19961491 is an odd 8-digits composite number following 19961490
and preceding 19961492 . In scientific notation, it is written as 1.9961491 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 18033840 positive integers (up to 19961491) that are relatively prime to 19961491.
19961491 has 8 divisors, whose sum is 20252000
The reverse of 19961491 is 19416991
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million nine hundred sixty-one thousand four hundred ninety-one
Scientific notation
1.9961491 × 10^7
Engineering notation
1.9961491 × 10^6
Prime Factorization
121 × 199 × 829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19961491
Product of the distinct prime numbers
The prime factorization of 19961491 is 121 × 199 × 829.
Since it has a total of 3 prime factors.
2 , 3 , 86 , 8 , 729 , 632 , 4317 , 6836 , 22164 , 73193 , 584913 , 433929 , 2025171 , 7751746 , 77086658 , 22800750 , 397674211 , 689629862 , 841234055 , 4997050642
n×2
39922982
n×3
59884473
n×4
79845964
n×5
99807455
n÷2
9980745.5
n÷3
6653830.3333333
n÷3
4990372.75
n÷5
3992298.2
n2
398461122943081
n3
7.9538781194782E+21
n4
1.5877126649706E+29
n5
3.1693112072397E+36
2 √n
4467.8284434387
3 √n
271.26743387843
4 √n
66.841816577938
5 √n
28.842878164342
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
-19961490
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 19961491 can be divided by 8 positive divisors.
The sum of these divisors (counting 19961491) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001001011010010011
3
Ternary
1101120011000111
4
Quaternary
1030021122103
5
Quinary
20102231431
6
Senary
1551502151
8
Octal
114113223
10
Decimal
19961491
12
Duodecimal
6827957
16
Hexadecimal
1309693
20
Vigesimal
64f3eb
36
Base36
bvudv
md5
4c2cd4a61c076a23f9bc5bcefac44492
sha1
4e957bc7a1f994fc6fdb13dc665da8abcfaf5795
sha256
fb5f16c672ee6f694c8c55d3f0242b4089c9f5e89ebafefc9920e4548a5d0393
sha512
d98feecf837d30223a8c221e6d2f53a2db7279e2ba40c56ef4d5c0fbfcaadd8693f10b3804e8dda90dbca094439d5819f6b6eac14bb007bd496adc543d8e600c
ripemd-160
45c29ac14caa2cdc2583df7aa124930edb3a7916
Diameter
39922982
Circumference
125421746.9606
Area
1.2518025365791E+15
Volume
3.3317126756935E+22
Surface area
5.0072101463165E+15
Circumference
125421746.9606
Perimeter
79845964
Area
398461122943081
Diagonal
28229811.297388
Surface area
2390766737658486
Volume
7.9538781194782E+21
Space diagonal
34574316.606829
Perimeter
59884473
Area
1.7253872744459E+14
Altitude
17287158.303414
Surface area
1.7253872744459E+14
Volume
9.3737352583572E+20
Height
9409937.0991295