31679969 is an odd 8-digits composite number following 31679968
and preceding 31679970 . In scientific notation, it is written as 3.1679969 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 31663044 positive integers (up to 31679969) that are relatively prime to 31679969.
31679969 has 4 divisors, whose sum is 31696896
The reverse of 31679969 is 96997613
Previous prime number is 2143
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
thirty-one million six hundred seventy-nine thousand nine hundred sixty-nine
Scientific notation
3.1679969 × 10^7
Engineering notation
3.1679969 × 10^6
Prime Factorization
2143 × 14783
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31679969
Product of the distinct prime numbers
The prime factorization of 31679969 is 2143 × 14783.
Since it has a total of 2 prime factors.
7 , 7 , 5 , 71 , 591 , 516 , 4330 , 2846 , 41507 , 14985 , 311903 , 833236 , 859826 , 9534953 , 14961760 , 66066637 , 328567968 , 238134304 , 9747860685 , 6581899815
n×2
63359938
n×3
95039907
n×4
126719876
n×5
158399845
n÷2
15839984.5
n÷3
10559989.666667
n÷3
7919992.25
n÷5
6335993.8
n2
1003620435840961
n3
3.1794664295208E+22
n4
1.0072539792376E+30
n5
3.1909774837374E+37
2 √n
5628.4961579449
3 √n
316.41829252971
4 √n
75.023304099092
5 √n
31.634206815342
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31679968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31679969 can be divided by 4 positive divisors.
The sum of these divisors (counting 31679969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000110110010111100001
3
Ternary
2012121111202012
4
Quaternary
1320312113201
5
Quinary
31102224334
6
Senary
3051002305
8
Octal
170662741
10
Decimal
31679969
12
Duodecimal
a739395
16
Hexadecimal
1e365e1
20
Vigesimal
9hjji9
36
Base36
iv0f5
md5
9743780b6cc05292544499ce9cffa445
sha1
4ab88584d2733be3e9f4fcce32700fe85aabc986
sha256
03e9d7d53011259fa5a88a5b8d99b5f26e33e6dfceec15a36fc06dabd66042b1
sha512
e76ef0b483f014445e5d8460b8dda80f347359142abb713eb3e9129c0e74451ba5d654c625a51740607f2b4ca50f9f3c9e5046d8d96db093e358faba9ad17e7c
ripemd-160
a9b382c4cdb6f2aa78ae4393c1ad16ef440ae621
Diameter
63359938
Circumference
199051115.7527
Area
3.1529665882305E+15
Volume
1.3318117836424E+23
Surface area
1.2611866352922E+16
Circumference
199051115.7527
Perimeter
126719876
Area
1003620435840961
Diagonal
44802241.815359
Surface area
6021722615045766
Volume
3.1794664295208E+22
Space diagonal
54871315.890207
Perimeter
95039907
Area
4.3458039659774E+14
Altitude
27435657.945103
Surface area
4.3458039659774E+14
Volume
3.7470371214486E+21
Height
14934080.60512