90091815 is an odd 8-digits composite number following 90091814
and preceding 90091816 . In scientific notation, it is written as 9.0091815 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 42960000 positive integers (up to 90091815) that are relatively prime to 90091815.
90091815 has 16 divisors, whose sum is 113224896
The reverse of 90091815 is 51819009
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
ninety million ninety-one thousand eight hundred fifteen
Scientific notation
9.0091815 × 10^7
Engineering notation
9.0091815 × 10^6
Prime Factorization
33 × 5 × 61 × 8951
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
90091815
Product of the distinct prime numbers
The prime factorization of 90091815 is 33 × 5 × 61 × 8951.
Since it has a total of 4 prime factors.
2 , 4 , 14 , 18 , 221 , 11 , 4763 , 4228 , 13550 , 10354 , 264886 , 731518 , 2084250 , 8123077 , 74431348 , 70652304 , 359956446 , 349968304 , 9000624978 , 3130909360
n×2
180183630
n×3
270275445
n×4
360367260
n×5
450459075
n÷2
45045907.5
n÷3
30030605
n÷3
22522953.75
n÷5
18018363
n2
8116535129994225
n3
7.3123338137244E+23
n4
6.587814251643E+31
n5
5.9350814281339E+39
2 √n
9491.6708223579
3 √n
448.29281552117
4 √n
97.42520629877
5 √n
38.988548507082
1 , 5 , 33 , 61 , 165 , 305 , 2013 , 8951 , 10065 , 44755 , 295383 , 546011 , 1476915 , 2730055 , 18018363 , 90091815
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90091814
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90091815 can be divided by 16 positive divisors.
The sum of these divisors (counting 90091815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010111101011000100100111
3
Ternary
20021112010201220
4
Quaternary
11113223010213
5
Quinary
141030414230
6
Senary
12534551423
8
Octal
527530447
10
Decimal
90091815
12
Duodecimal
26208573
16
Hexadecimal
55eb127
20
Vigesimal
18319af
36
Base36
1hmzaf
md5
dd8b7ea0b454732517221c365d4fa0b7
sha1
26c027512e6494ed02413a0f9d0764d7f436a9c1
sha256
bbbb8d67f0dab26f7e094db5e6a28a75c1f057d8810c808f0df10cc245347ae7
sha512
676cc3b8ee451b5764d779aad97889eedc3cb79aef973b3fd224d517f1fdbdd10ca67ebf4de34ef956214a3a080ed3cccd16f904f72c378f81ffd34126e2615c
ripemd-160
54fd7f3b046b7cda69c712badd23707fd03334f7
Diameter
180183630
Circumference
566063568.30514
Area
2.5498847136993E+16
Volume
3.0629832253057E+24
Surface area
1.0199538854797E+17
Circumference
566063568.30514
Perimeter
360367260
Area
8116535129994225
Diagonal
127409066.63181
Surface area
48699210779965350
Volume
7.3123338137244E+23
Space diagonal
156043600.9261
Perimeter
270275445
Area
3.5145628066419E+15
Altitude
78021800.463048
Surface area
3.5145628066419E+15
Volume
8.617668043307E+22
Height
42469688.877269