20190207 is an odd 8-digits composite number following 20190206
and preceding 20190208 . In scientific notation, it is written as 2.0190207 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 12808800 positive integers (up to 20190207) that are relatively prime to 20190207.
20190207 has 16 divisors, whose sum is 28252160
The reverse of 20190207 is 70209102
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred ninety thousand two hundred seven
Scientific notation
2.0190207 × 10^7
Engineering notation
2.0190207 × 10^6
Prime Factorization
3 × 31 × 61 × 3559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20190207
Product of the distinct prime numbers
The prime factorization of 20190207 is 3 × 31 × 61 × 3559.
Since it has a total of 4 prime factors.
4 , 2 , 72 , 47 , 351 , 655 , 3092 , 6827 , 20207 , 53725 , 760987 , 677973 , 9651633 , 6481327 , 8891949 , 10003242 , 359674251 , 765147063 , 7910508734 , 516036060
n×2
40380414
n×3
60570621
n×4
80760828
n×5
100951035
n÷2
10095103.5
n÷3
6730069
n÷3
5047551.75
n÷5
4038041.4
n2
407644458702849
n3
8.2304260036135E+21
n4
1.6617400471114E+29
n5
3.3550875531369E+36
2 √n
4493.3514218231
3 √n
272.2995501424
4 √n
67.032465431484
5 √n
28.908672845769
1 , 3 , 31 , 61 , 93 , 183 , 1891 , 3559 , 5673 , 10677 , 110329 , 217099 , 330987 , 651297 , 6730069 , 20190207
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
-20190206
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 20190207 can be divided by 16 positive divisors.
The sum of these divisors (counting 20190207) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001001111111111
3
Ternary
1101222202202110
4
Quaternary
1031001033333
5
Quinary
20132041312
6
Senary
2000425103
8
Octal
115011777
10
Decimal
20190207
12
Duodecimal
6918193
16
Hexadecimal
13413ff
20
Vigesimal
663fa7
36
Base36
c0qv3
md5
63349706cccc837a34d68fc841e83837
sha1
512afe53735d1c542d67b7b5d2d7b0760390921c
sha256
d319c57db8d1b46f52b16a84ff8cb493af83587c2f65cacf246934ff2daa8323
sha512
1875c8c29a09b65e3e7898937eccb702be77bcb68ddd3cfa18db4400b516053ca239dfcb522dc209e00e96f6b2593438dd05ccb30ae8129ff8a0381414106a2a
ripemd-160
1c0be2f88875979ddda93493beb230de34c38c8c
Diameter
40380414
Circumference
126858811.97131
Area
1.2806528367375E+15
Volume
3.4475527825155E+22
Surface area
5.1226113469498E+15
Circumference
126858811.97131
Perimeter
80760828
Area
407644458702849
Diagonal
28553264.56652
Surface area
2445866752217094
Volume
8.2304260036135E+21
Space diagonal
34970464.339333
Perimeter
60570621
Area
1.7651522847431E+14
Altitude
17485232.169666
Surface area
1.7651522847431E+14
Volume
9.6996500653486E+20
Height
9517754.8555067