31507940 is an even 8-digits composite number following 31507939
and preceding 31507941 . In scientific notation, it is written as 3.1507940 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 12603168 positive integers (up to 31507940) that are relatively prime to 31507940.
31507940 has 12 divisors, whose sum is 66166716
The reverse of 31507940 is 04970513
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million five hundred seven thousand nine hundred forty
Scientific notation
3.1507940 × 10^7
Engineering notation
3.1507940 × 10^6
Prime Factorization
2 × 2 × 5 × 1575397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15753970
Product of the distinct prime numbers
The prime factorization of 31507940 is 2 × 2 × 5 × 1575397.
Since it has a total of 4 prime factors.
6 , 9 , 23 , 31 , 293 , 733 , 7628 , 7866 , 24720 , 18122 , 260190 , 989616 , 2669475 , 2760558 , 75630682 , 39031739 , 724199001 , 508327316 , 9096919954 , 6133600976
n×2
63015880
n×3
94523820
n×4
126031760
n×5
157539700
n÷2
15753970
n÷3
10502646.666667
n÷3
7876985
n÷5
6301588
n2
992750283043600
n3
3.1279516353121E+22
n4
9.8555312448315E+29
n5
3.1052748713028E+37
2 √n
5613.1933870124
3 √n
315.84451304788
4 √n
74.921247900795
5 √n
31.59977584658
1 , 2 , 4 , 5 , 10 , 20 , 1575397 , 3150794 , 6301588 , 7876985 , 15753970 , 31507940
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
-31507939
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 31507940 can be divided by 12 positive divisors.
The sum of these divisors (counting 31507940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111000001100010111100100
3
Ternary
2012021202202202
4
Quaternary
1320030113210
5
Quinary
31031223230
6
Senary
3043154032
8
Octal
170142744
10
Decimal
31507940
12
Duodecimal
a675918
16
Hexadecimal
1e0c5e4
20
Vigesimal
9gi9h0
36
Base36
irbok
md5
3aee1dfb062d0f6f277a2b85d1d893e6
sha1
c80fbb808689b35bbfe93292c6d673b5429eb5f9
sha256
0f9619348f3384a76f53e3918bcd83c5ea60f05d4c46836f523a6fef816e03e2
sha512
4b5df4bcc463a20df123fc33793f84b3ef17747e79bb6f577b3a2ed95c0c50fdc5b256c82ea27626146cdc9fb287829ad1f1113f74cc4f594658f1dde9733732
ripemd-160
069be510b83f5d29ce56963bd1fe0a633a82f3dd
Diameter
63015880
Circumference
197970225.6675
Area
3.118816996059E+15
Volume
1.3102333171041E+23
Surface area
1.2475267984236E+16
Circumference
197970225.6675
Perimeter
126031760
Area
992750283043600
Diagonal
44558956.070438
Surface area
5956501698261600
Volume
3.1279516353121E+22
Space diagonal
54573352.921832
Perimeter
94523820
Area
4.2987348236497E+14
Altitude
27286676.460916
Surface area
4.2987348236497E+14
Volume
3.6863263542545E+21
Height
14852985.356813