81170070 is an even 8-digits composite number following 81170069
and preceding 81170071 . In scientific notation, it is written as 8.1170070 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 20371968 positive integers (up to 81170070) that are relatively prime to 81170070.
81170070 has 16 divisors, whose sum is 137512512
The reverse of 81170070 is 07007118
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million one hundred seventy thousand seventy
Scientific notation
8.1170070 × 10^7
Engineering notation
8.1170070 × 10^6
Prime Factorization
2 × 15 × 17 × 159157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81170070
Product of the distinct prime numbers
The prime factorization of 81170070 is 2 × 15 × 17 × 159157.
Since it has a total of 4 prime factors.
6 , 1 , 75 , 87 , 982 , 940 , 5246 , 7772 , 8083 , 20491 , 228068 , 351430 , 3965135 , 1719135 , 26146474 , 78786996 , 532303264 , 300714364 , 5450624614 , 1929433401
n×2
162340140
n×3
243510210
n×4
324680280
n×5
405850350
n÷2
40585035
n÷3
27056690
n÷3
20292517.5
n÷5
16234014
n2
6588580263804900
n3
5.3479552121366E+23
n4
4.3409389892599E+31
n5
3.5235432162396E+39
2 √n
9009.4433790329
3 √n
432.9774783963
4 √n
94.918087733756
5 √n
38.183803296445
1 , 2 , 15 , 17 , 30 , 34 , 255 , 510 , 159157 , 318314 , 2387355 , 2705669 , 4774710 , 5411338 , 40585035 , 81170070
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81170069
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81170070 can be divided by 16 positive divisors.
The sum of these divisors (counting 81170070) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101101000111010010110
3
Ternary
12122201212101220
4
Quaternary
10311220322112
5
Quinary
131234420240
6
Senary
12015431210
8
Octal
465507226
10
Decimal
81170070
12
Duodecimal
23225506
16
Hexadecimal
4d68e96
20
Vigesimal
157653a
36
Base36
1cbr86
md5
b38595eb3a19bccd4a78758bfef0f197
sha1
2666410e40e9446db60061b5f8b5a24a36e8a483
sha256
874e4c6fae01cfeeafa0003e4f0472c9b5d7ea03e72f8a8f25b5ab097922c2af
sha512
d55da0e5b1d7e8f50cbd9d9eb47d1fd271f6fdb0230ae01c6871af9ce8bb00e2cb6d8de16272c080a865577ae1832391f678e6b527b17f60c867bd993ea5dcfc
ripemd-160
9961221e38d7a8b991775483c2106b5d730987ca
Diameter
162340140
Circumference
510006591.20674
Area
2.0698635354356E+16
Volume
2.2401462408234E+24
Surface area
8.2794541417425E+16
Circumference
510006591.20674
Perimeter
324680280
Area
6588580263804900
Diagonal
114791813.85277
Surface area
39531481582829400
Volume
5.3479552121366E+23
Space diagonal
140590685.29392
Perimeter
243510210
Area
2.8529389416639E+15
Altitude
70295342.646961
Surface area
2.8529389416639E+15
Volume
6.3026256599729E+22
Height
38263937.950925