31003990 is an even 8-digits composite number following 31003989
and preceding 31003991 . In scientific notation, it is written as 3.1003990 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 12365056 positive integers (up to 31003990) that are relatively prime to 31003990.
31003990 has 16 divisors, whose sum is 55971648
The reverse of 31003990 is 09930013
Previous prime number is 353
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million three thousand nine hundred ninety
Scientific notation
3.1003990 × 10^7
Engineering notation
3.1003990 × 10^6
Prime Factorization
2 × 5 × 353 × 8783
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31003990
Product of the distinct prime numbers
The prime factorization of 31003990 is 2 × 5 × 353 × 8783.
Since it has a total of 4 prime factors.
8 , 6 , 7 , 15 , 95 , 225 , 7543 , 7129 , 11238 , 69447 , 491790 , 670738 , 9957755 , 4078957 , 74427018 , 59148674 , 937964359 , 643507866 , 1503777766 , 6282542323
n×2
62007980
n×3
93011970
n×4
124015960
n×5
155019950
n÷2
15501995
n÷3
10334663.333333
n÷3
7750997.5
n÷5
6200798
n2
961247395920100
n3
2.9802504650633E+22
n4
9.2399655616317E+29
n5
2.8647579987317E+37
2 √n
5568.1226638787
3 √n
314.1515421973
4 √n
74.619854354446
5 √n
31.498039089562
1 , 2 , 5 , 10 , 353 , 706 , 1765 , 3530 , 8783 , 17566 , 43915 , 87830 , 3100399 , 6200798 , 15501995 , 31003990
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
-31003989
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 31003990 can be divided by 16 positive divisors.
The sum of these divisors (counting 31003990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110010001010101010110
3
Ternary
2011100011110221
4
Quaternary
1312101111112
5
Quinary
30414111430
6
Senary
3024304554
8
Octal
166212526
10
Decimal
31003990
12
Duodecimal
a47215a
16
Hexadecimal
1d91556
20
Vigesimal
9df9ja
36
Base36
igity
md5
8170ae55cc8164964faff8e128c51cfc
sha1
ffb5cc1f018edff17c8dc0db37254eeeca0a3408
sha256
a5391de16fc2a1135268948368be76401f38986571b8db1ff5758925fbf442b2
sha512
630657b68ebada2599c9f21170059fe991234f0ea9dc4cd0b1bcf4829be696c021a1bcf4856941beef11e5b179416225008458fd2e47bb31dec78e456d0f5dd7
ripemd-160
976caad8f1193622ab0e90273203a93590caaf21
Diameter
62007980
Circumference
194803814.43194
Area
3.0198477573049E+15
Volume
1.2483643955867E+23
Surface area
1.207939102922E+16
Circumference
194803814.43194
Perimeter
124015960
Area
961247395920100
Diagonal
43846263.14568
Surface area
5767484375520600
Volume
2.9802504650633E+22
Space diagonal
53700485.917357
Perimeter
93011970
Area
4.1623233209422E+14
Altitude
26850242.958679
Surface area
4.1623233209422E+14
Volume
3.512258855801E+21
Height
14615421.04856