90872789 is an odd 8-digits composite number following 90872788
and preceding 90872790 . In scientific notation, it is written as 9.0872789 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 77890956 positive integers (up to 90872789) that are relatively prime to 90872789.
90872789 has 4 divisors, whose sum is 103854624
The reverse of 90872789 is 98727809
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
ninety million eight hundred seventy-two thousand seven hundred eighty-nine
Scientific notation
9.0872789 × 10^7
Engineering notation
9.0872789 × 10^6
Prime Factorization
7 × 12981827
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90872789
Product of the distinct prime numbers
The prime factorization of 90872789 is 7 × 12981827.
Since it has a total of 2 prime factors.
6 , 2 , 8 , 29 , 665 , 92 , 6523 , 8063 , 5077 , 82973 , 767056 , 105086 , 5032187 , 4259291 , 30881649 , 40352612 , 288539685 , 873285543 , 1591659612 , 8491003288
n×2
181745578
n×3
272618367
n×4
363491156
n×5
454363945
n÷2
45436394.5
n÷3
30290929.666667
n÷3
22718197.25
n÷5
18174557.8
n2
8257863780638521
n3
7.5041511292871E+23
n4
6.8192314219582E+31
n5
6.1968257814977E+39
2 √n
9532.7220141993
3 √n
449.58445424871
4 √n
97.63565954199
5 √n
39.055910914499
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
-90872788
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 90872789 can be divided by 4 positive divisors.
The sum of these divisors (counting 90872789) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011010101001101111010101
3
Ternary
20022222211000212
4
Quaternary
11122221233111
5
Quinary
141230412124
6
Senary
13003415205
8
Octal
532515725
10
Decimal
90872789
12
Duodecimal
26524505
16
Hexadecimal
56a9bd5
20
Vigesimal
187j1j9
36
Base36
1i3pw5
md5
260106428643174a6070199c6d437cfe
sha1
28b88bb1d759666c2fbfe0469e0bffee8703306b
sha256
bf4c7d3b1fa01f90d4fa2e909d5b79aac3fab8674ac8260c6f61f679640b7d33
sha512
b2f3b996833761f3ddfa85f9c45404a241d3a84eea3825a1e21093659961641e00de6c42bb1f40179616c69564af0000f310edf27409b2773f068f49d43fe887
ripemd-160
425555ae8d9a87e1a830563f18cb4aca9fdcc338
Diameter
181745578
Circumference
570970572.66723
Area
2.5942844187599E+16
Volume
3.1433314745594E+24
Surface area
1.037713767504E+17
Circumference
570970572.66723
Perimeter
363491156
Area
8257863780638521
Diagonal
128513530.65447
Surface area
49547182683831126
Volume
7.5041511292871E+23
Space diagonal
157396287.57349
Perimeter
272618367
Area
3.5757599075122E+15
Altitude
78698143.786743
Surface area
3.5757599075122E+15
Volume
8.8437269176126E+22
Height
42837843.55149