31669905 is an odd 8-digits composite number following 31669904
and preceding 31669906 . In scientific notation, it is written as 3.1669905 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 16452800 positive integers (up to 31669905) that are relatively prime to 31669905.
31669905 has 16 divisors, whose sum is 42856704
The reverse of 31669905 is 50996613
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty-one million six hundred sixty-nine thousand nine hundred five
Scientific notation
3.1669905 × 10^7
Engineering notation
3.1669905 × 10^6
Prime Factorization
3 × 355 × 227 × 131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31669905
Product of the distinct prime numbers
The prime factorization of 31669905 is 3 × 355 × 227 × 131.
Since it has a total of 4 prime factors.
2 , 9 , 51 , 68 , 253 , 781 , 4697 , 1816 , 96653 , 11867 , 504987 , 557793 , 1040937 , 4818825 , 47907753 , 83264527 , 94027311 , 524487962 , 1261472730 , 8269899075
n×2
63339810
n×3
95009715
n×4
126679620
n×5
158349525
n÷2
15834952.5
n÷3
10556635
n÷3
7917476.25
n÷5
6333981
n2
1002982882709025
n3
3.1764372612021E+22
n4
1.0059746630073E+30
n5
3.1859122009848E+37
2 √n
5627.602064823
3 √n
316.38478270144
4 √n
75.017345093138
5 √n
31.632196667414
1 , 3 , 131 , 227 , 355 , 393 , 681 , 1065 , 29737 , 46505 , 80585 , 89211 , 139515 , 241755 , 10556635 , 31669905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31669904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31669905 can be divided by 16 positive divisors.
The sum of these divisors (counting 31669905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000110011111010010001
3
Ternary
2012120222221110
4
Quaternary
1320303322101
5
Quinary
31101414110
6
Senary
3050443533
8
Octal
170637221
10
Decimal
31669905
12
Duodecimal
a7335a9
16
Hexadecimal
1e33e91
20
Vigesimal
9hief5
36
Base36
iusnl
md5
67500e0b2a45f94884e20fb0bc2325e9
sha1
03faa7c4886f389237cb367c10306fe8ed3818e2
sha256
8a674ab65a286ae7bfef993aad2e5830891d66e04aac536df0d6bb77bd664aec
sha512
2f34a0424928592136f401f4a473ab51183f828c4ed46e5f9476feeb8b224a07501e293c46a278fdd5e2411c85b141b342bad56270b949f7bb205b9f78386af3
ripemd-160
cbf77656a2f19990b3198f478a37f05ee7450592
Diameter
63339810
Circumference
198987881.77577
Area
3.150963655995E+15
Volume
1.3305429285842E+23
Surface area
1.260385462398E+16
Circumference
198987881.77577
Perimeter
126679620
Area
1002982882709025
Diagonal
44788009.170067
Surface area
6017897296254150
Volume
3.1764372612021E+22
Space diagonal
54853884.53088
Perimeter
95009715
Area
4.3430432799348E+14
Altitude
27426942.26544
Surface area
4.3430432799348E+14
Volume
3.7434672123494E+21
Height
14929336.390022