31371285 is an odd 8-digits composite number following 31371284
and preceding 31371286 . In scientific notation, it is written as 3.1371285 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 15210240 positive integers (up to 31371285) that are relatively prime to 31371285.
31371285 has 16 divisors, whose sum is 54757440
The reverse of 31371285 is 58217313
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million three hundred seventy-one thousand two hundred eighty-five
Scientific notation
3.1371285 × 10^7
Engineering notation
3.1371285 × 10^6
Prime Factorization
3 × 5 × 11 × 190129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31371285
Product of the distinct prime numbers
The prime factorization of 31371285 is 3 × 5 × 11 × 190129.
Since it has a total of 4 prime factors.
8 , 8 , 95 , 88 , 406 , 808 , 8204 , 2384 , 3258 , 3692 , 732234 , 575022 , 5956540 , 8983994 , 57901106 , 95562843 , 91741156 , 224525442 , 761791410 , 8224668050
n×2
62742570
n×3
94113855
n×4
125485140
n×5
156856425
n÷2
15685642.5
n÷3
10457095
n÷3
7842821.25
n÷5
6274257
n2
984157522551225
n3
3.0874286124848E+22
n4
9.6856602919416E+29
n5
3.0385160943168E+37
2 √n
5601.0074986559
3 √n
315.3872284977
4 √n
74.839879066283
5 √n
31.572317507311
1 , 3 , 5 , 11 , 15 , 33 , 55 , 165 , 190129 , 570387 , 950645 , 2091419 , 2851935 , 6274257 , 10457095 , 31371285
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
-31371284
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 31371285 can be divided by 16 positive divisors.
The sum of these divisors (counting 31371285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111101011000000010101
3
Ternary
2012000211022110
4
Quaternary
1313223000111
5
Quinary
31012340120
6
Senary
3040221233
8
Octal
167530025
10
Decimal
31371285
12
Duodecimal
a60a819
16
Hexadecimal
1deb015
20
Vigesimal
9g1845
36
Base36
ioe8l
md5
ea9a230b608e17312788bf90055efed7
sha1
d7706013314dd745021a0db12c808bff6dbc6e1d
sha256
f1f5a2c4bad9d83256d4fa38ac1a36a072780707afd0ccc68552e75dfe76f5c7
sha512
b9149629adc40f9ebdbc0d5f8b7a94c3111441081f01c86beb93d280f7e19b1124a7aee83eb1f01f3624c87abc131847a67c63cc1c5fbd258928af04a05a8708
ripemd-160
71a889b954f2934df7d428098172a82c57924412
Diameter
62742570
Circumference
197111596.97934
Area
3.0918220428221E+15
Volume
1.2932590729954E+23
Surface area
1.2367288171288E+16
Circumference
197111596.97934
Perimeter
125485140
Area
984157522551225
Diagonal
44365696.716072
Surface area
5904945135307350
Volume
3.0874286124848E+22
Space diagonal
54336659.518723
Perimeter
94113855
Area
4.2615270792746E+14
Altitude
27168329.759362
Surface area
4.2615270792746E+14
Volume
3.6385695138623E+21
Height
14788565.572024