19998646 is an even 8-digits composite number following 19998645
and preceding 19998647 . In scientific notation, it is written as 1.9998646 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 9988440 positive integers (up to 19998646) that are relatively prime to 19998646.
19998646 has 8 divisors, whose sum is 30030624
The reverse of 19998646 is 64689991
Previous prime number is 1013
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
nineteen million nine hundred ninety-eight thousand six hundred forty-six
Scientific notation
1.9998646 × 10^7
Engineering notation
1.9998646 × 10^6
Prime Factorization
2 × 1013 × 9871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19998646
Product of the distinct prime numbers
The prime factorization of 19998646 is 2 × 1013 × 9871.
Since it has a total of 3 prime factors.
6 , 1 , 95 , 67 , 408 , 983 , 3854 , 5495 , 59037 , 92707 , 618336 , 947972 , 6445428 , 6546168 , 80101020 , 28147664 , 498629035 , 948995724 , 8124134065 , 4521391212
n×2
39997292
n×3
59995938
n×4
79994584
n×5
99993230
n÷2
9999323
n÷3
6666215.3333333
n÷3
4999661.5
n÷5
3999729.2
n2
399945841833316
n3
7.9983753099965E+21
n4
1.5995667639976E+29
n5
3.1989169466554E+36
2 √n
4471.9845706353
3 √n
271.4356359855
4 √n
66.87289862594
5 √n
28.85360742443
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
-19998645
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 19998646 can be divided by 8 positive divisors.
The sum of these divisors (counting 19998646) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010010011110110110
3
Ternary
1101122000222121
4
Quaternary
1030102132312
5
Quinary
20104424041
6
Senary
1552350154
8
Octal
114223666
10
Decimal
19998646
12
Duodecimal
684535a
16
Hexadecimal
13127b6
20
Vigesimal
64jgc6
36
Base36
bwn1y
md5
bfb6ea507e497652719cc518f33c3551
sha1
7aa750ea1d321d2465673bd716e9246762dca194
sha256
ee15359eec00eecec497447f5db21f71ecb08b12eb4bd2c93829dd1382149ab3
sha512
fe68aa58640a2e521cbfcda3da1d61f6694f7f2e7819359cd16492afe5bbe3f1403cac8cdec1c8b84ce88050aa87c98eb08dac1ca27050752156e036cab8be5d
ripemd-160
36f625e5733cdb8ba4203cfb21147b90d3fe9bc3
Diameter
39997292
Circumference
125655198.71069
Area
1.2564669185373E+15
Volume
3.3503516152719E+22
Surface area
5.0258676741493E+15
Circumference
125655198.71069
Perimeter
79994584
Area
399945841833316
Diagonal
28282356.402298
Surface area
2399675050999896
Volume
7.9983753099965E+21
Space diagonal
34638670.954584
Perimeter
59995938
Area
1.731816295828E+14
Altitude
17319335.477292
Surface area
1.731816295828E+14
Volume
9.4261757002893E+20
Height
9427452.1340995