91809969 is an odd 8-digits composite number following 91809968
and preceding 91809970 . In scientific notation, it is written as 9.1809969 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 58861376 positive integers (up to 91809969) that are relatively prime to 91809969.
91809969 has 16 divisors, whose sum is 127137600
The reverse of 91809969 is 96990819
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
ninety-one million eight hundred nine thousand nine hundred sixty-nine
Scientific notation
9.1809969 × 10^7
Engineering notation
9.1809969 × 10^6
Prime Factorization
3 × 29 × 269 × 3923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91809969
Product of the distinct prime numbers
The prime factorization of 91809969 is 3 × 29 × 269 × 3923.
Since it has a total of 4 prime factors.
3 , 10 , 78 , 100 , 325 , 566 , 7513 , 3121 , 84978 , 28959 , 254443 , 984502 , 758170 , 5243573 , 59881073 , 24758157 , 685057163 , 476130074 , 3524365120 , 1189131897
n×2
183619938
n×3
275429907
n×4
367239876
n×5
459049845
n÷2
45904984.5
n÷3
30603323
n÷3
22952492.25
n÷5
18361993.8
n2
8429070407780961
n3
7.7387269283719E+23
n4
7.1049227939329E+31
n5
6.5230274145837E+39
2 √n
9581.7518753097
3 √n
451.1247076075
4 √n
97.886423345169
5 √n
39.136138126389
1 , 3 , 29 , 87 , 269 , 807 , 3923 , 7801 , 11769 , 23403 , 113767 , 341301 , 1055287 , 3165861 , 30603323 , 91809969
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
-91809968
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 91809969 can be divided by 16 positive divisors.
The sum of these divisors (counting 91809969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110001110100010110001
3
Ternary
20101202102121020
4
Quaternary
11132032202301
5
Quinary
142000404334
6
Senary
13035450053
8
Octal
536164261
10
Decimal
91809969
12
Duodecimal
268b6929
16
Hexadecimal
578e8b1
20
Vigesimal
18dg4i9
36
Base36
1int0x
md5
d58ecf279c90f74e596d7a9318441405
sha1
d8968d313ea794fed71fe145d94a25052a9e41c5
sha256
10284febdfb3806e5c9d3311d624f4202f9c41d68bc0673c99b03e95dab53c5d
sha512
4942f625b4aa5ecbe15331c381cd96dfeee1ca9a72b6478e6cb6ef06c2514048fee0e79b25edc6704cbb49a3fbb241410d028f1953ed1e9cd5e6ecb88549dfc3
ripemd-160
4a061de8707206d82d499cc594e47f33041fc636
Diameter
183619938
Circumference
576859048.27341
Area
2.6480705669676E+16
Volume
3.2415903555081E+24
Surface area
1.059228226787E+17
Circumference
576859048.27341
Perimeter
367239876
Area
8429070407780961
Diagonal
129838903.32085
Surface area
50574422446685766
Volume
7.7387269283719E+23
Space diagonal
159019530.94932
Perimeter
275429907
Area
3.649894551713E+15
Altitude
79509765.474662
Surface area
3.649894551713E+15
Volume
9.1201771480045E+22
Height
43279634.440284