19997646 is an even 8-digits composite number following 19997645
and preceding 19997647 . In scientific notation, it is written as 1.9997646 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 6397440 positive integers (up to 19997646) that are relatively prime to 19997646.
19997646 has 32 divisors, whose sum is 41623200
The reverse of 19997646 is 64679991
Previous prime number is 281
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
nineteen million nine hundred ninety-seven thousand six hundred forty-six
Scientific notation
1.9997646 × 10^7
Engineering notation
1.9997646 × 10^6
Prime Factorization
2 × 3 × 29 × 281 × 409
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19997646
Product of the distinct prime numbers
The prime factorization of 19997646 is 2 × 3 × 29 × 281 × 409.
Since it has a total of 5 prime factors.
7 , 9 , 75 , 21 , 624 , 889 , 9211 , 8876 , 56995 , 16569 , 2544 , 353316 , 2997771 , 3368412 , 91240489 , 8914968 , 333980082 , 227322712 , 4112029790 , 2891143219
n×2
39995292
n×3
59992938
n×4
79990584
n×5
99988230
n÷2
9998823
n÷3
6665882
n÷3
4999411.5
n÷5
3999529.2
n2
399905845541316
n3
7.9971755324659E+21
n4
1.5992468529811E+29
n5
3.1981172432531E+36
2 √n
4471.8727620539
3 √n
271.43111167653
4 √n
66.872062642436
5 √n
28.853318863048
1 , 2 , 3 , 6 , 29 , 58 , 87 , 174 , 281 , 409 , 562 , 818 , 843 , 1227 , 1686 , 2454 , 8149 , 11861 , 16298 , 23722 , 24447 , 35583 , 48894 , 71166 , 114929 , 229858 , 344787 , 689574 , 3332941 , 6665882 , 9998823 , 19997646
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19997645
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997646 can be divided by 32 positive divisors.
The sum of these divisors (counting 19997646) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100010010001111001110
3
Ternary
1101121222121120
4
Quaternary
1030102033032
5
Quinary
20104411041
6
Senary
1552341410
8
Octal
114221716
10
Decimal
19997646
12
Duodecimal
6844866
16
Hexadecimal
13123ce
20
Vigesimal
64je26
36
Base36
bwma6
md5
37c28109f39cad6f8ec86378978a817b
sha1
62491f4f25cd2c06eca7e65e0221c7992b6e8312
sha256
fd4cadeaf8bbb8c5d894dd83ba95ba343f69b660bcfc68acfb7166eba9ef3fad
sha512
cab055024d816d122e3f6ca2536042d96593672dc651c20ae37422f3cc8270b0e1396e20535c0d9083d03aadd720ad976ff7f00c457412383086148b8a1f1ba5
ripemd-160
b8571996a2debc4350daa6d2c7cb39e7ac70f3d2
Diameter
39995292
Circumference
125648915.52538
Area
1.2563412664802E+15
Volume
3.3498490536351E+22
Surface area
5.0253650659209E+15
Circumference
125648915.52538
Perimeter
79990584
Area
399905845541316
Diagonal
28280942.188736
Surface area
2399435073247896
Volume
7.9971755324659E+21
Space diagonal
34636938.903777
Perimeter
59992938
Area
1.7316431068034E+14
Altitude
17318469.451888
Surface area
1.7316431068034E+14
Volume
9.4247617489096E+20
Height
9426980.7295787