30871290 is an even 8-digits composite number following 30871289
and preceding 30871291 . In scientific notation, it is written as 3.0871290 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 7874240 positive integers (up to 30871290) that are relatively prime to 30871290.
30871290 has 32 divisors, whose sum is 77314176
The reverse of 30871290 is 09217803
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty million eight hundred seventy-one thousand two hundred ninety
Scientific notation
3.0871290 × 10^7
Engineering notation
3.0871290 × 10^6
Prime Factorization
2 × 5 × 3 × 23 × 44741
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30871290
Product of the distinct prime numbers
The prime factorization of 30871290 is 2 × 5 × 3 × 23 × 44741.
Since it has a total of 5 prime factors.
4 , 4 , 77 , 60 , 704 , 561 , 9096 , 5812 , 80550 , 84557 , 524533 , 100178 , 5603085 , 8350015 , 66638793 , 33343859 , 127017997 , 939362950 , 364810089 , 9479662622
n×2
61742580
n×3
92613870
n×4
123485160
n×5
154356450
n÷2
15435645
n÷3
10290430
n÷3
7717822.5
n÷5
6174258
n2
953036546264100
n3
2.9421467600317E+22
n4
9.08278658515E+29
n5
2.8039733867828E+37
2 √n
5556.193841111
3 √n
313.70270182181
4 √n
74.539880876689
5 √n
31.471029893797
1 , 2 , 3 , 5 , 6 , 10 , 15 , 23 , 30 , 46 , 69 , 115 , 138 , 230 , 345 , 690 , 44741 , 89482 , 134223 , 223705 , 268446 , 447410 , 671115 , 1029043 , 1342230 , 2058086 , 3087129 , 5145215 , 6174258 , 10290430 , 15435645 , 30871290
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
-30871289
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 30871290 can be divided by 32 positive divisors.
The sum of these divisors (counting 30871290) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110101110000111011111010
3
Ternary
2011002102110010
4
Quaternary
1311300323322
5
Quinary
30400340130
6
Senary
3021402350
8
Octal
165607372
10
Decimal
30871290
12
Duodecimal
a4093b6
16
Hexadecimal
1d70efa
20
Vigesimal
9cii4a
36
Base36
idofu
md5
55c60f3cd851781d9ac7b168ff922591
sha1
759e33efff98b12b9a2c37275a2b5d10b00d70b9
sha256
78f7b74323d04affe0bdc0371e6ac7ab0c327eea5242b8b3024e07cffcf524d5
sha512
17ceb7a77f98398d067b41bb02e54678be6cb9b5c8519fc056f59a96b28cb2c9466e9ae7cadfe6e84d02f593cd7beb4da9894dcd0c19548e6e4eda6cf386cf9d
ripemd-160
63f0e74a3f8708c3f375cf5dca7a2aabcf6928fd
Diameter
61742580
Circumference
193970035.74168
Area
2.9940526123459E+15
Volume
1.2324035529465E+23
Surface area
1.1976210449384E+16
Circumference
193970035.74168
Perimeter
123485160
Area
953036546264100
Diagonal
43658597.005953
Surface area
5718219277584600
Volume
2.9421467600317E+22
Space diagonal
53470642.775193
Perimeter
92613870
Area
4.1267692989985E+14
Altitude
26735321.387597
Surface area
4.1267692989985E+14
Volume
3.4673532087741E+21
Height
14552865.668651