812978020 is an even 9-digits composite number following 812978019
and preceding 812978021 . In scientific notation, it is written as 8.12978020 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 325191200 positive integers (up to 812978020) that are relatively prime to 812978020.
812978020 has 12 divisors, whose sum is 1707253884
The reverse of 812978020 is 020879218
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
eight hundred twelve million nine hundred seventy-eight thousand twenty
Scientific notation
8.12978020 × 10^8
Engineering notation
8.12978020 × 10^6
Prime Factorization
2 × 2 × 5 × 40648901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
406489010
Product of the distinct prime numbers
The prime factorization of 812978020 is 2 × 2 × 5 × 40648901.
Since it has a total of 4 prime factors.
7 , 1 , 14 , 18 , 302 , 40 , 4696 , 1077 , 24340 , 99379 , 513797 , 354405 , 817434 , 7398762 , 24687185 , 16147838 , 341484186 , 912645236 , 1888019253 , 6033402750
n×2
1625956040
n×3
2438934060
n×4
3251912080
n×5
4064890100
n÷2
406489010
n÷3
270992673.33333
n÷3
203244505
n÷5
162595604
n2
660933261003120400
n3
5.3732421388246E+26
n4
4.3683277550022E+35
n5
3.5513544489727E+44
2 √n
28512.769420034
3 √n
933.310749737
4 √n
168.85724568414
5 √n
60.53628433239
1 , 2 , 4 , 5 , 10 , 20 , 40648901 , 81297802 , 162595604 , 203244505 , 406489010 , 812978020
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
-812978019
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 812978020 can be divided by 12 positive divisors.
The sum of these divisors (counting 812978020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000011101010000111101100100
3
Ternary
2002122202120012001
4
Quaternary
300131100331210
5
Quinary
3131110244040
6
Senary
212400535044
8
Octal
6035207544
10
Decimal
812978020
12
Duodecimal
1a8321484
16
Hexadecimal
30750f64
20
Vigesimal
ce12510
36
Base36
dg0xus
md5
90058e08f394c5bafe94d8aadae46792
sha1
09fbba95006a2b07d5bf7a7c88aac8d0d55c2963
sha256
1b5352b6386b4a3c7c337f56d6dc823d795a4d1888efa02ccd46bbbf584d9f91
sha512
c97628d35a4fa8b0506ae136da0b945a6186a83b6ed45fa06763e07825c8934ab84fe98f56172347a20ca487fce0ebdd6dd77baaba189f932e19f6441ffd7711
ripemd-160
a4636afa98afdbf55f706bbeb73622fafcfe3196
Diameter
1625956040
Circumference
5108091550.324
Area
2.0763830772805E+18
Volume
2.2507384039054E+27
Surface area
8.3055323091222E+18
Circumference
5108091550.324
Perimeter
3251912080
Area
660933261003120400
Diagonal
1149724541.7952
Surface area
3965599566018722400
Volume
5.3732421388246E+26
Space diagonal
1408119236.0767
Perimeter
2438934060
Area
2.861924971174E+17
Altitude
704059618.03837
Surface area
2.861924971174E+17
Volume
6.332426588867E+25
Height
383241513.93174