31000131 is an odd 8-digits composite number following 31000130
and preceding 31000132 . In scientific notation, it is written as 3.1000131 × 10^7.
The sum of its digits is 9. It has a total of 3 prime factors and 8 positive divisors.
There are 20619144 positive integers (up to 31000131) that are relatively prime to 31000131.
31000131 has 8 divisors, whose sum is 32222400
The reverse of 31000131 is 13100013
Previous prime number is 2099
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 9
Digital Root 9
Name
thirty-one million one hundred thirty-one
Scientific notation
3.1000131 × 10^7
Engineering notation
3.1000131 × 10^6
Prime Factorization
27 × 2099 × 547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31000131
Product of the distinct prime numbers
The prime factorization of 31000131 is 27 × 2099 × 547.
Since it has a total of 3 prime factors.
8 , 2 , 52 , 80 , 458 , 794 , 7571 , 7761 , 38792 , 40306 , 885561 , 32942 , 359914 , 5131110 , 13772441 , 48888577 , 806136838 , 122466501 , 1541621482 , 415587464
n×2
62000262
n×3
93000393
n×4
124000524
n×5
155000655
n÷2
15500065.5
n÷3
10333377
n÷3
7750032.75
n÷5
6200026.2
n2
961008122017161
n3
2.9791377674596E+22
n4
9.2353661058295E+29
n5
2.8629755911367E+37
2 √n
5567.7761269649
3 √n
314.13850773407
4 √n
74.617532302837
5 √n
31.497254951875
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
-31000130
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 31000131 can be divided by 8 positive divisors.
The sum of these divisors (counting 31000131) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110010000011001000011
3
Ternary
2011022222012000
4
Quaternary
1312100121003
5
Quinary
30414001011
6
Senary
3024235043
8
Octal
166203103
10
Decimal
31000131
12
Duodecimal
a46ba83
16
Hexadecimal
1d90643
20
Vigesimal
9df06b
36
Base36
igfur
md5
8975a826019517dada8ff3bcce604f36
sha1
e3088d2c181ca7e9023f36e09f1ef6399cccbd40
sha256
44c0db364ed73f657a806835a280827dcbac6309fbb10cc738b60c96c12cd813
sha512
b5bc2dda091ad973ef96ca8efaccadc5f1d2d54750a80c1b4ceca5207d368aa88a304d0faa0586c1749762d20f4e4b29d43ef2fda0c49a276394e471eb26af49
ripemd-160
460d2fd76369a6970cba8249eb816fcf36164ed7
Diameter
62000262
Circumference
194779567.61984
Area
3.0190960561692E+15
Volume
1.2478983099044E+23
Surface area
1.2076384224677E+16
Circumference
194779567.61984
Perimeter
124000524
Area
961008122017161
Diagonal
43840805.695543
Surface area
5766048732102966
Volume
2.9791377674596E+22
Space diagonal
53693801.933291
Perimeter
93000393
Area
4.1612872345502E+14
Altitude
26846900.966645
Surface area
4.1612872345502E+14
Volume
3.5109475290994E+21
Height
14613601.898514