30487947 is an odd 8-digits composite number following 30487946
and preceding 30487948 . In scientific notation, it is written as 3.0487947 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 17421600 positive integers (up to 30487947) that are relatively prime to 30487947.
30487947 has 12 divisors, whose sum is 47287656
The reverse of 30487947 is 74978403
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty million four hundred eighty-seven thousand nine hundred forty-seven
Scientific notation
3.0487947 × 10^7
Engineering notation
3.0487947 × 10^6
Prime Factorization
3 × 7 × 7 × 207401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4355421
Product of the distinct prime numbers
The prime factorization of 30487947 is 3 × 7 × 7 × 207401.
Since it has a total of 4 prime factors.
7 , 10 , 5 , 70 , 500 , 437 , 7735 , 5719 , 96111 , 95208 , 64596 , 397515 , 5041893 , 8899758 , 92769205 , 59710191 , 286520433 , 545095395 , 478728699 , 2046255966
n×2
60975894
n×3
91463841
n×4
121951788
n×5
152439735
n÷2
15243973.5
n÷3
10162649
n÷3
7621986.75
n÷5
6097589.4
n2
929514912274809
n3
2.8339001381144E+22
n4
8.6399797214125E+29
n5
2.634152438275E+37
2 √n
5521.5891734174
3 √n
312.39882634132
4 √n
74.307396491987
5 √n
31.392480717103
1 , 3 , 7 , 21 , 49 , 147 , 207401 , 622203 , 1451807 , 4355421 , 10162649 , 30487947
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30487946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30487947 can be divided by 12 positive divisors.
The sum of these divisors (counting 30487947) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110100010011010110001011
3
Ternary
2010100221121020
4
Quaternary
1310103112023
5
Quinary
30301103242
6
Senary
3005243523
8
Octal
164232613
10
Decimal
30487947
12
Duodecimal
a2635a3
16
Hexadecimal
1d1358b
20
Vigesimal
9aajh7
36
Base36
i5gnf
md5
b8e2689244404987a9e941904b19c6bc
sha1
6adc23cbc2d860eac6cb30890096fbe9c7c4ff7f
sha256
3d22de7d210ed1612b6bef88abdcb3976a602826922c11968d135cfe5c6e8b02
sha512
c2913cdac887b51cd8b6052dd1bb58f5b439e179f84de9ffe30666906d74a8718bffa1971fbbf68666c3ea90ceaa8cbcb8167c66327bea65472b6b2642ff453a
ripemd-160
b4e033b1efb770b0c63a577cb6399ec0d32979f1
Diameter
60975894
Circumference
191561420.63647
Area
2.9201572198047E+15
Volume
1.1870613139876E+23
Surface area
1.1680628879219E+16
Circumference
191561420.63647
Perimeter
121951788
Area
929514912274809
Diagonal
43116468.136312
Surface area
5577089473648854
Volume
2.8339001381144E+22
Space diagonal
52806673.222467
Perimeter
91463841
Area
4.0249176361322E+14
Altitude
26403336.611234
Surface area
4.0249176361322E+14
Volume
3.3397833414436E+21
Height
14372156.045437