28006951 is an odd 8-digits composite number following 28006950
and preceding 28006952 . In scientific notation, it is written as 2.8006951 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 24005952 positive integers (up to 28006951) that are relatively prime to 28006951.
28006951 has 4 divisors, whose sum is 32007952
The reverse of 28006951 is 15960082
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million six thousand nine hundred fifty-one
Scientific notation
2.8006951 × 10^7
Engineering notation
2.8006951 × 10^6
Prime Factorization
7 × 4000993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28006951
Product of the distinct prime numbers
The prime factorization of 28006951 is 7 × 4000993.
Since it has a total of 2 prime factors.
2 , 8 , 16 , 33 , 415 , 975 , 926 , 1565 , 27770 , 36204 , 339130 , 123022 , 6413826 , 772427 , 94626573 , 33515958 , 425849294 , 47684947 , 2825049571 , 9847053742
n×2
56013902
n×3
84020853
n×4
112027804
n×5
140034755
n÷2
14003475.5
n÷3
9335650.3333333
n÷3
7001737.75
n÷5
5601390.2
n2
784389304316401
n3
2.1968352810914E+22
n4
6.1526658072597E+29
n5
1.723174097833E+37
2 √n
5292.1593891341
3 √n
303.68402288227
4 √n
72.747229425828
5 √n
30.864067941082
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
-28006950
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 28006951 can be divided by 4 positive divisors.
The sum of these divisors (counting 28006951) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110101101000100111
3
Ternary
1221200220022111
4
Quaternary
1222311220213
5
Quinary
24132210301
6
Senary
2440141451
8
Octal
152655047
10
Decimal
28006951
12
Duodecimal
9467887
16
Hexadecimal
1ab5a27
20
Vigesimal
8f0h7b
36
Base36
goaav
md5
04fc07a7978371dde30578a99f81d512
sha1
5317672fc4484c6a9de51738aa2b61de67332e1c
sha256
372ceb7376236996c898485a54d66d0c07b4874a8cec96978eb565fae1168073
sha512
9768412e7813c7abd3f4ea17394c85bf5964db0bf1816ad1d52b423a676ab88b6d642c80563db8e14ce5b921414c75b0d932b4a18d92976659d256d591849873
ripemd-160
0ec97c397ca80ee1b5c96e5dc5930a6da31aa970
Diameter
56013902
Circumference
175972863.0221
Area
2.4642316759948E+15
Volume
9.2020821069646E+22
Surface area
9.8569267039793E+15
Circumference
175972863.0221
Perimeter
112027804
Area
784389304316401
Diagonal
39607809.944919
Surface area
4706335825898406
Volume
2.1968352810914E+22
Space diagonal
48509462.097092
Perimeter
84020853
Area
3.396505319974E+14
Altitude
24254731.048546
Surface area
3.396505319974E+14
Volume
2.5889952073493E+21
Height
13202603.314973