31946985 is an odd 8-digits composite number following 31946984
and preceding 31946986 . In scientific notation, it is written as 3.1946985 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 14604192 positive integers (up to 31946985) that are relatively prime to 31946985.
31946985 has 8 divisors, whose sum is 37322560
The reverse of 31946985 is 58964913
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-one million nine hundred forty-six thousand nine hundred eighty-five
Scientific notation
3.1946985 × 10^7
Engineering notation
3.1946985 × 10^6
Prime Factorization
7 × 45 × 101419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31946985
Product of the distinct prime numbers
The prime factorization of 31946985 is 7 × 45 × 101419.
Since it has a total of 3 prime factors.
6 , 4 , 77 , 86 , 629 , 480 , 5131 , 2372 , 92622 , 14464 , 464061 , 478332 , 8461114 , 9183499 , 32236648 , 76173133 , 210862991 , 387250226 , 5222970195 , 3361525188
n×2
63893970
n×3
95840955
n×4
127787940
n×5
159734925
n÷2
15973492.5
n÷3
10648995
n÷3
7986746.25
n÷5
6389397
n2
1020609850590225
n3
3.2605407587658E+22
n4
1.0416444671218E+30
n5
3.3277400166473E+37
2 √n
5652.1663988244
3 √n
317.30478834384
4 √n
75.180891181366
5 √n
31.687353993088
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31946984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31946985 can be divided by 8 positive divisors.
The sum of these divisors (counting 31946985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111001110111100011101001
3
Ternary
2020010002000200
4
Quaternary
1321313203221
5
Quinary
31134300420
6
Senary
3100422413
8
Octal
171674351
10
Decimal
31946985
12
Duodecimal
a847a09
16
Hexadecimal
1e778e9
20
Vigesimal
9jd795
36
Base36
j0qg9
md5
647d9098c238def8441ab252ff20ec05
sha1
e1933d48b1d101eb669f3392d15ee8d6819bb381
sha256
9c674b11dfacc8994b5dd66a0336859669bba86d6cd5a77a61bc227fdd58d07c
sha512
2692de1eaa51686173d59e51b7f61ca11d983685adaa554194e20ab594b786d176775bd6e88f82ccd5c9aa358594cf7dc6b048d39e7b5c002f275d9cc2d58f90
ripemd-160
9e7e78dfb7ada5a869ffe7f223d35fd4052045b7
Diameter
63893970
Circumference
200728826.76069
Area
3.2063404087956E+15
Volume
1.3657721192625E+23
Surface area
1.2825361635183E+16
Circumference
200728826.76069
Perimeter
127787940
Area
1020609850590225
Diagonal
45179859.46393
Surface area
6123659103541350
Volume
3.2605407587658E+22
Space diagonal
55333801.168641
Perimeter
95840955
Area
4.4193702898189E+14
Altitude
27666900.58432
Surface area
4.4193702898189E+14
Volume
3.8425841347641E+21
Height
15059953.154643