913 is an odd 3-digits composite number following 912
and preceding 914 . In scientific notation, it is written as 9.13 × 10^2.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 820 positive integers (up to 913) that are relatively prime to 913.
913 has 4 divisors, whose sum is 1008
The reverse of 913 is 319
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 3
Sum of Digits 13
Digital Root 4
Name
nine hundred thirteen
Scientific notation
9.13 × 10^2
Engineering notation
9.13 × 10^0
Prime Factorization
11 × 83
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
913
Product of the distinct prime numbers
The prime factorization of 913 is 11 × 83.
Since it has a total of 2 prime factors.
3 , 6 , 34 , 99 , 272 , 520 , 3889 , 3082 , 35860 , 4371 , 345994 , 731944 , 4359013 , 5429417 , 71216462 , 25827638 , 654633528 , 742704479 , 3004036015 , 9973734574
n×2
1826
n×3
2739
n×4
3652
n×5
4565
n÷2
456.5
n÷3
304.33333333333
n÷3
228.25
n÷5
182.6
n2
833569
n3
761048497
n4
694837277761
n5
634386434595793
2 √n
30.215889859476
3 √n
9.7011583269719
4 √n
5.496898203485
5 √n
3.909256397014
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
-912
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 913 can be divided by 4 positive divisors.
The sum of these divisors (counting 913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110010001
3
Ternary
1020211
4
Quaternary
32101
5
Quinary
12123
6
Senary
4121
8
Octal
1621
10
Decimal
913
12
Duodecimal
641
16
Hexadecimal
391
20
Vigesimal
25d
36
Base36
pd
md5
8b5040a8a5baf3e0e67386c2e3a9b903
sha1
fa5b7e293127b3837c39f7fbd05598f32c8ce1c9
sha256
1bee34b6262a7777362f96e3dd5635764e820f97bab9772f492397774a38d74a
sha512
772c4d716cb4e2c26f8a9dcd6a5aea3742b607ec62484a609de96fcf2ede01d65007fa62783ce4feb79d16d02d5ba8f595f1ad081b0b4b43f72a3f9598236977
ripemd-160
4bafca3c8a481cea44d3a3a909e12bf178905837
Diameter
1826
Circumference
5736.548185455
Area
2618734.2466602
Volume
3187872489.601
Surface area
10474936.986641
Circumference
5736.548185455
Perimeter
3652
Area
833569
Diagonal
1291.1769824466
Surface area
5001414
Volume
761048497
Space diagonal
1581.3623873104
Perimeter
2739
Area
360945.9649036
Altitude
790.68119365519
Surface area
360945.9649036
Volume
89690425.506755
Height
430.39232748221