31996989 is an odd 8-digits composite number following 31996988
and preceding 31996990 . In scientific notation, it is written as 3.1996989 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 20547648 positive integers (up to 31996989) that are relatively prime to 31996989.
31996989 has 24 divisors, whose sum is 47948160
The reverse of 31996989 is 98969913
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
thirty-one million nine hundred ninety-six thousand nine hundred eighty-nine
Scientific notation
3.1996989 × 10^7
Engineering notation
3.1996989 × 10^6
Prime Factorization
3 × 3 × 47 × 67 × 1129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10665663
Product of the distinct prime numbers
The prime factorization of 31996989 is 3 × 3 × 47 × 67 × 1129.
Since it has a total of 5 prime factors.
2 , 4 , 54 , 2 , 252 , 892 , 5095 , 7449 , 84601 , 63803 , 487494 , 31866 , 2038106 , 9622917 , 63982614 , 59543855 , 312853062 , 509958903 , 9551909644 , 4477269559
n×2
63993978
n×3
95990967
n×4
127987956
n×5
159984945
n÷2
15998494.5
n÷3
10665663
n÷3
7999247.25
n÷5
6399397.8
n2
1023807305066121
n3
3.275875107832E+22
n4
1.0481813979068E+30
n5
3.3538648658827E+37
2 √n
5656.5881059169
3 √n
317.47025244679
4 √n
75.21029255306
5 √n
31.697267312594
1 , 3 , 9 , 47 , 67 , 141 , 201 , 423 , 603 , 1129 , 3149 , 3387 , 9447 , 10161 , 28341 , 53063 , 75643 , 159189 , 226929 , 477567 , 680787 , 3555221 , 10665663 , 31996989
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31996988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31996989 can be divided by 24 positive divisors.
The sum of these divisors (counting 31996989) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111010000011110000111101
3
Ternary
2020012121121200
4
Quaternary
1322003300331
5
Quinary
31142400424
6
Senary
3101450113
8
Octal
172036075
10
Decimal
31996989
12
Duodecimal
a870939
16
Hexadecimal
1e83c3d
20
Vigesimal
9jjc99
36
Base36
j1t19
md5
66a44d7d776363da18e4564c9fc68a4d
sha1
ce536557942083d2b2037fce00a6983a9606f7f5
sha256
872e252279bc88ecff9cb84770a1627c0748ee15c248228a4b1984101c5c9223
sha512
2c3abfd86d20ad9dbee7808448cb649cb884c49a2f359f5f6f57334ccaddf72a01d02893d1daf7e56cb953917014e8bc5d2e6fc400f9f2024b6d1211a90dd6dc
ripemd-160
87fc45a8f401b8aa7376e07e99d76dac669eade2
Diameter
63993978
Circumference
201043011.15879
Area
3.2163855082873E+15
Volume
1.372195356379E+23
Surface area
1.2865542033149E+16
Circumference
201043011.15879
Perimeter
127987956
Area
1023807305066121
Diagonal
45250575.798903
Surface area
6142843830396726
Volume
3.275875107832E+22
Space diagonal
55420410.637222
Perimeter
95990967
Area
4.4332156738367E+14
Altitude
27710205.318611
Surface area
4.4332156738367E+14
Volume
3.8606558384471E+21
Height
15083525.266301