30487988 is an even 8-digits composite number following 30487987
and preceding 30487989 . In scientific notation, it is written as 3.0487988 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 15243992 positive integers (up to 30487988) that are relatively prime to 30487988.
30487988 has 6 divisors, whose sum is 53353986
The reverse of 30487988 is 88978403
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty million four hundred eighty-seven thousand nine hundred eighty-eight
Scientific notation
3.0487988 × 10^7
Engineering notation
3.0487988 × 10^6
Prime Factorization
2 × 2 × 7621997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15243994
Product of the distinct prime numbers
The prime factorization of 30487988 is 2 × 2 × 7621997.
Since it has a total of 3 prime factors.
2 , 8 , 4 , 27 , 446 , 306 , 2311 , 9052 , 10686 , 72633 , 305082 , 765569 , 8566097 , 197117 , 57347561 , 78381874 , 977139579 , 238832116 , 6649379329 , 2540649987
n×2
60975976
n×3
91463964
n×4
121951952
n×5
152439940
n÷2
15243994
n÷3
10162662.666667
n÷3
7621997
n÷5
6097597.6
n2
929517412288144
n3
2.8339115711632E+22
n4
8.6400261974685E+29
n5
2.634170150281E+37
2 √n
5521.5928861154
3 √n
312.39896637858
4 √n
74.307421474005
5 √n
31.392489160381
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30487987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30487988 can be divided by 6 positive divisors.
The sum of these divisors (counting 30487988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110100010011010110110100
3
Ternary
2010100221122202
4
Quaternary
1310103112310
5
Quinary
30301103423
6
Senary
3005244032
8
Octal
164232664
10
Decimal
30487988
12
Duodecimal
a263618
16
Hexadecimal
1d135b4
20
Vigesimal
9aajj8
36
Base36
i5gok
md5
085fa79c925ece9739b9100479877e4b
sha1
728e9ce3172e5fae3a0175279c5d092a8459e4e7
sha256
b57708da111a7abee50a129d32cc2ad0d761defc9ec4f39629d422c168a7bcf7
sha512
5c437ec5596578e05fc17abedf88a58639e2c04238a2e93ee94bceb7e195f6783b1e1624d39eb6929bc2fa3284e259c0b193b976fa086f96f17955840cf47922
ripemd-160
700652ce8df4c83c22f4b66c679f649258e01ef0
Diameter
60975976
Circumference
191561678.24707
Area
2.9201650738282E+15
Volume
1.1870661030519E+23
Surface area
1.1680660295313E+16
Circumference
191561678.24707
Perimeter
121951952
Area
929517412288144
Diagonal
43116526.119068
Surface area
5577104473728864
Volume
2.8339115711632E+22
Space diagonal
52806744.23655
Perimeter
91463964
Area
4.0249284615075E+14
Altitude
26403372.118275
Surface area
4.0249284615075E+14
Volume
3.3397968154209E+21
Height
14372175.373023