90878813 is an odd 8-digits composite number following 90878812
and preceding 90878814 . In scientific notation, it is written as 9.0878813 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 90215328 positive integers (up to 90878813) that are relatively prime to 90878813.
90878813 has 4 divisors, whose sum is 91542300
The reverse of 90878813 is 31887809
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
ninety million eight hundred seventy-eight thousand eight hundred thirteen
Scientific notation
9.0878813 × 10^7
Engineering notation
9.0878813 × 10^6
Prime Factorization
137 × 663349
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90878813
Product of the distinct prime numbers
The prime factorization of 90878813 is 137 × 663349.
Since it has a total of 2 prime factors.
6 , 6 , 87 , 55 , 344 , 232 , 2947 , 1389 , 23286 , 90807 , 985039 , 52495 , 743025 , 3754798 , 40099402 , 67185828 , 404167031 , 807668690 , 5950065423 , 4339174353
n×2
181757626
n×3
272636439
n×4
363515252
n×5
454394065
n÷2
45439406.5
n÷3
30292937.666667
n÷3
22719703.25
n÷5
18175762.6
n2
8258958652288969
n3
7.505643589361E+23
n4
6.8210398020219E+31
n5
6.198880006335E+39
2 √n
9533.0379732801
3 √n
449.59438841763
4 √n
97.637277580236
5 √n
39.056428707717
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
-90878812
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 90878813 can be divided by 4 positive divisors.
The sum of these divisors (counting 90878813) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011010101011001101011101
3
Ternary
20100000010021222
4
Quaternary
11122223031131
5
Quinary
141231110223
6
Senary
13003503125
8
Octal
532531535
10
Decimal
90878813
12
Duodecimal
26527aa5
16
Hexadecimal
56ab35d
20
Vigesimal
187jh0d
36
Base36
1i3ujh
md5
a7a0ff6222fa1db9a9852894164eba49
sha1
bb80e40e8fd991badc2509d411c57414b353cd57
sha256
c6dbbb8cadc8cb411e9abfa3a89958dc65b677f535f9db1e08b36864ccbcc649
sha512
208b5449fe61948588d3c45dcb1f2233df1f11ceb341feb0d9778111c2b0d95f44e4bae0dc388160073c940cec6895f219023470814143a7289c2161d758ab6c
ripemd-160
d83995182b6ba898f8764e682d30c8bc03e93c5b
Diameter
181757626
Circumference
571008422.57552
Area
2.5946283828333E+16
Volume
3.1439566347733E+24
Surface area
1.0378513531333E+17
Circumference
571008422.57552
Perimeter
363515252
Area
8258958652288969
Diagonal
128522049.87697
Surface area
49553751913733814
Volume
7.505643589361E+23
Space diagonal
157406721.44755
Perimeter
272636439
Area
3.5762340008438E+15
Altitude
78703360.723775
Surface area
3.5762340008438E+15
Volume
8.8454857986775E+22
Height
42840683.292323