91991412 is an even 8-digits composite number following 91991411
and preceding 91991413 . In scientific notation, it is written as 9.1991412 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 30663792 positive integers (up to 91991412) that are relatively prime to 91991412.
91991412 has 12 divisors, whose sum is 178872260
The reverse of 91991412 is 21419919
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
ninety-one million nine hundred ninety-one thousand four hundred twelve
Scientific notation
9.1991412 × 10^7
Engineering notation
9.1991412 × 10^6
Prime Factorization
2 × 2 × 9 × 2555317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
45995706
Product of the distinct prime numbers
The prime factorization of 91991412 is 2 × 2 × 9 × 2555317.
Since it has a total of 4 prime factors.
1 , 2 , 62 , 28 , 118 , 633 , 4613 , 7159 , 98237 , 79964 , 232374 , 756660 , 1841411 , 2256663 , 22859370 , 50353599 , 871798996 , 925840532 , 3948470035 , 4966299514
n×2
183982824
n×3
275974236
n×4
367965648
n×5
459957060
n÷2
45995706
n÷3
30663804
n÷3
22997853
n÷5
18398282.4
n2
8462419881753744
n3
7.784699538594E+23
n4
7.1612550255101E+31
n5
6.5877396148877E+39
2 √n
9591.2153557305
3 √n
451.42169626187
4 √n
97.934750501191
5 √n
39.151594773639
1 , 2 , 4 , 9 , 18 , 36 , 2555317 , 5110634 , 10221268 , 22997853 , 45995706 , 91991412
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91991411
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91991412 can be divided by 12 positive divisors.
The sum of these divisors (counting 91991412) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101011110111010110101110100
3
Ternary
20102002122111100
4
Quaternary
11132322311310
5
Quinary
142022211122
6
Senary
13043410100
8
Octal
536726564
10
Decimal
91991412
12
Duodecimal
26983930
16
Hexadecimal
57bad74
20
Vigesimal
18eiiac
36
Base36
1irp10
md5
ad5f05c9b811bdf62c92c79fcc773b05
sha1
ee4c36b2a4b1982a4458b63c2194462e3878a012
sha256
edbb68e78d37a3b049fa8d461096eacdfeffbebc32fffe8bcb73a7c3ceed8761
sha512
f9db7c5b9e76ec86ccb1526a6db199917d5ac3e9410f350e44312f3cadf6ef682a27977b404f20421f25fb9ae35ebf136c7484f99ebf48cfdd49b66ae76030e8
ripemd-160
28dd18ce7b0a6416cb2659f6bdde2d8f8fb1cbfb
Diameter
183982824
Circumference
577999088.2651
Area
2.658547613211E+16
Volume
3.2608473174468E+24
Surface area
1.0634190452844E+17
Circumference
577999088.2651
Perimeter
367965648
Area
8462419881753744
Diagonal
130095502.47225
Surface area
50774519290522464
Volume
7.784699538594E+23
Space diagonal
159333799.444
Perimeter
275974236
Area
3.6643352975446E+15
Altitude
79666899.722001
Surface area
3.6643352975446E+15
Volume
9.1743563887327E+22
Height
43365167.49075