d15b72892986e0699adb055434ccb37233424bfe56f4ecd0130a3cd897e20
sha512
e6cb2b3385368b9599a0aa283f83f06a3db4468432bf6cedf630d98bbe2db82640bd6c937009f1c9e5a2275195552431560e54d7dccd97d068fe7362c6f74e26
ripemd-160
c7f03106e91f5b2e4ebf57d14d351353a6ffbdcf
Diameter
163340072
Circumference
513147970.23203
Area
2.0954406601088E+16
Volume
2.281796188626E+24
Surface area
8.3817626404353E+16
Circumference
513147970.23203
Perimeter
326680144
Area
6669994780241296
Diagonal
115498872.5507
Surface area
40019968681447776
Volume
5.4473871382212E+23
Space diagonal
141456651.80798
Perimeter
245010108
Area
2.8881924613993E+15
Altitude
70728325.90399
Surface area
2.8881924613993E+15
Volume
6.419807308641E+22
Height
38499624.183566