91213612 is an even 8-digits composite number following 91213611
and preceding 91213613 . In scientific notation, it is written as 9.1213612 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 38903760 positive integers (up to 91213612) that are relatively prime to 91213612.
91213612 has 24 divisors, whose sum is 183303680
The reverse of 91213612 is 21631219
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
ninety-one million two hundred thirteen thousand six hundred twelve
Scientific notation
9.1213612 × 10^7
Engineering notation
9.1213612 × 10^6
Prime Factorization
2 × 2 × 7 × 211 × 15439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
45606806
Product of the distinct prime numbers
The prime factorization of 91213612 is 2 × 2 × 7 × 211 × 15439.
Since it has a total of 5 prime factors.
2 , 3 , 93 , 97 , 54 , 542 , 971 , 5213 , 22886 , 23626 , 19964 , 777118 , 968468 , 2022674 , 89997839 , 13966226 , 381974437 , 992302861 , 2490156167 , 6770150534
n×2
182427224
n×3
273640836
n×4
364854448
n×5
456068060
n÷2
45606806
n÷3
30404537.333333
n÷3
22803403
n÷5
18242722.4
n2
8319923014086544
n3
7.5889022967676E+23
n4
6.9221118960327E+31
n5
6.3139082870531E+39
2 √n
9550.5817623849
3 √n
450.14581611974
4 √n
97.727077938435
5 √n
39.085163296937
1 , 2 , 4 , 7 , 14 , 28 , 211 , 422 , 844 , 1477 , 2954 , 5908 , 15439 , 30878 , 61756 , 108073 , 216146 , 432292 , 3257629 , 6515258 , 13030516 , 22803403 , 45606806 , 91213612
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91213611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91213612 can be divided by 24 positive divisors.
The sum of these divisors (counting 91213612) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101011011111100111100101100
3
Ternary
20100122010112221
4
Quaternary
11123330330230
5
Quinary
141322313422
6
Senary
13015005124
8
Octal
533747454
10
Decimal
91213612
12
Duodecimal
266697a4
16
Hexadecimal
56fcf2c
20
Vigesimal
18a1e0c
36
Base36
1ib0vg
md5
68f62ba5082a9171236978246c2a13e5
sha1
78a265ea1f29fa764b2515bede147b4b1c19ed82
sha256
31e247561cce8c1b7cce07c62840a6d2abe07ebc7f2bd127b43cd27d57fe64ec
sha512
0e4de0186bafa7150b0c78c499500ab7f8f7a577df1f7024ff8fdb3f9f7b28aea8942e5304b3941940910bc809ef51d04e04f494c2620258db6fd7be56632f45
ripemd-160
b7631a640df6ce8fbfde6bdfaead00f370f2bc22
Diameter
182427224
Circumference
573112026.73318
Area
2.6137809019487E+16
Volume
3.1788319605781E+24
Surface area
1.0455123607795E+17
Circumference
573112026.73318
Perimeter
364854448
Area
8319923014086544
Diagonal
128995527.16344
Surface area
49919538084519264
Volume
7.5889022967676E+23
Space diagonal
157986610.32587
Perimeter
273640836
Area
3.6026323438649E+15
Altitude
78993305.162937
Surface area
3.6026323438649E+15
Volume
8.9436071263442E+22
Height
42998509.054479