30871289 is an odd 8-digits prime number following 30871288
and preceding 30871290 . In scientific notation, it is written as 3.0871289 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 30871288 positive integers (up to 30871289) that are relatively prime to 30871289.
30871289 has 2 divisors, whose sum is 30871290
The reverse of 30871289 is 98217803
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty million eight hundred seventy-one thousand two hundred eighty-nine
Scientific notation
3.0871289 × 10^7
Engineering notation
3.0871289 × 10^6
Prime Factorization
30871289
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
30871289
Product of the distinct prime numbers
The prime factorization of 30871289 is 30871289.
Since it has a total of 1 prime factors.
10 , 4 , 55 , 40 , 590 , 351 , 7549 , 4628 , 52510 , 52428 , 873658 , 859255 , 7632306 , 4399433 , 69688814 , 84425249 , 387034588 , 758988167 , 7195871726 , 607135354
n×2
61742578
n×3
92613867
n×4
123485156
n×5
154356445
n÷2
15435644.5
n÷3
10290429.666667
n÷3
7717822.25
n÷5
6174257.8
n2
953036484521521
n3
2.9421464741208E+22
n4
9.0827854082914E+29
n5
2.8039729326435E+37
2 √n
5556.1937511214
3 √n
313.7026984346
4 √n
74.539880273055
5 √n
31.471029689911
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
30871290
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15435645
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5556.193841111
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999352149
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30871289 can be divided by 2 positive divisors.
The sum of these divisors (counting 30871289) is 30871290, the average is 15435645.
Base
System
Value
2
Binary
1110101110000111011111001
3
Ternary
2011002102110002
4
Quaternary
1311300323321
5
Quinary
30400340124
6
Senary
3021402345
8
Octal
165607371
10
Decimal
30871289
12
Duodecimal
a4093b5
16
Hexadecimal
1d70ef9
20
Vigesimal
9cii49
36
Base36
idoft
md5
9100e0113c22a6fefb05569d2aa26096
sha1
0cae1320a57583143b54fe7c3fa8aaf5cd1600f2
sha256
18237fcd901208fb979c68dc14d18db91b199be0fee554c3a97ace271ad4988b
sha512
49c18b620ea02c4cd13047409a95fe76985be27d73498c2cdd2baa8fcdeb44dca362502fcefe0e6f89330c7bff30a3d088aa16da7dde4df6d5b2015fed533081
ripemd-160
cc0db501e28dc25bf4743f1a13cba85d0462e64a
Diameter
61742578
Circumference
193970029.45849
Area
2.9940524183759E+15
Volume
1.2324034331844E+23
Surface area
1.1976209673503E+16
Circumference
193970029.45849
Perimeter
123485156
Area
953036484521521
Diagonal
43658595.591739
Surface area
5718218907129126
Volume
2.9421464741208E+22
Space diagonal
53470641.043142
Perimeter
92613867
Area
4.1267690316453E+14
Altitude
26735320.521571
Surface area
4.1267690316453E+14
Volume
3.4673528718248E+21
Height
14552865.197246