19681531 is an odd 8-digits prime number following 19681530
and preceding 19681532 . In scientific notation, it is written as 1.9681531 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 19681530 positive integers (up to 19681531) that are relatively prime to 19681531.
19681531 has 2 divisors, whose sum is 19681532
The reverse of 19681531 is 13518691
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million six hundred eighty-one thousand five hundred thirty-one
Scientific notation
1.9681531 × 10^7
Engineering notation
1.9681531 × 10^6
Prime Factorization
19681531
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19681531
Product of the distinct prime numbers
The prime factorization of 19681531 is 19681531.
Since it has a total of 1 prime factors.
2 , 9 , 61 , 77 , 560 , 264 , 9533 , 2711 , 3836 , 87337 , 735483 , 639281 , 3650801 , 8692710 , 88496633 , 3720653 , 520027392 , 139494385 , 8811014884 , 1206348323
n×2
39363062
n×3
59044593
n×4
78726124
n×5
98407655
n÷2
9840765.5
n÷3
6560510.3333333
n÷3
4920382.75
n÷5
3936306.2
n2
387362662503961
n3
7.6238902503142E+21
n4
1.5004983230216E+29
n5
2.9532104259997E+36
2 √n
4436.3871562342
3 √n
269.99328286901
4 √n
66.606209592156
5 √n
28.761516134945
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19681532
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9840766
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4436.3872689385
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998983819
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19681531 can be divided by 2 positive divisors.
The sum of these divisors (counting 19681531) is 19681532, the average is 9840766.
Base
System
Value
2
Binary
1001011000101000011111011
3
Ternary
1101000220222121
4
Quaternary
1023011003323
5
Quinary
20014302111
6
Senary
1541502111
8
Octal
113050373
10
Decimal
19681531
12
Duodecimal
6711937
16
Hexadecimal
12c50fb
20
Vigesimal
6303gb
36
Base36
bpud7
md5
1b4eb2d5def57c33fb9edf7ef2cdeee3
sha1
460def96c3913c2c100de85d7718196f6f430ed2
sha256
7b4c50211fb15f52ff4f335a1cc1c09e05ccaf30b8ad0ea683725191d7eca10c
sha512
0aafe594ffe36d2937224d6f6cbbc756fc759fcee5540991493dee70ceb8860b3204f86c2c1d5344f72bdee6a5805f74756a6447e39b73c39694acd72ce78d5b
ripemd-160
7ddd00e20ea50a72d3be5bcda3c85d28b8874977
Diameter
39363062
Circumference
123662706.402
Area
1.2169356947974E+15
Volume
3.1934876802883E+22
Surface area
4.8677427791897E+15
Circumference
123662706.402
Perimeter
78726124
Area
387362662503961
Diagonal
27833888.068467
Surface area
2324175975023766
Volume
7.6238902503142E+21
Space diagonal
34089411.662742
Perimeter
59044593
Area
1.67732953103E+14
Altitude
17044705.831371
Surface area
1.67732953103E+14
Volume
8.984840825032E+20
Height
9277962.6894888