831421381 is an odd 9-digits composite number following 831421380
and preceding 831421382 . In scientific notation, it is written as 8.31421381 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 709449840 positive integers (up to 831421381) that are relatively prime to 831421381.
831421381 has 8 divisors, whose sum is 954458624
The reverse of 831421381 is 183124138
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
eight hundred thirty-one million four hundred twenty-one thousand three hundred eighty-one
Scientific notation
8.31421381 × 10^8
Engineering notation
8.31421381 × 10^6
Prime Factorization
7 × 223 × 532621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
831421381
Product of the distinct prime numbers
The prime factorization of 831421381 is 7 × 223 × 532621.
Since it has a total of 3 prime factors.
6 , 5 , 9 , 70 , 748 , 326 , 715 , 3982 , 99902 , 24555 , 305105 , 554761 , 3645338 , 1924124 , 60200737 , 34005926 , 446265106 , 84365120 , 7738577899 , 9259432396
n×2
1662842762
n×3
2494264143
n×4
3325685524
n×5
4157106905
n÷2
415710690.5
n÷3
277140460.33333
n÷3
207855345.25
n÷5
166284276.2
n2
691261512783947161
n3
5.7472960159098E+26
n4
4.7784247905635E+35
n5
3.972884538375E+44
2 √n
28834.378456974
3 √n
940.31579136348
4 √n
169.80688577609
5 √n
60.808492607562
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-831421380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 831421381 can be divided by 8 positive divisors.
The sum of these divisors (counting 831421381) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100011100111101111000101
3
Ternary
2010221110120201111
4
Quaternary
301203213233011
5
Quinary
3200320441011
6
Senary
214300125021
8
Octal
6143475705
10
Decimal
831421381
12
Duodecimal
1b2536771
16
Hexadecimal
318e7bc5
20
Vigesimal
cjg7d91
36
Base36
dr08ud
md5
93b3d0ba45d18c103f1f731f62456482
sha1
d6feb2f180d4f0a1a6c652828b0b67925bd50cdc
sha256
281799b7f55fa7ccfef490fa3a14f0e6271265a4620048f46669ae4926b4d9ee
sha512
7586e3ae97f6bf7a482f639b098f7b785536098650e27363df39fdaf5c8e29873e2d93aeb0d432ed27f3d3060e441687c59dc664dd5787d904a1411ae8c4b12e
ripemd-160
f78653c566f7dd72e09f8dade96b1269485285a5
Diameter
1662842762
Circumference
5223974605.1742
Area
2.1716620902714E+18
Volume
2.4074217255451E+27
Surface area
8.6866483610857E+18
Circumference
5223974605.1742
Perimeter
3325685524
Area
691261512783947161
Diagonal
1175807393.0572
Surface area
4147569076703682966
Volume
5.7472960159098E+26
Space diagonal
1440064074.3911
Perimeter
2494264143
Area
2.9932501536468E+17
Altitude
720032037.19554
Surface area
2.9932501536468E+17
Volume
6.7732533105604E+25
Height
391935797.68572