90409815 is an odd 8-digits composite number following 90409814
and preceding 90409816 . In scientific notation, it is written as 9.0409815 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 48218544 positive integers (up to 90409815) that are relatively prime to 90409815.
90409815 has 4 divisors, whose sum is 92418968
The reverse of 90409815 is 51890409
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
ninety million four hundred nine thousand eight hundred fifteen
Scientific notation
9.0409815 × 10^7
Engineering notation
9.0409815 × 10^6
Prime Factorization
45 × 2009107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90409815
Product of the distinct prime numbers
The prime factorization of 90409815 is 45 × 2009107.
Since it has a total of 2 prime factors.
1 , 7 , 42 , 4 , 825 , 163 , 8251 , 7935 , 3165 , 16794 , 915078 , 195528 , 1406682 , 3946671 , 54721324 , 27194987 , 954041294 , 866191099 , 5322129248 , 8677505563
n×2
180819630
n×3
271229445
n×4
361639260
n×5
452049075
n÷2
45204907.5
n÷3
30136605
n÷3
22602453.75
n÷5
18081963
n2
8173934648334225
n3
7.3900391937799E+23
n4
6.6813207635239E+31
n5
6.0405697418585E+39
2 √n
9508.4075953863
3 √n
448.81964737593
4 √n
97.511063963974
5 √n
39.016033557199
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
-90409814
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 90409815 can be divided by 4 positive divisors.
The sum of these divisors (counting 90409815) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011000111000101101010111
3
Ternary
20022010021221200
4
Quaternary
11120320231113
5
Quinary
141121103230
6
Senary
12545443543
8
Octal
530705527
10
Decimal
90409815
12
Duodecimal
263405b3
16
Hexadecimal
5638b57
20
Vigesimal
18514af
36
Base36
1htsnr
md5
afa24b8c8cf61a0be582fe839191019d
sha1
590d84aa4217076581107208f3ecae0dcf34bc94
sha256
ae6dfd084b5b14b23b76b975341d8d39b0aeebee386af76d5ed3c9ba01b73a97
sha512
ed29f653768d01a2ea6a520e0c34ae2a678c29f3f436663518e0cd1a069a88e6aa74c930f855e2ae2aebf167eac40c8b74964a8f953886a003cb1f8f822dfa9f
ripemd-160
d635d3f4924521b849605fe65a615bced6ff8210
Diameter
180819630
Circumference
568061621.23282
Area
2.567917304213E+16
Volume
3.0955323787893E+24
Surface area
1.0271669216852E+17
Circumference
568061621.23282
Perimeter
361639260
Area
8173934648334225
Diagonal
127858786.54464
Surface area
49043607890005350
Volume
7.3900391937799E+23
Space diagonal
156594393.0829
Perimeter
271229445
Area
3.5394175271656E+15
Altitude
78297196.541451
Surface area
3.5394175271656E+15
Volume
8.7092447119269E+22
Height
42619595.514881