91403721 is an odd 8-digits composite number following 91403720
and preceding 91403722 . In scientific notation, it is written as 9.1403721 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 60935652 positive integers (up to 91403721) that are relatively prime to 91403721.
91403721 has 8 divisors, whose sum is 123376544
The reverse of 91403721 is 12730419
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
ninety-one million four hundred three thousand seven hundred twenty-one
Scientific notation
9.1403721 × 10^7
Engineering notation
9.1403721 × 10^6
Prime Factorization
81 × 3 × 376147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
91403721
Product of the distinct prime numbers
The prime factorization of 91403721 is 81 × 3 × 376147.
Since it has a total of 3 prime factors.
8 , 3 , 83 , 33 , 756 , 173 , 4918 , 2398 , 67591 , 83970 , 751313 , 34547 , 7930564 , 8257682 , 90711952 , 50680938 , 886772940 , 952348313 , 2891217520 , 5870850860
n×2
182807442
n×3
274211163
n×4
365614884
n×5
457018605
n÷2
45701860.5
n÷3
30467907
n÷3
22850930.25
n÷5
18280744.2
n2
8354640212645841
n3
7.6364520305206E+23
n4
6.9800013082759E+31
n5
6.3799809216128E+39
2 √n
9560.5293263501
3 √n
450.45833302116
4 √n
97.777959307556
5 √n
39.101442126861
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91403720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91403721 can be divided by 8 positive divisors.
The sum of these divisors (counting 91403721) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011100101011010111001001
3
Ternary
20100222210100000
4
Quaternary
11130223113021
5
Quinary
141344404341
6
Senary
13023033213
8
Octal
534532711
10
Decimal
91403721
12
Duodecimal
2673b809
16
Hexadecimal
572b5c9
20
Vigesimal
18b5961
36
Base36
1if3k9
md5
9decbcd21ac61f971ead512f24cc9275
sha1
a67818d2be2ad69d702e38d3d2aecdedb0d6fad9
sha256
1e13fa85c333158d1eeb2cc406626b759da97ff71bbd65dceb1d71d59a504568
sha512
1504c3487a8b27981ba4ba590fdeceeb42c0ffe70c2a83cda76d6a2063db2e9ff50f01d1755b9c7c1ff47c9625b34802389f5d98f889c6bba8501ab16b5f6dd5
ripemd-160
393283b0af7e9f14086abd6734a2278cac14f084
Diameter
182807442
Circumference
574306516.80874
Area
2.6246876315434E+16
Volume
3.1987495464766E+24
Surface area
1.0498750526174E+17
Circumference
574306516.80874
Perimeter
365614884
Area
8354640212645841
Diagonal
129264381.88957
Surface area
50127841275875046
Volume
7.6364520305206E+23
Space diagonal
158315888.77285
Perimeter
274211163
Area
3.6176653318152E+15
Altitude
79157944.386425
Surface area
3.6176653318152E+15
Volume
8.9996450249782E+22
Height
43088127.296522