19985946 is an even 8-digits composite number following 19985945
and preceding 19985947 . In scientific notation, it is written as 1.9985946 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 6650864 positive integers (up to 19985946) that are relatively prime to 19985946.
19985946 has 16 divisors, whose sum is 40038624
The reverse of 19985946 is 64958991
Previous prime number is 683
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
nineteen million nine hundred eighty-five thousand nine hundred forty-six
Scientific notation
1.9985946 × 10^7
Engineering notation
1.9985946 × 10^6
Prime Factorization
2 × 3 × 683 × 4877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19985946
Product of the distinct prime numbers
The prime factorization of 19985946 is 2 × 3 × 683 × 4877.
Since it has a total of 4 prime factors.
9 , 5 , 47 , 77 , 32 , 297 , 8285 , 4985 , 37490 , 69938 , 427406 , 988075 , 8305597 , 1471762 , 39275798 , 99279874 , 570387450 , 288284701 , 8686481821 , 3521828292
n×2
39971892
n×3
59957838
n×4
79943784
n×5
99929730
n÷2
9992973
n÷3
6661982
n÷3
4996486.5
n÷5
3997189.2
n2
399438037514916
n3
7.9831470481191E+21
n4
1.5955074581377E+29
n5
3.1887725900937E+36
2 √n
4470.5643938993
3 √n
271.37816605231
4 √n
66.862279305295
5 √n
28.849941836949
1 , 2 , 3 , 6 , 683 , 1366 , 2049 , 4098 , 4877 , 9754 , 14631 , 29262 , 3330991 , 6661982 , 9992973 , 19985946
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19985945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19985946 can be divided by 16 positive divisors.
The sum of these divisors (counting 19985946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111011000011010
3
Ternary
1101121101120020
4
Quaternary
1030033120122
5
Quinary
20104022241
6
Senary
1552211310
8
Octal
114173032
10
Decimal
19985946
12
Duodecimal
6839b36
16
Hexadecimal
130f61a
20
Vigesimal
64i4h6
36
Base36
bwd96
md5
802a5c805bfe25ab6a0e0bb4cac548ad
sha1
3a9c8b9ec2bd7da3d9af8731a376681e496ca31a
sha256
82e9726b06760a632df06226d466bb44f1165249bd7863fd58fbf43c7ff1f53f
sha512
b8c34bcec5956a2c82228fed0cf3a703d0abd2ea80731f0f1d15e33469075ba910d13c3ee62cdc8cb0eb0ba5366b476ee2a0f2b1cd7e07e3e89ec31b04fc782c
ripemd-160
2e99481d029e3c5b4e0f4be702fbcf223133c5d8
Diameter
39971892
Circumference
125575402.25728
Area
1.2548716042212E+15
Volume
3.3439728158531E+22
Surface area
5.0194864168847E+15
Circumference
125575402.25728
Perimeter
79943784
Area
399438037514916
Diagonal
28264395.890056
Surface area
2396628225089496
Volume
7.9831470481191E+21
Space diagonal
34616673.909328
Perimeter
59957838
Area
1.7296174386286E+14
Altitude
17308336.954664
Surface area
1.7296174386286E+14
Volume
9.4082290215573E+20
Height
9421465.2966854