91387906 is an even 8-digits composite number following 91387905
and preceding 91387907 . In scientific notation, it is written as 9.1387906 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 45151344 positive integers (up to 91387906) that are relatively prime to 91387906.
91387906 has 16 divisors, whose sum is 138720384
The reverse of 91387906 is 60978319
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
ninety-one million three hundred eighty-seven thousand nine hundred six
Scientific notation
9.1387906 × 10^7
Engineering notation
9.1387906 × 10^6
Prime Factorization
2 × 197 × 163 × 1423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91387906
Product of the distinct prime numbers
The prime factorization of 91387906 is 2 × 197 × 163 × 1423.
Since it has a total of 4 prime factors.
1 , 10 , 8 , 54 , 439 , 287 , 3401 , 1953 , 50208 , 3136 , 30112 , 76645 , 3029593 , 7353765 , 3399580 , 55388659 , 365547535 , 48705547 , 7332871286 , 3274628179
n×2
182775812
n×3
274163718
n×4
365551624
n×5
456939530
n÷2
45693953
n÷3
30462635.333333
n÷3
22846976.5
n÷5
18277581.2
n2
8351749363064836
n3
7.6324888572733E+23
n4
6.9751717423454E+31
n5
6.3744633952332E+39
2 √n
9559.7021920141
3 √n
450.4323515499
4 √n
97.773729559704
5 √n
39.100088938822
1 , 2 , 163 , 197 , 326 , 394 , 1423 , 2846 , 32111 , 64222 , 231949 , 280331 , 463898 , 560662 , 45693953 , 91387906
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
-91387905
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 91387906 can be divided by 16 positive divisors.
The sum of these divisors (counting 91387906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011100100111100000000010
3
Ternary
20100221222122021
4
Quaternary
11130213200002
5
Quinary
141343403111
6
Senary
13022432054
8
Octal
534474002
10
Decimal
91387906
12
Duodecimal
2673262a
16
Hexadecimal
5727802
20
Vigesimal
18b39f6
36
Base36
1iercy
md5
a00552b74b1b629a29d5ac03077ecbcd
sha1
a1100a8154d02d317f8b155691e57efc64ea23d9
sha256
05fb8c6a70f1ec586bf14daba02317fcc5f2850a6c11c0fad91f9a1d5b897d34
sha512
6b8c0b517b06829d6c33dd6ed3545ef55cc0f41acd875490d01343b46065a3f8d597ebe267f0bcb5842b6f7cea67f664d60b7a981254eb612a8dcb228f1c4566
ripemd-160
0859d5461d03767d9236cf9acd164f0949733b48
Diameter
182775812
Circumference
574207148.23311
Area
2.6237794443628E+16
Volume
3.1970894563488E+24
Surface area
1.0495117777451E+17
Circumference
574207148.23311
Perimeter
365551624
Area
8351749363064836
Diagonal
129242016.10208
Surface area
50110496178389016
Volume
7.6324888572733E+23
Space diagonal
158288496.38933
Perimeter
274163718
Area
3.6164135572273E+15
Altitude
79144248.194664
Surface area
3.6164135572273E+15
Volume
8.9949743805145E+22
Height
43080672.034026