31505081 is an odd 8-digits prime number following 31505080
and preceding 31505082 . In scientific notation, it is written as 3.1505081 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 31505080 positive integers (up to 31505081) that are relatively prime to 31505081.
31505081 has 2 divisors, whose sum is 31505082
The reverse of 31505081 is 18050513
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
thirty-one million five hundred five thousand eighty-one
Scientific notation
3.1505081 × 10^7
Engineering notation
3.1505081 × 10^6
Prime Factorization
31505081
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31505081
Product of the distinct prime numbers
The prime factorization of 31505081 is 31505081.
Since it has a total of 1 prime factors.
7 , 10 , 5 , 35 , 6 , 115 , 5820 , 8415 , 46145 , 17146 , 977078 , 565178 , 7468783 , 3223493 , 34182696 , 70571624 , 308302952 , 400246208 , 7376950077 , 9305872367
n×2
63010162
n×3
94515243
n×4
126020324
n×5
157525405
n÷2
15752540.5
n÷3
10501693.666667
n÷3
7876270.25
n÷5
6301016.2
n2
992570128816561
n3
3.1271002306546E+22
n4
9.8519546061892E+29
n5
3.1038662787632E+37
2 √n
5612.9387133658
3 √n
315.83495961705
4 √n
74.919548272569
5 √n
31.599202359145
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31505082
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15752541
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5612.9388024456
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999365182
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31505081 can be divided by 2 positive divisors.
The sum of these divisors (counting 31505081) is 31505082, the average is 15752541.
Base
System
Value
2
Binary
1111000001011101010111001
3
Ternary
2012021121211212
4
Quaternary
1320023222321
5
Quinary
31031130311
6
Senary
3043132505
8
Octal
170135271
10
Decimal
31505081
12
Duodecimal
a674135
16
Hexadecimal
1e0bab9
20
Vigesimal
9gi2e1
36
Base36
ir9h5
md5
948e5fa7bb143ccb75b3cf230b759b9c
sha1
a0c980bd4a4a0bdcd571675bec31eec5ae6daffe
sha256
5b4782abb4be2ad0fcd8baa84775270f4089cf9c04bf525ca0f95a59aeb24ced
sha512
9b44b3b7d0dc11852ff4a3aa27f88c6ce9c228e297b82ba0727e46b58a2fe152e8e984752a64f70349e755d42b3c5b9c18af20cd854f8cb0c3e5f3b4c261ba28
ripemd-160
136b9726b4ce2385f31f60acf86326c6fcefda8e
Diameter
63010162
Circumference
197952262.0407
Area
3.1182510248628E+15
Volume
1.3098766815551E+23
Surface area
1.2473004099451E+16
Circumference
197952262.0407
Perimeter
126020324
Area
992570128816561
Diagonal
44554912.833863
Surface area
5955420772899366
Volume
3.1271002306546E+22
Space diagonal
54568400.988573
Perimeter
94515243
Area
4.2979547329637E+14
Altitude
27284200.494286
Surface area
4.2979547329637E+14
Volume
3.6853229642432E+21
Height
14851637.611288