30486978 is an even 8-digits composite number following 30486977
and preceding 30486979 . In scientific notation, it is written as 3.0486978 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 9970272 positive integers (up to 30486978) that are relatively prime to 30486978.
30486978 has 8 divisors, whose sum is 45827772
The reverse of 30486978 is 87968403
Previous prime number is 477
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty million four hundred eighty-six thousand nine hundred seventy-eight
Scientific notation
3.0486978 × 10^7
Engineering notation
3.0486978 × 10^6
Prime Factorization
2 × 477 × 31957
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30486978
Product of the distinct prime numbers
The prime factorization of 30486978 is 2 × 477 × 31957.
Since it has a total of 3 prime factors.
5 , 1 , 71 , 44 , 155 , 896 , 7741 , 4198 , 90483 , 83659 , 661276 , 934089 , 6865504 , 7568634 , 41036469 , 37424956 , 752220095 , 671440850 , 8217643523 , 6826889907
n×2
60973956
n×3
91460934
n×4
121947912
n×5
152434890
n÷2
15243489
n÷3
10162326
n÷3
7621744.5
n÷5
6097395.6
n2
929455827572484
n3
2.8336299367174E+22
n4
8.6388813540845E+29
n5
2.6337338578658E+37
2 √n
5521.5014262427
3 √n
312.39551664356
4 √n
74.306806055991
5 √n
31.392281164798
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30486977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30486978 can be divided by 8 positive divisors.
The sum of these divisors (counting 30486978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100010011000111000010
3
Ternary
2010100220021100
4
Quaternary
1310103013002
5
Quinary
30301040403
6
Senary
3005235230
8
Octal
164230702
10
Decimal
30486978
12
Duodecimal
a262b16
16
Hexadecimal
1d131c2
20
Vigesimal
9aah8i
36
Base36
i5fwi
md5
6647f0972a84ffaa901d71d1fab2752b
sha1
06c7b53d1cc7c7e1e57e254b1f3b7c0c063c0886
sha256
c32e17cc3787e50199aa448827255f0c0c7e1b97bab94752b1de7c99c51582ff
sha512
26ac457921d856bb5f6bbbd9463a8a7a58bd1c74629624cdbdb7f4320387a2f0dae98924fa2fd3e355021bf4b7b62ef2257083b4e65e6ea7cfda997dd62623b7
ripemd-160
edce808590e380ebf406ffcfe4234e84e33f31cf
Diameter
60973956
Circumference
191555332.22991
Area
2.9199715997379E+15
Volume
1.1869481322911E+23
Surface area
1.1679886398952E+16
Circumference
191555332.22991
Perimeter
121947912
Area
929455827572484
Diagonal
43115097.76337
Surface area
5576734965434904
Volume
2.8336299367174E+22
Space diagonal
52804994.865235
Perimeter
91460934
Area
4.0246617918663E+14
Altitude
26402497.432617
Surface area
4.0246617918663E+14
Volume
3.3394649060435E+21
Height
14371699.254457