28001839 is an odd 8-digits composite number following 28001838
and preceding 28001840 . In scientific notation, it is written as 2.8001839 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 24967296 positive integers (up to 28001839) that are relatively prime to 28001839.
28001839 has 8 divisors, whose sum is 31209840
The reverse of 28001839 is 93810082
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million one thousand eight hundred thirty-nine
Scientific notation
2.8001839 × 10^7
Engineering notation
2.8001839 × 10^6
Prime Factorization
17 × 19 × 86693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28001839
Product of the distinct prime numbers
The prime factorization of 28001839 is 17 × 19 × 86693.
Since it has a total of 3 prime factors.
1 , 3 , 91 , 1 , 954 , 160 , 6427 , 8819 , 55530 , 29030 , 987060 , 315716 , 8991606 , 5245874 , 66098344 , 21256587 , 40038692 , 626614616 , 7345773155 , 3251417149
n×2
56003678
n×3
84005517
n×4
112007356
n×5
140009195
n÷2
14000919.5
n÷3
9333946.3333333
n÷3
7000459.75
n÷5
5600367.8
n2
784102987381921
n3
2.1956325612088E+22
n4
6.1481749482125E+29
n5
1.7216020504368E+37
2 √n
5291.6763884425
3 √n
303.66554500288
4 √n
72.743909631271
5 √n
30.862941159121
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
-28001838
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 28001839 can be divided by 8 positive divisors.
The sum of these divisors (counting 28001839) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110100011000101111
3
Ternary
1221200122022011
4
Quaternary
1222310120233
5
Quinary
24132024324
6
Senary
2440102051
8
Octal
152643057
10
Decimal
28001839
12
Duodecimal
9464927
16
Hexadecimal
1ab462f
20
Vigesimal
8f04bj
36
Base36
go6cv
md5
c552ede8336da24e711731ca1f3f10d4
sha1
c92a1cb3bd945eeb57f49b67cf45a66f3b4ada4f
sha256
a8d0a86e01f8c71ea2f8fffea1ce75f3881382e757b532c5418c9def440e9c48
sha512
1ea7d613e310ce59018d361b6596ba64b9c6f09e3fee648563c59566a3779a00c5368a2c56f4f734c8b402bd431bc63e748dab4d10c85e468a5035f16b0d9e7c
ripemd-160
7433eec43ffa23172365ad4e256b887ff5a402d0
Diameter
56003678
Circumference
175940743.37881
Area
2.4633321848169E+15
Volume
9.1970441657013E+22
Surface area
9.8533287392674E+15
Circumference
175940743.37881
Perimeter
112007356
Area
784102987381921
Diagonal
39600580.485188
Surface area
4704617924291526
Volume
2.1956325612088E+22
Space diagonal
48500607.853364
Perimeter
84005517
Area
3.3952655312801E+14
Altitude
24250303.926682
Surface area
3.3952655312801E+14
Volume
2.5875777883745E+21
Height
13200193.495063