91991625 is an odd 8-digits composite number following 91991624
and preceding 91991626 . In scientific notation, it is written as 9.1991625 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors.
There are 43008000 positive integers (up to 91991625) that are relatively prime to 91991625.
91991625 has 32 divisors, whose sum is 122522400
The reverse of 91991625 is 52619919
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
ninety-one million nine hundred ninety-one thousand six hundred twenty-five
Scientific notation
9.1991625 × 10^7
Engineering notation
9.1991625 × 10^6
Prime Factorization
5 × 33 × 5 × 5 × 29 × 769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3679665
Product of the distinct prime numbers
The prime factorization of 91991625 is 5 × 33 × 5 × 5 × 29 × 769.
Since it has a total of 6 prime factors.
5 , 5 , 96 , 79 , 427 , 300 , 6590 , 618 , 41828 , 91875 , 141766 , 860201 , 1773829 , 3569462 , 97383953 , 50768738 , 982526257 , 838804892 , 6148744386 , 8948259664
n×2
183983250
n×3
275974875
n×4
367966500
n×5
459958125
n÷2
45995812.5
n÷3
30663875
n÷3
22997906.25
n÷5
18398325
n2
8462459070140625
n3
7.7847536135823E+23
n4
7.1613213513805E+31
n5
6.5878158826069E+39
2 √n
9591.2264596349
3 √n
451.42204467391
4 √n
97.934807191493
5 √n
39.151612904205
1 , 5 , 25 , 29 , 33 , 125 , 145 , 165 , 725 , 769 , 825 , 957 , 3625 , 3845 , 4125 , 4785 , 19225 , 22301 , 23925 , 25377 , 96125 , 111505 , 119625 , 126885 , 557525 , 634425 , 735933 , 2787625 , 3172125 , 3679665 , 18398325 , 91991625
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91991624
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91991625 can be divided by 32 positive divisors.
The sum of these divisors (counting 91991625) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101011110111010111001001001
3
Ternary
20102002122210020
4
Quaternary
11132322321021
5
Quinary
142022213000
6
Senary
13043411053
8
Octal
536727111
10
Decimal
91991625
12
Duodecimal
26983a89
16
Hexadecimal
57bae49
20
Vigesimal
18eij15
36
Base36
1irp6x
md5
74690ef4dc840485d85b0efd751c521b
sha1
fb6d458d3a765b8b0d950a6621d70452e6b9ff76
sha256
79c580d23c5488b835e23355ade53bb52b4a28e6731986dc329b2f3f67fe787c
sha512
b3f590b15efc13f922216d292ad18af907fd591697096fb9f6c81b38ccb3ecff0afb038bc2c1aacbb8cd920f9b8e1cb3f23c4d98c95db2959a8a6c2bed750d03
ripemd-160
dc120c57a5fa3ff28bb8ecb47ff3028441c5279b
Diameter
183983250
Circumference
578000426.58357
Area
2.6585599246058E+16
Volume
3.2608699683249E+24
Surface area
1.0634239698423E+17
Circumference
578000426.58357
Perimeter
367966500
Area
8462459070140625
Diagonal
130095803.69974
Surface area
50774754420843750
Volume
7.7847536135823E+23
Space diagonal
159334168.37082
Perimeter
275974875
Area
3.6643522666139E+15
Altitude
79667084.185412
Surface area
3.6643522666139E+15
Volume
9.1744201167175E+22
Height
43365267.899913