91043921 is an odd 8-digits composite number following 91043920
and preceding 91043922 . In scientific notation, it is written as 9.1043921 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 89796672 positive integers (up to 91043921) that are relatively prime to 91043921.
91043921 has 4 divisors, whose sum is 92291172
The reverse of 91043921 is 12934019
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
ninety-one million forty-three thousand nine hundred twenty-one
Scientific notation
9.1043921 × 10^7
Engineering notation
9.1043921 × 10^6
Prime Factorization
73 × 1247177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
91043921
Product of the distinct prime numbers
The prime factorization of 91043921 is 73 × 1247177.
Since it has a total of 2 prime factors.
9 , 10 , 9 , 84 , 653 , 215 , 2467 , 7620 , 52897 , 2619 , 318094 , 828010 , 7756231 , 8543668 , 85676903 , 5214040 , 7165240 , 154814338 , 7462018307 , 9739373878
n×2
182087842
n×3
273131763
n×4
364175684
n×5
455219605
n÷2
45521960.5
n÷3
30347973.666667
n÷3
22760980.25
n÷5
18208784.2
n2
8288995551054241
n3
7.5466265611953E+23
n4
6.8707447245397E+31
n5
6.2553953991216E+39
2 √n
9541.6938223777
3 √n
449.86649702266
4 √n
97.681594081882
5 √n
39.070609895748
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
-91043920
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 91043921 can be divided by 4 positive divisors.
The sum of these divisors (counting 91043921) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011011010011100001010001
3
Ternary
20100022111210002
4
Quaternary
11123103201101
5
Quinary
141301401141
6
Senary
13011215345
8
Octal
533234121
10
Decimal
91043921
12
Duodecimal
265a7555
16
Hexadecimal
56d3851
20
Vigesimal
18909g1
36
Base36
1i7dxt
md5
0998949f23efae3f3ee83f7172a184ba
sha1
083f7ce4fb739cc0d499bd9f7ef9eba2c622f976
sha256
7683b6b62d1a678b66ac4be605507f752fa06490a87d59fd1bf001007f99533b
sha512
4c5ab586bf0c516112f6790fae3228a5cab664c82fdd309512a53368c63efccd2670726f2be50a9b333cc8e5780cfe64328d0001aa074abf42889ef928dba6ce
ripemd-160
c1420b2f3f316c3f5d8b1b88fc6e4b391e2d31c1
Diameter
182087842
Circumference
572045826.73522
Area
2.604064752883E+16
Volume
3.1611235418716E+24
Surface area
1.0416259011532E+17
Circumference
572045826.73522
Perimeter
364175684
Area
8288995551054241
Diagonal
128755547.84982
Surface area
49733973306325446
Volume
7.5466265611953E+23
Space diagonal
157692696.89229
Perimeter
273131763
Area
3.5892403595346E+15
Altitude
78846348.446144
Surface area
3.5892403595346E+15
Volume
8.8937846941729E+22
Height
42918515.949942