30871245 is an odd 8-digits composite number following 30871244
and preceding 30871246 . In scientific notation, it is written as 3.0871245 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 16113984 positive integers (up to 30871245) that are relatively prime to 30871245.
30871245 has 16 divisors, whose sum is 50446080
The reverse of 30871245 is 54217803
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty million eight hundred seventy-one thousand two hundred forty-five
Scientific notation
3.0871245 × 10^7
Engineering notation
3.0871245 × 10^6
Prime Factorization
5 × 3 × 47 × 43789
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30871245
Product of the distinct prime numbers
The prime factorization of 30871245 is 5 × 3 × 47 × 43789.
Since it has a total of 4 prime factors.
10 , 9 , 25 , 81 , 184 , 319 , 1207 , 8536 , 72812 , 30825 , 813333 , 221697 , 5473706 , 4449095 , 81126140 , 14060142 , 81887023 , 199723530 , 8754703551 , 8946979186
n×2
61742490
n×3
92613735
n×4
123484980
n×5
154356225
n÷2
15435622.5
n÷3
10290415
n÷3
7717811.25
n÷5
6174249
n2
953033767850025
n3
2.9421338940571E+22
n4
9.0827336266242E+29
n5
2.8039529505725E+37
2 √n
5556.1897915748
3 √n
313.70254939725
4 √n
74.53985371313
5 √n
31.471020718948
1 , 3 , 5 , 15 , 47 , 141 , 235 , 705 , 43789 , 131367 , 218945 , 656835 , 2058083 , 6174249 , 10290415 , 30871245
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
-30871244
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 30871245 can be divided by 16 positive divisors.
The sum of these divisors (counting 30871245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101110000111011001101
3
Ternary
2011002102101110
4
Quaternary
1311300323031
5
Quinary
30400334440
6
Senary
3021402233
8
Octal
165607315
10
Decimal
30871245
12
Duodecimal
a409379
16
Hexadecimal
1d70ecd
20
Vigesimal
9cii25
36
Base36
idoel
md5
d52382bd59e6f8064975998ee96b9eb6
sha1
c59118a0f67153ab8237f88f59b3f925259edae3
sha256
1ab8000feae69f8485058e4379c39dd97aaf757b72e6009afde81a6bc67030de
sha512
eff1d00fd531d0479a756fddbc614c0e1ee7bc9d986091695a73a0d15c20abe32ad90597c9e49e4884f700ec88f8ec30a435bed516376d14b46fd6641b9c9301
ripemd-160
6e998884da97dbba11c3cff2e1acd08a01c1c4fc
Diameter
61742490
Circumference
193969752.99834
Area
2.9940438837006E+15
Volume
1.2323981636597E+23
Surface area
1.1976175534803E+16
Circumference
193969752.99834
Perimeter
123484980
Area
953033767850025
Diagonal
43658533.366343
Surface area
5718202607100150
Volume
2.9421338940571E+22
Space diagonal
53470564.832907
Perimeter
92613735
Area
4.1267572681126E+14
Altitude
26735282.416453
Surface area
4.1267572681126E+14
Volume
3.4673380460776E+21
Height
14552844.455448