31381490 is an even 8-digits composite number following 31381489
and preceding 31381491 . In scientific notation, it is written as 3.1381490 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors.
There are 10126080 positive integers (up to 31381490) that are relatively prime to 31381490.
31381490 has 32 divisors, whose sum is 68356224
The reverse of 31381490 is 09418313
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million three hundred eighty-one thousand four hundred ninety
Scientific notation
3.1381490 × 10^7
Engineering notation
3.1381490 × 10^6
Prime Factorization
2 × 7 × 5 × 17 × 26371
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31381490
Product of the distinct prime numbers
The prime factorization of 31381490 is 2 × 7 × 5 × 17 × 26371.
Since it has a total of 5 prime factors.
9 , 7 , 29 , 2 , 998 , 607 , 3403 , 3928 , 1174 , 1285 , 591109 , 666652 , 1101268 , 7223165 , 71366552 , 42558653 , 381920006 , 916844720 , 4086137968 , 3776568264
n×2
62762980
n×3
94144470
n×4
125525960
n×5
156907450
n÷2
15690745
n÷3
10460496.666667
n÷3
7845372.5
n÷5
6276298
n2
984797914620100
n3
3.0904425909672E+22
n4
9.698269326401E+29
n5
3.0434614188376E+37
2 √n
5601.9184213982
3 √n
315.42142301387
4 √n
74.84596463002
5 √n
31.574371319162
1 , 2 , 5 , 7 , 10 , 14 , 17 , 34 , 35 , 70 , 85 , 119 , 170 , 238 , 595 , 1190 , 26371 , 52742 , 131855 , 184597 , 263710 , 369194 , 448307 , 896614 , 922985 , 1845970 , 2241535 , 3138149 , 4483070 , 6276298 , 15690745 , 31381490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31381489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31381490 can be divided by 32 positive divisors.
The sum of these divisors (counting 31381490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110111101101011111110010
3
Ternary
2012001100022102
4
Quaternary
1313231133302
5
Quinary
31013201430
6
Senary
3040340402
8
Octal
167553762
10
Decimal
31381490
12
Duodecimal
a614702
16
Hexadecimal
1ded7f2
20
Vigesimal
9g2dea
36
Base36
iom42
md5
4bf1262035092bfa0f3d1d551284f2d4
sha1
416e7224fa225440c295b166096992d073e4f0d6
sha256
687e6975056c2a8cb4a1c69e0e22b8d1f3c6d5ea4a4ed9d4991e50c290ca41a9
sha512
aebe4faf2a23803a01ef2825adaf940ad8111bc720e7da16733c22ab8a5a824cdff3b798650d8865b4b5b474242084285f3468473479e28a3d2f69577191e73b
ripemd-160
9e03211d4006f66219750aa3df1f07fed483b88d
Diameter
62762980
Circumference
197175716.8854
Area
3.0938338938411E+15
Volume
1.2945215653498E+23
Surface area
1.2375335575364E+16
Circumference
197175716.8854
Perimeter
125525960
Area
984797914620100
Diagonal
44380128.765476
Surface area
5908787487720600
Volume
3.0904425909672E+22
Space diagonal
54354335.097215
Perimeter
94144470
Area
4.2643000582747E+14
Altitude
27177167.548607
Surface area
4.2643000582747E+14
Volume
3.6421215215677E+21
Height
14793376.255159