812642021 is an odd 9-digits composite number following 812642020
and preceding 812642022 . In scientific notation, it is written as 8.12642021 × 10^8.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 812365344 positive integers (up to 812642021) that are relatively prime to 812642021.
812642021 has 4 divisors, whose sum is 812918700
The reverse of 812642021 is 120246218
Previous prime number is 2969
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
eight hundred twelve million six hundred forty-two thousand twenty-one
Scientific notation
8.12642021 × 10^8
Engineering notation
8.12642021 × 10^6
Prime Factorization
2969 × 273709
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
812642021
Product of the distinct prime numbers
The prime factorization of 812642021 is 2969 × 273709.
Since it has a total of 2 prime factors.
4 , 2 , 15 , 87 , 446 , 347 , 4438 , 5715 , 4648 , 26476 , 896203 , 637394 , 228874 , 4394190 , 6376085 , 24468444 , 772258936 , 494513825 , 7790387734 , 6225511224
n×2
1625284042
n×3
2437926063
n×4
3250568084
n×5
4063210105
n÷2
406321010.5
n÷3
270880673.66667
n÷3
203160505.25
n÷5
162528404.2
n2
660387054294964441
n3
5.366582704445E+26
n4
4.3611106148038E+35
n5
3.5440217438187E+44
2 √n
28506.876731764
3 √n
933.18215475139
4 √n
168.83979605462
5 √n
60.531279647413
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
-812642020
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 812642021 can be divided by 4 positive divisors.
The sum of these divisors (counting 812642021) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000011011111110111011100101
3
Ternary
2002122010111021122
4
Quaternary
300123332323211
5
Quinary
3131014021041
6
Senary
212345423325
8
Octal
6033767345
10
Decimal
812642021
12
Duodecimal
1a819ab45
16
Hexadecimal
306feee5
20
Vigesimal
cdj0511
36
Base36
dftqlh
md5
d94580ece2b7d8e2cd5b136b760246b2
sha1
4c1f370750da4d4076c529aac057b611e48feb07
sha256
f1890d443509cf350ba821a771b421f263957d8758ca2dad71bedf9f7809037c
sha512
e1b6fa3b2842f43fd7ac7cc4e13eb247ec3eb298cfd1e79a90bb868c8a9095b30eee31953705345404d0c51ea3e84f0690c99cea5ae92dc3f1f88d34af035321
ripemd-160
6fc56af8569e322bd2c8668f24d7b4e848ddd2da
Diameter
1625284042
Circumference
5105980406.3439
Area
2.0746671182989E+18
Volume
2.2479489065555E+27
Surface area
8.2986684731955E+18
Circumference
5105980406.3439
Perimeter
3250568084
Area
660387054294964441
Diagonal
1149249367.4525
Surface area
3962322325769786646
Volume
5.366582704445E+26
Space diagonal
1407537268.7375
Perimeter
2437926063
Area
2.8595598267491E+17
Altitude
703768634.36873
Surface area
2.8595598267491E+17
Volume
6.3245783701858E+25
Height
383083122.48416