31389780 is an even 8-digits composite number following 31389779
and preceding 31389781 . In scientific notation, it is written as 3.1389780 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 8211840 positive integers (up to 31389780) that are relatively prime to 31389780.
31389780 has 24 divisors, whose sum is 59705856
The reverse of 31389780 is 08798313
Previous prime number is 53
Is Prime? no Number parity even Number length 8 Sum of Digits 39 Digital Root 3
Name
thirty-one million three hundred eighty-nine thousand seven hundred eighty
Scientific notation
3.1389780 × 10^7
Engineering notation
3.1389780 × 10^6
Prime Factorization
2 × 2 × 15 × 53 × 9871
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
15694890 Product of the distinct prime numbers
The prime factorization of 31389780 is 2 × 2 × 15 × 53 × 9871.
Since it has a total of 5 prime factors.
5 , 8 , 22 , 71 , 313 , 366 , 6162 , 7572 , 79332 , 66102 , 921338 , 250444 , 7910358 , 1372373 , 43050256 , 99842494 , 149932729 , 590391066 , 1182308987 , 9932394819
n×2
62779560
n×3
94169340
n×4
125559120
n×5
156948900
n÷2
15694890
n÷3
10463260
n÷3
7847445
n÷5
6277956
n2
985318288448400
n3
3.0928924304372E+22
n4
9.7085212955088E+29
n5
3.0474834759134E+37
2 √n5602.6582976298
3 √n315.44919536606
4 √n74.850907126299
5 √n31.576039333549
1 , 2 , 4 , 15 , 30 , 53 , 60 , 106 , 212 , 795 , 1590 , 3180 , 9871 , 19742 , 39484 , 148065 , 296130 , 523163 , 592260 , 1046326 , 2092652 , 7847445 , 15694890 , 31389780
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
-31389779 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 31389780 can be divided by 24 positive divisors.
The sum of these divisors (counting 31389780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111101111100001010100
3
Ternary
2012001202200110
4
Quaternary
1313233201110
5
Quinary
31013433110
6
Senary
3040443020
8
Octal
167574124
10
Decimal
31389780
12
Duodecimal
a619470
16
Hexadecimal
1def854
20
Vigesimal
9g3e90
36
Base36
iosic
md5
df28f62f84ca876d77a642134f6de807
sha1
360571464bafdd064b09b06236b2b3bff3f79507
sha256
8e5cce38ba56ccf6fea61cb978e5969191426348e51ddb4cd0d07d60c10f4c51
sha512
8731384ec88af3982381a90a6a8d0c350f7984f2ebff6420fe33f9bbb6d363efb30a64f34c84460367e20a5bf56897fdd0337ee85e19ddc268becee2b6afd474
ripemd-160
f7b6e8e63b2c64a5e0740c616f1b7f316236541f
Diameter
62779560
Circumference
197227804.4916
Area
3.0954686964372E+15
Volume
1.2955477517073E+23
Surface area
1.2381874785749E+16
Circumference
197227804.4916
Perimeter
125559120
Area
985318288448400
Diagonal
44391852.595908
Surface area
5911909730690400
Volume
3.0928924304372E+22
Space diagonal
54368693.798409
Perimeter
94169340
Area
4.2665533430486E+14
Altitude
27184346.899205
Surface area
4.2665533430486E+14
Volume
3.6450086850711E+21
Height
14797284.198636