31497790 is an even 8-digits composite number following 31497789
and preceding 31497791 . In scientific notation, it is written as 3.1497790 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 12579520 positive integers (up to 31497790) that are relatively prime to 31497790.
31497790 has 16 divisors, whose sum is 56784240
The reverse of 31497790 is 09779413
Previous prime number is 761
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
thirty-one million four hundred ninety-seven thousand seven hundred ninety
Scientific notation
3.1497790 × 10^7
Engineering notation
3.1497790 × 10^6
Prime Factorization
2 × 5 × 761 × 4139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31497790
Product of the distinct prime numbers
The prime factorization of 31497790 is 2 × 5 × 761 × 4139.
Since it has a total of 4 prime factors.
3 , 9 , 8 , 28 , 968 , 620 , 8773 , 7578 , 42283 , 42219 , 853502 , 299001 , 963363 , 4065678 , 92892120 , 43050589 , 305498608 , 865716945 , 3555141031 , 8291704522
n×2
62995580
n×3
94493370
n×4
125991160
n×5
157488950
n÷2
15748895
n÷3
10499263.333333
n÷3
7874447.5
n÷5
6299558
n2
992110774884100
n3
3.1249296844037E+22
n4
9.8428378964113E+29
n5
3.100276410652E+37
2 √n
5612.2891942593
3 √n
315.81059391394
4 √n
74.915213369911
5 √n
31.59773966737
1 , 2 , 5 , 10 , 761 , 1522 , 3805 , 4139 , 7610 , 8278 , 20695 , 41390 , 3149779 , 6299558 , 15748895 , 31497790
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31497789
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31497790 can be divided by 16 positive divisors.
The sum of these divisors (counting 31497790) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001001111000111110
3
Ternary
2012021020211211
4
Quaternary
1320021320332
5
Quinary
31030412130
6
Senary
3043035034
8
Octal
170117076
10
Decimal
31497790
12
Duodecimal
a66ba7a
16
Hexadecimal
1e09e3e
20
Vigesimal
9gh49a
36
Base36
ir3um
md5
71e1b34dfd16a13262cdbb57f2b5d525
sha1
90a6d3d15b2d377283429f7dc1bd259ca25eeb12
sha256
71d6127cb0b8e9504841c7c0ca7995821aa8c81e6f6d0ebc28d2b27a5e502e8e
sha512
308afc4d5503edc82412be1062cc07ee66cdd11dc3294d7ddf9289956e5d37937a15a4b5215d4ebaeeacb3fd79f6df1a54cf64ffbe011170dea924a5ae637479
ripemd-160
ebdbaa4e68f1464fbad69866f4e5fbb0ae2d57ad
Diameter
62995580
Circumference
197906451.33663
Area
3.1168079219232E+15
Volume
1.3089674852676E+23
Surface area
1.2467231687693E+16
Circumference
197906451.33663
Perimeter
125991160
Area
992110774884100
Diagonal
44544601.80278
Surface area
5952664649304600
Volume
3.1249296844037E+22
Space diagonal
54555772.606135
Perimeter
94493370
Area
4.2959656720895E+14
Altitude
27277886.303067
Surface area
4.2959656720895E+14
Volume
3.682764950955E+21
Height
14848200.600927