812542868 is an even 9-digits composite number following 812542867
and preceding 812542869 . In scientific notation, it is written as 8.12542868 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 404481240 positive integers (up to 812542868) that are relatively prime to 812542868.
812542868 has 12 divisors, whose sum is 1428215712
The reverse of 812542868 is 868245218
Previous prime number is 227
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
eight hundred twelve million five hundred forty-two thousand eight hundred sixty-eight
Scientific notation
8.12542868 × 10^8
Engineering notation
8.12542868 × 10^6
Prime Factorization
2 × 2 × 227 × 894871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
406271434
Product of the distinct prime numbers
The prime factorization of 812542868 is 2 × 2 × 227 × 894871.
Since it has a total of 4 prime factors.
8 , 3 , 34 , 37 , 329 , 70 , 8809 , 3927 , 19022 , 18693 , 162474 , 980566 , 4115812 , 7078233 , 34319077 , 66889921 , 686394542 , 857418094 , 6471875233 , 6342632754
n×2
1625085736
n×3
2437628604
n×4
3250171472
n×5
4062714340
n÷2
406271434
n÷3
270847622.66667
n÷3
203135717
n÷5
162508573.6
n2
660225912337665424
n3
5.3646185633876E+26
n4
4.358982553221E+35
n5
3.5418601853562E+44
2 √n
28505.137572024
3 √n
933.1441997145
4 √n
168.83464565078
5 √n
60.529802453086
1 , 2 , 4 , 227 , 454 , 908 , 894871 , 1789742 , 3579484 , 203135717 , 406271434 , 812542868
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
-812542867
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 812542868 can be divided by 12 positive divisors.
The sum of these divisors (counting 812542868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000011011100110101110010100
3
Ternary
2002121221110021022
4
Quaternary
300123212232110
5
Quinary
3131002332433
6
Senary
212343340312
8
Octal
6033465624
10
Decimal
812542868
12
Duodecimal
1a8151698
16
Hexadecimal
306e6b94
20
Vigesimal
cdi7h38
36
Base36
dfrm38
md5
277afedc284aceb552806eddc76bf0b0
sha1
ac96aac510cace9a8dd0cbe9ad7f18afab9ab9d9
sha256
eaf101679d43be3fe7588696e32690f39460e087c1037361a4ce072dfb945f17
sha512
e0b46df64d3d1e4124fa14034aebba94a1a149209175436f66a817050bc073a8120079eef87c33fcea30d9448a89cf3e91f2a52946cdaccd79613852d9f681c0
ripemd-160
1697d3fc72629a2f767a31d444fad0459b4aba89
Diameter
1625085736
Circumference
5105357409.6712
Area
2.0741608759096E+18
Volume
2.2471261690733E+27
Surface area
8.2966435036385E+18
Circumference
5105357409.6712
Perimeter
3250171472
Area
660225912337665424
Diagonal
1149109143.9351
Surface area
3961355474025992544
Volume
5.3646185633876E+26
Space diagonal
1407365530.7037
Perimeter
2437628604
Area
2.8588620616059E+17
Altitude
703682765.35187
Surface area
2.8588620616059E+17
Volume
6.322263607751E+25
Height
383036381.31171