812996921 is an odd 9-digits composite number following 812996920
and preceding 812996922 . In scientific notation, it is written as 8.12996921 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 739088100 positive integers (up to 812996921) that are relatively prime to 812996921.
812996921 has 4 divisors, whose sum is 886905744
The reverse of 812996921 is 129699218
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
eight hundred twelve million nine hundred ninety-six thousand nine hundred twenty-one
Scientific notation
8.12996921 × 10^8
Engineering notation
8.12996921 × 10^6
Prime Factorization
11 × 73908811
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
812996921
Product of the distinct prime numbers
The prime factorization of 812996921 is 11 × 73908811.
Since it has a total of 2 prime factors.
5 , 2 , 18 , 11 , 504 , 198 , 2715 , 6173 , 753 , 24788 , 407084 , 779893 , 9695647 , 3945206 , 39733209 , 16627793 , 831650413 , 243699922 , 4122673102 , 1964572722
n×2
1625993842
n×3
2438990763
n×4
3251987684
n×5
4064984605
n÷2
406498460.5
n÷3
270998973.66667
n÷3
203249230.25
n÷5
162599384.2
n2
660963993555480241
n3
5.3736169165247E+26
n4
4.3687340077681E+35
n5
3.5517672969834E+44
2 √n
28513.100866093
3 √n
933.31798255648
4 √n
168.85822711995
5 √n
60.536565812489
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
-812996920
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 812996921 can be divided by 4 positive divisors.
The sum of these divisors (counting 812996921) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000011101010101100100111001
3
Ternary
2002122210112010002
4
Quaternary
300131111210321
5
Quinary
3131111400141
6
Senary
212401202345
8
Octal
6035254471
10
Decimal
812996921
12
Duodecimal
1a83303b5
16
Hexadecimal
30755939
20
Vigesimal
ce14c61
36
Base36
dg1cft
md5
66ea5e354a6f917b85df31c7700298dd
sha1
41775af06e550396be76ca39121ab4001b7dd889
sha256
811931f2feef721ad0f1eb2b863e800287c8508fce923b7b1323b583e4c9bce3
sha512
8fa0e34804494361a666ca6f8c1d8555c2a50ca3d00bc5529393eed424ba8437152b685a963c8c7a445880b5d1ce27ee5b6767d98dc108bfb6bf73496246ec13
ripemd-160
87e004fce4d8301a62ec3a44ff19aa989b66f953
Diameter
1625993842
Circumference
5108210308.8094
Area
2.0764796264413E+18
Volume
2.2508953904213E+27
Surface area
8.3059185057651E+18
Circumference
5108210308.8094
Perimeter
3251987684
Area
660963993555480241
Diagonal
1149751271.8458
Surface area
3965783961332881446
Volume
5.3736169165247E+26
Space diagonal
1408151973.5691
Perimeter
2438990763
Area
2.8620580470293E+17
Altitude
704075986.78453
Surface area
2.8620580470293E+17
Volume
6.3328682686223E+25
Height
383250423.94859