31103681 is an odd 8-digits composite number following 31103680
and preceding 31103682 . In scientific notation, it is written as 3.1103681 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 26554248 positive integers (up to 31103681) that are relatively prime to 31103681.
31103681 has 12 divisors, whose sum is 36325872
The reverse of 31103681 is 18630113
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
thirty-one million one hundred three thousand six hundred eighty-one
Scientific notation
3.1103681 × 10^7
Engineering notation
3.1103681 × 10^6
Prime Factorization
7 × 7 × 283 × 2243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4443383
Product of the distinct prime numbers
The prime factorization of 31103681 is 7 × 7 × 283 × 2243.
Since it has a total of 4 prime factors.
2 , 2 , 57 , 50 , 261 , 429 , 701 , 4553 , 1598 , 72740 , 709259 , 819143 , 865721 , 6398902 , 59942989 , 67121263 , 956081155 , 97332535 , 6965023934 , 201016827
n×2
62207362
n×3
93311043
n×4
124414724
n×5
155518405
n÷2
15551840.5
n÷3
10367893.666667
n÷3
7775920.25
n÷5
6220736.2
n2
967438971749761
n3
3.0090913164273E+22
n4
9.3593816406023E+29
n5
2.9111122090655E+37
2 √n
5577.0674193522
3 √n
314.48789217729
4 √n
74.679765796046
5 √n
31.518269002706
1 , 7 , 49 , 283 , 1981 , 2243 , 13867 , 15701 , 109907 , 634769 , 4443383 , 31103681
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31103680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31103681 can be divided by 12 positive divisors.
The sum of these divisors (counting 31103681) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101001101011000001
3
Ternary
2011112020020012
4
Quaternary
1312221223001
5
Quinary
30430304211
6
Senary
3030354305
8
Octal
166515301
10
Decimal
31103681
12
Duodecimal
a4bb995
16
Hexadecimal
1da9ac1
20
Vigesimal
9e7j41
36
Base36
iinr5
md5
3794b9b6c716c4fa9da3f80dd7d6493d
sha1
2661830c83655f4dfaa62e01e821a4f2923f6518
sha256
70a212e57cace41beaad2cc8cda1fb661978ab84b4a4662b03259133f8c7a0f7
sha512
7081c3c27aa96136d63ffd052f97752317fac201d12e486c86897d4bc48d3415ef2fddd837d87894c2cc42e0c87c1d59b1ee72682fc715d6f79faeea9a04ebce
ripemd-160
b5d98b623504081606e97859976038b9d7f8a5d2
Diameter
62207362
Circumference
195430191.4584
Area
3.0392991664455E+15
Volume
1.2604452231558E+23
Surface area
1.2157196665782E+16
Circumference
195430191.4584
Perimeter
124414724
Area
967438971749761
Diagonal
43987247.509926
Surface area
5804633830498566
Volume
3.0090913164273E+22
Space diagonal
53873155.794415
Perimeter
93311043
Area
4.1891336307319E+14
Altitude
26936577.897207
Surface area
4.1891336307319E+14
Volume
3.5462481250921E+21
Height
14662415.836642