20006990 is an even 8-digits composite number following 20006989
and preceding 20006991 . In scientific notation, it is written as 2.0006990 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 8002792 positive integers (up to 20006990) that are relatively prime to 20006990.
20006990 has 8 divisors, whose sum is 36012600
The reverse of 20006990 is 09960002
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million six thousand nine hundred ninety
Scientific notation
2.0006990 × 10^7
Engineering notation
2.0006990 × 10^6
Prime Factorization
2 × 5 × 2000699
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20006990
Product of the distinct prime numbers
The prime factorization of 20006990 is 2 × 5 × 2000699.
Since it has a total of 3 prime factors.
8 , 4 , 36 , 72 , 651 , 534 , 8254 , 4402 , 81465 , 14665 , 436916 , 669267 , 9012224 , 8480426 , 54932270 , 60276903 , 965430358 , 415988343 , 991923423 , 6613353770
n×2
40013980
n×3
60020970
n×4
80027960
n×5
100034950
n÷2
10003495
n÷3
6668996.6666667
n÷3
5001747.5
n÷5
4001398
n2
400279648860100
n3
8.0083909319475E+21
n4
1.6022379729156E+29
n5
3.2055959101744E+36
2 √n
4472.9173924856
3 √n
271.47338094136
4 √n
66.879872850399
5 √n
28.85601473071
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
-20006989
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 20006990 can be divided by 8 positive divisors.
The sum of these divisors (counting 20006990) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010100100001001110
3
Ternary
1101122110102122
4
Quaternary
1030110201032
5
Quinary
20110210430
6
Senary
1552452542
8
Octal
114244116
10
Decimal
20006990
12
Duodecimal
684a152
16
Hexadecimal
131484e
20
Vigesimal
650h9a
36
Base36
bwthq
md5
5334cb08e9a793d492c7ce030329dd68
sha1
b4b97958303bf10a08e4bc2cd03a44eeb47ad405
sha256
809c4e1f67641c56d98ecc10b14967068bbbe8194c8d2674e796e82c07a17dfa
sha512
4018f33236d95a1fc17524835c9c3ecb51a31e5467b1e2fd79814cd9ee7b557a244ccf123d62f9d19e8b3c109df6c9b558a6fd87b210ba37c220afe7837e0515
ripemd-160
6ee7434667b66802fc2f0ec7eb6a6d968e8d6b1d
Diameter
40013980
Circumference
125707625.60889
Area
1.2575156042404E+15
Volume
3.3545469491842E+22
Surface area
5.0300624169616E+15
Circumference
125707625.60889
Perimeter
80027960
Area
400279648860100
Diagonal
28294156.600263
Surface area
2401677893160600
Volume
8.0083909319475E+21
Space diagonal
34653123.186522
Perimeter
60020970
Area
1.7332617226538E+14
Altitude
17326561.593261
Surface area
1.7332617226538E+14
Volume
9.4379792239549E+20
Height
9431385.533421