31969968 is an even 8-digits composite number following 31969967
and preceding 31969969 . In scientific notation, it is written as 3.1969968 × 10^7.
The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors.
There are 10656640 positive integers (up to 31969968) that are relatively prime to 31969968.
31969968 has 20 divisors, whose sum is 82589208
The reverse of 31969968 is 86996913
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
thirty-one million nine hundred sixty-nine thousand nine hundred sixty-eight
Scientific notation
3.1969968 × 10^7
Engineering notation
3.1969968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 666041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3996246
Product of the distinct prime numbers
The prime factorization of 31969968 is 2 × 2 × 2 × 2 × 3 × 666041.
Since it has a total of 6 prime factors.
10 , 7 , 52 , 4 , 879 , 837 , 6175 , 5729 , 1799 , 81830 , 542741 , 653307 , 7228196 , 8466683 , 5241157 , 44839869 , 917129790 , 230071432 , 5044401445 , 6235950886
n×2
63939936
n×3
95909904
n×4
127879872
n×5
159849840
n÷2
15984984
n÷3
10656656
n÷3
7992492
n÷5
6393993.6
n2
1022078853921024
n3
3.2675828253332E+22
n4
1.0446451836325E+30
n5
3.3397273092086E+37
2 √n
5654.1991475363
3 √n
317.38086091484
4 √n
75.194409017801
5 √n
31.691911925406
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 666041 , 1332082 , 1998123 , 2664164 , 3996246 , 5328328 , 7992492 , 10656656 , 15984984 , 31969968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31969967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31969968 can be divided by 20 positive divisors.
The sum of these divisors (counting 31969968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1111001111101001010110000
3
Ternary
2020011020112220
4
Quaternary
1321331022300
5
Quinary
31141014333
6
Senary
3101121040
8
Octal
171751260
10
Decimal
31969968
12
Duodecimal
a859180
16
Hexadecimal
1e7d2b0
20
Vigesimal
9jg4i8
36
Base36
j186o
md5
cfaa726775b4b3fc80c71106412451de
sha1
3583987ee351c2fbe06245774cc578d46e3dc6ae
sha256
e62b2c6ed0d339601f39915d5a836523cbaa89be0325f954f509db5450b1fe81
sha512
effc8aa2bfd0fa8c0a8358f5089761d0bfc353ca0e886c1f0ca49358f2fac73061c03cf2b26fef09d868b7a7b32362bfc22a8950df629777128e25614bf89364
ripemd-160
a0604636fb1143c58d522b0e321f97605c5ade32
Diameter
63939936
Circumference
200873233.2086
Area
3.2109554188678E+15
Volume
1.3687218932084E+23
Surface area
1.2843821675471E+16
Circumference
200873233.2086
Perimeter
127879872
Area
1022078853921024
Diagonal
45212362.334234
Surface area
6132473123526144
Volume
3.2675828253332E+22
Space diagonal
55373608.892351
Perimeter
95909904
Area
4.4257312608325E+14
Altitude
27686804.446176
Surface area
4.4257312608325E+14
Volume
3.850883289803E+21
Height
15070787.444745