31197894 is an even 8-digits composite number following 31197893
and preceding 31197895 . In scientific notation, it is written as 3.1197894 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 8227872 positive integers (up to 31197894) that are relatively prime to 31197894.
31197894 has 32 divisors, whose sum is 76796160
The reverse of 31197894 is 49879113
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty-one million one hundred ninety-seven thousand eight hundred ninety-four
Scientific notation
3.1197894 × 10^7
Engineering notation
3.1197894 × 10^6
Prime Factorization
2 × 3 × 7 × 13 × 57139
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31197894
Product of the distinct prime numbers
The prime factorization of 31197894 is 2 × 3 × 7 × 13 × 57139.
Since it has a total of 5 prime factors.
1 , 7 , 18 , 35 , 890 , 434 , 3277 , 4991 , 87172 , 87842 , 904744 , 102746 , 6025148 , 8510260 , 69770589 , 14488090 , 452163502 , 135812447 , 7181575113 , 5231947271
n×2
62395788
n×3
93593682
n×4
124791576
n×5
155989470
n÷2
15598947
n÷3
10399298
n÷3
7799473.5
n÷5
6239578.8
n2
973308590035236
n3
3.0365178221209E+22
n4
9.4732961143638E+29
n5
2.9554688800653E+37
2 √n
5585.5074970856
3 √n
314.80509989278
4 √n
74.736252897009
5 √n
31.537339667956
1 , 2 , 3 , 6 , 7 , 13 , 14 , 21 , 26 , 39 , 42 , 78 , 91 , 182 , 273 , 546 , 57139 , 114278 , 171417 , 342834 , 399973 , 742807 , 799946 , 1199919 , 1485614 , 2228421 , 2399838 , 4456842 , 5199649 , 10399298 , 15598947 , 31197894
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31197893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31197894 can be divided by 32 positive divisors.
The sum of these divisors (counting 31197894) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110111000000101011000110
3
Ternary
2011201000110120
4
Quaternary
1313000223012
5
Quinary
30441313034
6
Senary
3032402410
8
Octal
167005306
10
Decimal
31197894
12
Duodecimal
a546406
16
Hexadecimal
1dc0ac6
20
Vigesimal
9ejeee
36
Base36
ikog6
md5
d99ceb0551c1223fe40076de4cfbc044
sha1
c8a7e569bf493395f87f891c11bb3f9a272420e0
sha256
731327a3657d65a1ac9c23e85a679e75307f8266124f7670a3403a4b8d53da1f
sha512
317c56d8bbce5f65e203dc90524c2438417c2b77ea0cbf44130035e6966b9e02b132701bfe3c734cd41f2c106e0d8c1d7774f149fadd2dceddb40fdf7cc3567d
ripemd-160
c39635fc5d3b96592e04e954e1f56f37248a9c07
Diameter
62395788
Circumference
196022149.19575
Area
3.0577391161305E+15
Volume
1.2719336109959E+23
Surface area
1.2230956464522E+16
Circumference
196022149.19575
Perimeter
124791576
Area
973308590035236
Diagonal
44120484.812278
Surface area
5839851540211416
Volume
3.0365178221209E+22
Space diagonal
54036337.497148
Perimeter
93593682
Area
4.2145498234606E+14
Altitude
27018168.748574
Surface area
4.2145498234606E+14
Volume
3.5785705720258E+21
Height
14706828.270759