19943491 is an odd 8-digits composite number following 19943490
and preceding 19943492 . In scientific notation, it is written as 1.9943491 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 19737792 positive integers (up to 19943491) that are relatively prime to 19943491.
19943491 has 4 divisors, whose sum is 20149192
The reverse of 19943491 is 19434991
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million nine hundred forty-three thousand four hundred ninety-one
Scientific notation
1.9943491 × 10^7
Engineering notation
1.9943491 × 10^6
Prime Factorization
97 × 205603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19943491
Product of the distinct prime numbers
The prime factorization of 19943491 is 97 × 205603.
Since it has a total of 2 prime factors.
5 , 7 , 9 , 36 , 292 , 850 , 2589 , 4001 , 79729 , 92117 , 192754 , 37389 , 5088417 , 6544492 , 18622139 , 90253764 , 938812706 , 715834888 , 8122249560 , 625699232
n×2
39886982
n×3
59830473
n×4
79773964
n×5
99717455
n÷2
9971745.5
n÷3
6647830.3333333
n÷3
4985872.75
n÷5
3988698.2
n2
397742833267081
n3
7.9323806155765E+21
n4
1.5819936141533E+29
n5
3.1550475405923E+36
2 √n
4465.8135876904
3 √n
271.18587213177
4 √n
66.826743057629
5 √n
28.837674553341
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
-19943490
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 19943491 can be divided by 4 positive divisors.
The sum of these divisors (counting 19943491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100000101000001000011
3
Ternary
1101112020022211
4
Quaternary
1030011001003
5
Quinary
20101142431
6
Senary
1551242551
8
Octal
114050103
10
Decimal
19943491
12
Duodecimal
6819457
16
Hexadecimal
1305043
20
Vigesimal
64cieb
36
Base36
bvghv
md5
d1c470f5972ab13be2e772b9c369c0ad
sha1
00ac0a23100a714ba18ba5da963ae43d8ef55514
sha256
951d1bcd71ba3bdc860b5c5814165e86ed53277d045b96d02d0dbb75566543be
sha512
37a154ade2a70b605920e8164f66253e9e9b8a7d5fb56858d49c0f5266a4f250668469f7073999136d55467392b8fa18143f219328a4cd3e5af75d3cd3e56f05
ripemd-160
1a954ad251b1b49d421899e616b370a2e34a0a81
Diameter
39886982
Circumference
125308649.62507
Area
1.2495459630099E+15
Volume
3.3227078223164E+22
Surface area
4.9981838520394E+15
Circumference
125308649.62507
Perimeter
79773964
Area
397742833267081
Diagonal
28204355.453266
Surface area
2386456999602486
Volume
7.9323806155765E+21
Space diagonal
34543139.692293
Perimeter
59830473
Area
1.7222769889125E+14
Altitude
17271569.846146
Surface area
1.7222769889125E+14
Volume
9.3484002070448E+20
Height
9401451.8177553