85428691 is an odd 8-digits composite number following 85428690
and preceding 85428692 . In scientific notation, it is written as 8.5428691 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 84225400 positive integers (up to 85428691) that are relatively prime to 85428691.
85428691 has 4 divisors, whose sum is 86631984
The reverse of 85428691 is 19682458
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-five million four hundred twenty-eight thousand six hundred ninety-one
Scientific notation
8.5428691 × 10^7
Engineering notation
8.5428691 × 10^6
Prime Factorization
71 × 1203221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
85428691
Product of the distinct prime numbers
The prime factorization of 85428691 is 71 × 1203221.
Since it has a total of 2 prime factors.
10 , 4 , 31 , 19 , 561 , 156 , 9400 , 8562 , 31157 , 45904 , 219666 , 482721 , 7240097 , 2266009 , 47848792 , 42393479 , 929929229 , 7885650 , 6149132777 , 4796192226
n×2
170857382
n×3
256286073
n×4
341714764
n×5
427143455
n÷2
42714345.5
n÷3
28476230.333333
n÷3
21357172.75
n÷5
17085738.2
n2
7298061245973481
n3
6.2346381908134E+23
n4
5.326169794998E+31
n5
4.5500771363042E+39
2 √n
9242.7642510236
3 √n
440.42089717903
4 √n
96.139296081382
5 √n
38.576315979857
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-85428690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85428691 can be divided by 4 positive divisors.
The sum of these divisors (counting 85428691) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000101111000100111010011
3
Ternary
12221202020010121
4
Quaternary
11011320213103
5
Quinary
133332204231
6
Senary
12251011111
8
Octal
505704723
10
Decimal
85428691
12
Duodecimal
24739a97
16
Hexadecimal
51789d3
20
Vigesimal
16dibeb
36
Base36
1ev177
md5
0be211edbf3627177ab165a4c84d47f3
sha1
98c08430661d33fc76a9caa7560d2b3ab1baebfb
sha256
33bb2cb2c84f44b1e0aedf6d119694ecec661a73b9967dcab007e5b6a64a28cb
sha512
db64f02b2ed71f8e47bd882b9cc48ce668d610711cb49262b8f8f98017bb4349fb59a66fcac5f9df658acdf72ba8dd43926f23a132d8a809637163b0cf5a8b3f
ripemd-160
19d21b20912fe410cf66bb7e9b2e30b72e1cea1b
Diameter
170857382
Circumference
536764296.10278
Area
2.2927535595799E+16
Volume
2.6115591384066E+24
Surface area
9.1710142383195E+16
Circumference
536764296.10278
Perimeter
341714764
Area
7298061245973481
Diagonal
120814413.42798
Surface area
43788367475840886
Volume
6.2346381908134E+23
Space diagonal
147966833.2361
Perimeter
256286073
Area
3.1601532186939E+15
Altitude
73983416.618051
Surface area
3.1601532186939E+15
Volume
7.3475915716147E+22
Height
40271471.14266