31506420 is an even 8-digits composite number following 31506419
and preceding 31506421 . In scientific notation, it is written as 3.1506420 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 7637760 positive integers (up to 31506420) that are relatively prime to 31506420.
31506420 has 24 divisors, whose sum is 64159872
The reverse of 31506420 is 02460513
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
thirty-one million five hundred six thousand four hundred twenty
Scientific notation
3.1506420 × 10^7
Engineering notation
3.1506420 × 10^6
Prime Factorization
2 × 2 × 15 × 11 × 47737
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15753210
Product of the distinct prime numbers
The prime factorization of 31506420 is 2 × 2 × 15 × 11 × 47737.
Since it has a total of 5 prime factors.
5 , 7 , 86 , 81 , 984 , 187 , 2179 , 4044 , 89587 , 92805 , 61310 , 367990 , 4009616 , 5625591 , 79440009 , 70103441 , 112737918 , 342246924 , 2240420685 , 7526211214
n×2
63012840
n×3
94519260
n×4
126025680
n×5
157532100
n÷2
15753210
n÷3
10502140
n÷3
7876605
n÷5
6301284
n2
992654501216400
n3
3.1274989630214E+22
n4
9.8536295878518E+29
n5
3.1045259231929E+37
2 √n
5613.0579900799
3 √n
315.83943399606
4 √n
74.92034430033
5 √n
31.599470954631
1 , 2 , 4 , 11 , 15 , 22 , 30 , 44 , 60 , 165 , 330 , 660 , 47737 , 95474 , 190948 , 525107 , 716055 , 1050214 , 1432110 , 2100428 , 2864220 , 7876605 , 15753210 , 31506420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31506419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31506420 can be divided by 24 positive divisors.
The sum of these divisors (counting 31506420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111000001011111111110100
3
Ternary
2012021200200110
4
Quaternary
1320023333310
5
Quinary
31031201140
6
Senary
3043143020
8
Octal
170137764
10
Decimal
31506420
12
Duodecimal
a674a70
16
Hexadecimal
1e0bff4
20
Vigesimal
9gi610
36
Base36
iraic
md5
e648a9bb91766461a527d8d6bb17b9d7
sha1
f942cf3ef00b9c23dfdb2862ae01980279530bc3
sha256
0a40af323dc7520525e60fc42224c27ba1467fc79cad15037ce38e31a9a623c1
sha512
fa882aaaba3496353f64197fd06ba893e0fdc2f2f3010b86ef839490773c76468bf42589bcac99d91b864c9e73be118d2eea3b2daa7de96ef1242463826599b6
ripemd-160
c5b20bb7d0b682ee34a3ccb61d4d6b46364ff15b
Diameter
63012840
Circumference
197960675.22583
Area
3.1185160885743E+15
Volume
1.3100437021784E+23
Surface area
1.2474064354297E+16
Circumference
197960675.22583
Perimeter
126025680
Area
992654501216400
Diagonal
44556806.465823
Surface area
5955927007298400
Volume
3.1274989630214E+22
Space diagonal
54570720.204604
Perimeter
94519260
Area
4.2983200761719E+14
Altitude
27285360.102302
Surface area
4.2983200761719E+14
Volume
3.6857928748439E+21
Height
14852268.821941