31005980 is an even 8-digits composite number following 31005979
and preceding 31005981 . In scientific notation, it is written as 3.1005980 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 12402384 positive integers (up to 31005980) that are relatively prime to 31005980.
31005980 has 12 divisors, whose sum is 65112600
The reverse of 31005980 is 08950013
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirty-one million five thousand nine hundred eighty
Scientific notation
3.1005980 × 10^7
Engineering notation
3.1005980 × 10^6
Prime Factorization
2 × 2 × 5 × 1550299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15502990
Product of the distinct prime numbers
The prime factorization of 31005980 is 2 × 2 × 5 × 1550299.
Since it has a total of 4 prime factors.
3 , 2 , 50 , 96 , 103 , 506 , 8349 , 5504 , 54508 , 54554 , 551690 , 795104 , 585662 , 5113029 , 77099911 , 38259178 , 357456983 , 165796017 , 8326209968 , 9003718818
n×2
62011960
n×3
93017940
n×4
124023920
n×5
155029900
n÷2
15502990
n÷3
10335326.666667
n÷3
7751495
n÷5
6201196
n2
961370795760400
n3
2.9808243665931E+22
n4
9.2423380694098E+29
n5
2.8656774933336E+37
2 √n
5568.3013567874
3 √n
314.15826335581
4 √n
74.621051699821
5 √n
31.498443421318
1 , 2 , 4 , 5 , 10 , 20 , 1550299 , 3100598 , 6201196 , 7751495 , 15502990 , 31005980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31005979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31005980 can be divided by 12 positive divisors.
The sum of these divisors (counting 31005980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110010001110100011100
3
Ternary
2011100021012122
4
Quaternary
1312101310130
5
Quinary
30414142410
6
Senary
3024322112
8
Octal
166216434
10
Decimal
31005980
12
Duodecimal
a473338
16
Hexadecimal
1d91d1c
20
Vigesimal
9dfej0
36
Base36
igkd8
md5
61836569905126b1b7277f527dd4b139
sha1
d735323c53dc36dcd5e4f585dfcd5829eb689672
sha256
6bfa5ba50d81bd8c7ee44a0bef0e007d644125e9f1cdf4078e1302e44f58fdd4
sha512
41e6427096184f2e25d31afb71ff861b8b948803f1bbc1eb1a89a46051310068fdcf321451db89030ac380237823cb006442948f09a07a1d75b64d29799ea8ba
ripemd-160
1940126f576f79dd63506fe03b32598852929535
Diameter
62011960
Circumference
194816317.9707
Area
3.0202354293366E+15
Volume
1.2486047908974E+23
Surface area
1.2080941717347E+16
Circumference
194816317.9707
Perimeter
124023920
Area
961370795760400
Diagonal
43849077.430669
Surface area
5768224774562400
Volume
2.9808243665931E+22
Space diagonal
53703932.698464
Perimeter
93017940
Area
4.1628576579248E+14
Altitude
26851966.349232
Surface area
4.1628576579248E+14
Volume
3.5129352052401E+21
Height
14616359.143556