28998747 is an odd 8-digits composite number following 28998746
and preceding 28998748 . In scientific notation, it is written as 2.8998747 × 10^7.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 19332492 positive integers (up to 28998747) that are relatively prime to 28998747.
28998747 has 4 divisors, whose sum is 32220840
The reverse of 28998747 is 74789982
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
twenty-eight million nine hundred ninety-eight thousand seven hundred forty-seven
Scientific notation
2.8998747 × 10^7
Engineering notation
2.8998747 × 10^6
Prime Factorization
9 × 3222083
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28998747
Product of the distinct prime numbers
The prime factorization of 28998747 is 9 × 3222083.
Since it has a total of 2 prime factors.
3 , 2 , 50 , 23 , 68 , 35 , 6346 , 3322 , 90358 , 29395 , 842448 , 768661 , 886962 , 3094965 , 35929357 , 82928611 , 276030475 , 140167239 , 7313146663 , 6234233363
n×2
57997494
n×3
86996241
n×4
115994988
n×5
144993735
n÷2
14499373.5
n÷3
9666249
n÷3
7249686.75
n÷5
5799749.4
n2
840927327570009
n3
2.4385838817589E+22
n4
7.0715877025404E+29
n5
2.0506718267428E+37
2 √n
5385.0484677485
3 √n
307.22725766235
4 √n
73.38288947533
5 √n
31.079630477305
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28998746
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28998747 can be divided by 4 positive divisors.
The sum of these divisors (counting 28998747) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110100111110001011011
3
Ternary
2000120021210200
4
Quaternary
1232213301123
5
Quinary
24410424442
6
Senary
2513313243
8
Octal
156476133
10
Decimal
28998747
12
Duodecimal
9865823
16
Hexadecimal
1ba7c5b
20
Vigesimal
914gh7
36
Base36
h9jkr
md5
fa3c56cdbf1b5c3c43c84591b76ce624
sha1
1e31ea10628d35a30ee8d296ed0cb6476bc2d44f
sha256
2bd4c43e7beea125661267c2ae75d97a68feb99b4ccaa3f2745b5e616576bf2f
sha512
58e92d9abb90adf1fc1161b19951a2b271790d85d5a9233b934ba01392eb5f10f74ee74da142b50d5a2b07b0e413194bb45aaef8a6041f14eba68ac32b9582d1
ripemd-160
aa96332ab3b86c26fded072e44b9097f8bc58916
Diameter
57997494
Circumference
182204501.07702
Area
2.6418511144968E+15
Volume
1.0214716277462E+23
Surface area
1.0567404457987E+16
Circumference
182204501.07702
Perimeter
115994988
Area
840927327570009
Diagonal
41010421.299226
Surface area
5045563965420054
Volume
2.4385838817589E+22
Space diagonal
50227303.159836
Perimeter
86996241
Area
3.6413221420609E+14
Altitude
25113651.579918
Surface area
3.6413221420609E+14
Volume
2.8738986654732E+21
Height
13670140.433075