91991417 is an odd 8-digits composite number following 91991416
and preceding 91991418 . In scientific notation, it is written as 9.1991417 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 78849780 positive integers (up to 91991417) that are relatively prime to 91991417.
91991417 has 4 divisors, whose sum is 105133056
The reverse of 91991417 is 71419919
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
ninety-one million nine hundred ninety-one thousand four hundred seventeen
Scientific notation
9.1991417 × 10^7
Engineering notation
9.1991417 × 10^6
Prime Factorization
7 × 13141631
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
91991417
Product of the distinct prime numbers
The prime factorization of 91991417 is 7 × 13141631.
Since it has a total of 2 prime factors.
1 , 3 , 14 , 54 , 145 , 755 , 3163 , 4895 , 30302 , 39669 , 277339 , 898241 , 9867756 , 3230830 , 54863747 , 19255331 , 887325417 , 180742898 , 3865457653 , 6605420293
n×2
183982834
n×3
275974251
n×4
367965668
n×5
459957085
n÷2
45995708.5
n÷3
30663805.666667
n÷3
22997854.25
n÷5
18398283.4
n2
8462420801667889
n3
7.7847008079571E+23
n4
7.1612565824501E+31
n5
6.5877414052017E+39
2 √n
9591.2156163857
3 √n
451.42170444056
4 √n
97.93475183195
5 √n
39.151595199239
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
-91991416
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 91991417 can be divided by 4 positive divisors.
The sum of these divisors (counting 91991417) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011110111010110101111001
3
Ternary
20102002122111112
4
Quaternary
11132322311321
5
Quinary
142022211132
6
Senary
13043410105
8
Octal
536726571
10
Decimal
91991417
12
Duodecimal
26983935
16
Hexadecimal
57bad79
20
Vigesimal
18eiiah
36
Base36
1irp15
md5
0e658aaf1f577228452309c58a7f7410
sha1
199dab759aeee602e94c9057088a121bd5556318
sha256
c7da7aeb2d5b9807746a7a0f8a15cb9763dc526fed391cabb9b3731e8520d71c
sha512
3f6fb4ad50f70f07bf3847108b24cddcc74088dac852ce3b769f0080c9fdb76b19e5d045443d5be101bf34987d0597b7676709cae51dd1d8e6da51f2b3da87f4
ripemd-160
d427a5a20305f7025fe542f1c73f477fd90e05b3
Diameter
183982834
Circumference
577999119.68103
Area
2.6585479022105E+16
Volume
3.2608478491563E+24
Surface area
1.0634191608842E+17
Circumference
577999119.68103
Perimeter
367965668
Area
8462420801667889
Diagonal
130095509.54332
Surface area
50774524810007334
Volume
7.7847008079571E+23
Space diagonal
159333808.10426
Perimeter
275974251
Area
3.6643356958791E+15
Altitude
79666904.052128
Surface area
3.6643356958791E+15
Volume
9.1743578846914E+22
Height
43365169.847773