31139975 is an odd 8-digits composite number following 31139974
and preceding 31139976 . In scientific notation, it is written as 3.1139975 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 24192000 positive integers (up to 31139975) that are relatively prime to 31139975.
31139975 has 24 divisors, whose sum is 39750432
The reverse of 31139975 is 57993113
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty-one million one hundred thirty-nine thousand nine hundred seventy-five
Scientific notation
3.1139975 × 10^7
Engineering notation
3.1139975 × 10^6
Prime Factorization
5 × 5 × 73 × 151 × 113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6227995
Product of the distinct prime numbers
The prime factorization of 31139975 is 5 × 5 × 73 × 151 × 113.
Since it has a total of 5 prime factors.
2 , 9 , 78 , 27 , 474 , 33 , 5270 , 814 , 84462 , 33636 , 892599 , 558283 , 6283528 , 7960719 , 60057123 , 36382396 , 270745929 , 911940092 , 3729561715 , 2693875891
n×2
62279950
n×3
93419925
n×4
124559900
n×5
155699875
n÷2
15569987.5
n÷3
10379991.666667
n÷3
7784993.75
n÷5
6227995
n2
969698043000625
n3
3.0196372816588E+22
n4
9.4031429459924E+29
n5
2.9281363625963E+37
2 √n
5580.3203313072
3 √n
314.61016695315
4 √n
74.701541692974
5 √n
31.525621126101
1 , 5 , 25 , 73 , 113 , 151 , 365 , 565 , 755 , 1825 , 2825 , 3775 , 8249 , 11023 , 17063 , 41245 , 55115 , 85315 , 206225 , 275575 , 426575 , 1245599 , 6227995 , 31139975
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
-31139974
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 31139975 can be divided by 24 positive divisors.
The sum of these divisors (counting 31139975) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110110010100010000111
3
Ternary
2011121002000102
4
Quaternary
1312302202013
5
Quinary
30432434400
6
Senary
3031234315
8
Octal
166624207
10
Decimal
31139975
12
Duodecimal
a51899b
16
Hexadecimal
1db2887
20
Vigesimal
9ec9if
36
Base36
ijfrb
md5
8a84209cbb6e9195f331df0f4dd0359b
sha1
b8649cdd227c01e7a7c8398dc5b07bcb67080ea2
sha256
22f2854b83c9ace535c2370c4121a3d72f137f9b6ce93d2188a938fbcbd2b0a0
sha512
f295d312584c196aa348e98be6703c0106949881da6f12b8e07dc8a48c5b86bb39758b1308170251aebfd2e45e0118dae8831d9b4c41ad302adcd9c75de9e70a
ripemd-160
d118bd78ef4d6fdd79dd44a7baf265715f2c8ba6
Diameter
62279950
Circumference
195658233.38594
Area
3.0463962480912E+15
Volume
1.264862706742E+23
Surface area
1.2185584992365E+16
Circumference
195658233.38594
Perimeter
124559900
Area
969698043000625
Diagonal
44038574.976959
Surface area
5818188258003750
Volume
3.0196372816588E+22
Space diagonal
53936018.846425
Perimeter
93419925
Area
4.198915696193E+14
Altitude
26968009.423212
Surface area
4.198915696193E+14
Volume
3.5586766643078E+21
Height
14679524.99232