831730921 is an odd 9-digits composite number following 831730920
and preceding 831730922 . In scientific notation, it is written as 8.31730921 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 705978000 positive integers (up to 831730921) that are relatively prime to 831730921.
831730921 has 16 divisors, whose sum is 959827968
The reverse of 831730921 is 129037138
Previous prime number is 863
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
eight hundred thirty-one million seven hundred thirty thousand nine hundred twenty-one
Scientific notation
8.31730921 × 10^8
Engineering notation
8.31730921 × 10^6
Prime Factorization
131 × 7 × 863 × 1051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
831730921
Product of the distinct prime numbers
The prime factorization of 831730921 is 131 × 7 × 863 × 1051.
Since it has a total of 4 prime factors.
2 , 5 , 44 , 4 , 427 , 256 , 1931 , 482 , 6721 , 54677 , 741470 , 373328 , 5808692 , 5147465 , 99684266 , 73315264 , 563994055 , 651266819 , 3644983020 , 5148817357
n×2
1663461842
n×3
2495192763
n×4
3326923684
n×5
4158654605
n÷2
415865460.5
n÷3
277243640.33333
n÷3
207932730.25
n÷5
166346184.2
n2
691776324947508241
n3
5.7537175987459E+26
n4
4.7855448375788E+35
n5
3.9802856152462E+44
2 √n
28839.745508586
3 √n
940.43247076045
4 √n
169.82268843881
5 √n
60.813019760404
1 , 7 , 131 , 863 , 917 , 1051 , 6041 , 7357 , 113053 , 137681 , 791371 , 907013 , 963767 , 6349091 , 118818703 , 831730921
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-831730920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 831730921 can be divided by 16 positive divisors.
The sum of these divisors (counting 831730921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100100110011010011101001
3
Ternary
2010222001022022221
4
Quaternary
301210303103221
5
Quinary
3200410342141
6
Senary
214310514041
8
Octal
6144632351
10
Decimal
831730921
12
Duodecimal
1b2665921
16
Hexadecimal
319334e9
20
Vigesimal
cji6761
36
Base36
dr6vop
md5
4b05cee7606662776bd68ac22076785d
sha1
a723afb5f694861edbde4142b377965f2c59f34b
sha256
191654c316302d205bcc490124acf3e137f1634898491245f0adb5041bb6cfda
sha512
29b617e568971f5988a6f32d8d522d50a3fc2af86291ffd672c4d8bb3947609aaf5554ff1afb6e309165a36ed5c67b9dd82a3c1fa1eb1b6a1741ca3b6f29cd1f
ripemd-160
d35cd60b415dcb2c53d899a67459b65d706ab57b
Diameter
1663461842
Circumference
5225919502.3541
Area
2.1732794203824E+18
Volume
2.4101115918734E+27
Surface area
8.6931176815297E+18
Circumference
5225919502.3541
Perimeter
3326923684
Area
691776324947508241
Diagonal
1176245148.7233
Surface area
4150657949685049446
Volume
5.7537175987459E+26
Space diagonal
1440600213.3981
Perimeter
2495192763
Area
2.9954793557059E+17
Altitude
720300106.69903
Surface area
2.9954793557059E+17
Volume
6.7808212185093E+25
Height
392081716.24109