31993899 is an odd 8-digits composite number following 31993898
and preceding 31993900 . In scientific notation, it is written as 3.1993899 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 17835840 positive integers (up to 31993899) that are relatively prime to 31993899.
31993899 has 8 divisors, whose sum is 36862720
The reverse of 31993899 is 99839913
Previous prime number is 123
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
thirty-one million nine hundred ninety-three thousand eight hundred ninety-nine
Scientific notation
3.1993899 × 10^7
Engineering notation
3.1993899 × 10^6
Prime Factorization
7 × 123 × 37159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31993899
Product of the distinct prime numbers
The prime factorization of 31993899 is 7 × 123 × 37159.
Since it has a total of 3 prime factors.
2 , 9 , 27 , 88 , 333 , 63 , 5389 , 988 , 19920 , 96638 , 254917 , 584972 , 8422122 , 9264785 , 40982044 , 73172279 , 235936067 , 858364286 , 3173389367 , 6217723372
n×2
63987798
n×3
95981697
n×4
127975596
n×5
159969495
n÷2
15996949.5
n÷3
10664633
n÷3
7998474.75
n÷5
6398779.8
n2
1023609573222201
n3
3.2749261301104E+22
n4
1.0477765583921E+30
n5
3.3522457383766E+37
2 √n
5656.3149664777
3 √n
317.46003258246
4 √n
75.208476692975
5 √n
31.696655077864
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
-31993898
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 31993899 can be divided by 8 positive divisors.
The sum of these divisors (counting 31993899) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111010000011000000101011
3
Ternary
2020012110101020
4
Quaternary
1322003000223
5
Quinary
31142301044
6
Senary
3101423523
8
Octal
172030053
10
Decimal
31993899
12
Duodecimal
a86aba3
16
Hexadecimal
1e8302b
20
Vigesimal
9jj4ej
36
Base36
j1qnf
md5
035162ccd36b32d0f9ef836b764c575e
sha1
66b8bc90a5b94270c7ff0f862aac126585331d09
sha256
e660efe55c41f6b3216f76049e5c730bccf91f26e7eb2cb159e6038b43218bfe
sha512
7c76b2e7fd92d810758002d51a4487da1350cee1d2230028d4f84a0c461601c995bc63c91c7d0c9999c9af564f9798ea83d24805b6d9839daa740405ba1aa5bd
ripemd-160
ed53ec24927275fbb66bf2a370ecaced8887b654
Diameter
63987798
Circumference
201023596.11619
Area
3.215764315379E+15
Volume
1.3717978495206E+23
Surface area
1.2863057261516E+16
Circumference
201023596.11619
Perimeter
127975596
Area
1023609573222201
Diagonal
45246205.878995
Surface area
6141657439333206
Volume
3.2749261301104E+22
Space diagonal
55415058.600227
Perimeter
95981697
Area
4.4323594698369E+14
Altitude
27707529.300114
Surface area
4.4323594698369E+14
Volume
3.8595374574768E+21
Height
15082068.626332