85440644 is an even 8-digits composite number following 85440643
and preceding 85440645 . In scientific notation, it is written as 8.5440644 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 40471848 positive integers (up to 85440644) that are relatively prime to 85440644.
85440644 has 12 divisors, whose sum is 157390800
The reverse of 85440644 is 44604458
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-five million four hundred forty thousand six hundred forty-four
Scientific notation
8.5440644 × 10^7
Engineering notation
8.5440644 × 10^6
Prime Factorization
2 × 2 × 19 × 1124219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42720322
Product of the distinct prime numbers
The prime factorization of 85440644 is 2 × 2 × 19 × 1124219.
Since it has a total of 4 prime factors.
1 , 8 , 43 , 48 , 632 , 664 , 1258 , 3524 , 92483 , 74608 , 706050 , 420842 , 3297216 , 8699520 , 86095738 , 52763662 , 143937255 , 18300861 , 7709272270 , 6866970451
n×2
170881288
n×3
256321932
n×4
341762576
n×5
427203220
n÷2
42720322
n÷3
28480214.666667
n÷3
21360161
n÷5
17088128.8
n2
7300103647134736
n3
6.2372555687794E+23
n4
5.329151325891E+31
n5
4.5532612125758E+39
2 √n
9243.4108423244
3 √n
440.44143713821
4 √n
96.142658806195
5 √n
38.577395422595
1 , 2 , 4 , 19 , 38 , 76 , 1124219 , 2248438 , 4496876 , 21360161 , 42720322 , 85440644
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
-85440643
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 85440644 can be divided by 12 positive divisors.
The sum of these divisors (counting 85440644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101000101111011100010000100
3
Ternary
12221202211112022
4
Quaternary
11011323202010
5
Quinary
133333100034
6
Senary
12251142312
8
Octal
505734204
10
Decimal
85440644
12
Duodecimal
24744998
16
Hexadecimal
517b884
20
Vigesimal
16e01c4
36
Base36
1evaf8
md5
339811d2e4191280bc614f0ee53dafd3
sha1
5d16f7db787b8010504f1bc5bcc6463d42f1f882
sha256
9dac55368574c33adf835c08a26e58f8190490cf1c8ba52df89182f20981f5bd
sha512
d42144e3268e9781432febb232efc68f1ae2b315bd5c1b70e6d89a157d152d61fd34a1f023d75d62f5a8754ab64510e1f6fb3bf9f1b0d40537eccabecb924d05
ripemd-160
0372c1d9fa93c138322e95faa113c624ec401997
Diameter
170881288
Circumference
536839399.01676
Area
2.2933951988283E+16
Volume
2.6126555031253E+24
Surface area
9.173580795313E+16
Circumference
536839399.01676
Perimeter
341762576
Area
7300103647134736
Diagonal
120831317.52269
Surface area
43800621882808416
Volume
6.2372555687794E+23
Space diagonal
147987536.4394
Perimeter
256321932
Area
3.1610376043391E+15
Altitude
73993768.219702
Surface area
3.1610376043391E+15
Volume
7.3506761811291E+22
Height
40277105.840897