20006989 is an odd 8-digits composite number following 20006988
and preceding 20006990 . In scientific notation, it is written as 2.0006989 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 19622400 positive integers (up to 20006989) that are relatively prime to 20006989.
20006989 has 8 divisors, whose sum is 20395512
The reverse of 20006989 is 98960002
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six thousand nine hundred eighty-nine
Scientific notation
2.0006989 × 10^7
Engineering notation
2.0006989 × 10^6
Prime Factorization
113 × 101 × 1753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20006989
Product of the distinct prime numbers
The prime factorization of 20006989 is 113 × 101 × 1753.
Since it has a total of 3 prime factors.
3 , 8 , 47 , 46 , 672 , 343 , 4 , 3673 , 88548 , 22426 , 822724 , 619979 , 8753016 , 7647794 , 55944846 , 3326867 , 396481965 , 587323003 , 5736668851 , 7199129482
n×2
40013978
n×3
60020967
n×4
80027956
n×5
100034945
n÷2
10003494.5
n÷3
6668996.3333333
n÷3
5001747.25
n÷5
4001397.8
n2
400279608846121
n3
8.0083897311086E+21
n4
1.60223765258E+29
n5
3.2055951090555E+36
2 √n
4472.9172807017
3 √n
271.47337641839
4 √n
66.879872014693
5 √n
28.856014442251
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
-20006988
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 20006989 can be divided by 8 positive divisors.
The sum of these divisors (counting 20006989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010100100001001101
3
Ternary
1101122110102121
4
Quaternary
1030110201031
5
Quinary
20110210424
6
Senary
1552452541
8
Octal
114244115
10
Decimal
20006989
12
Duodecimal
684a151
16
Hexadecimal
131484d
20
Vigesimal
650h99
36
Base36
bwthp
md5
3b22b1bf419ad4b96ea8d9cf3191efd0
sha1
38c39ef93728927c09ff47e424c4ea14e3a8cb08
sha256
c7ac39f7d7b0406600b4d203445eca0992bb434925e05c51d83be1e8461d3df1
sha512
1363bc0d2e2e5b22a58bc09f4c208d3ead7f16ffdf3f8cf250e5046fdd6d541f85c21beb89d6b826583d2ac7301b7cac5408fa4b34945e9a02501e3393ca8ae1
ripemd-160
9263be5f7c5d83d8563c1dd1a6624e4d7d062f93
Diameter
40013978
Circumference
125707619.3257
Area
1.2575154785328E+15
Volume
3.354546446178E+22
Surface area
5.0300619141311E+15
Circumference
125707619.3257
Perimeter
80027956
Area
400279608846121
Diagonal
28294155.186049
Surface area
2401677653076726
Volume
8.0083897311086E+21
Space diagonal
34653121.454472
Perimeter
60020967
Area
1.7332615493882E+14
Altitude
17326560.727236
Surface area
1.7332615493882E+14
Volume
9.4379778087527E+20
Height
9431385.0620164