20989916 is an even 8-digits composite number following 20989915
and preceding 20989917 . In scientific notation, it is written as 2.0989916 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 6 positive divisors.
There are 10494956 positive integers (up to 20989916) that are relatively prime to 20989916.
20989916 has 6 divisors, whose sum is 36732360
The reverse of 20989916 is 61998902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million nine hundred eighty-nine thousand nine hundred sixteen
Scientific notation
2.0989916 × 10^7
Engineering notation
2.0989916 × 10^6
Prime Factorization
2 × 2 × 5247479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10494958
Product of the distinct prime numbers
The prime factorization of 20989916 is 2 × 2 × 5247479.
Since it has a total of 3 prime factors.
9 , 6 , 6 , 21 , 665 , 628 , 3731 , 6378 , 33160 , 4875 , 966064 , 672210 , 8811306 , 5590502 , 8818172 , 74192291 , 396964799 , 37922729 , 9011678196 , 4565917563
n×2
41979832
n×3
62969748
n×4
83959664
n×5
104949580
n÷2
10494958
n÷3
6996638.6666667
n÷3
5247479
n÷5
4197983.2
n2
440576573687056
n3
9.2476652732591E+21
n4
1.9410771728183E+29
n5
4.0743046806973E+36
2 √n
4581.4753082386
3 √n
275.84825026397
4 √n
67.686596222876
5 √n
29.13413579243
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20989915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20989916 can be divided by 6 positive divisors.
The sum of these divisors (counting 20989916) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000000100011111011100
3
Ternary
1110111101202022
4
Quaternary
1100010133130
5
Quinary
20333134131
6
Senary
2025515312
8
Octal
120043734
10
Decimal
20989916
12
Duodecimal
7042b38
16
Hexadecimal
14047dc
20
Vigesimal
6b3efg
36
Base36
chvx8
md5
562b2279f633bcfa6243e173e52d64ce
sha1
278f35a2db9402575324fe6af778671fe15e478f
sha256
961ca8632df7d1da7dad531e1e17b32a047f18397654b29166ce095b5d5d687e
sha512
f81459cd127f00d3626f5ef82431d7d80dcbe3297d0edfdc3c83bac6cbf4c00abc6147207e3ba77538bca4177f2a7478e329dfd6308eff3821cfd5909007b527
ripemd-160
fa6a03ed476354bc43bdbab50883480531082cf8
Diameter
41979832
Circumference
131883531.81013
Area
1.384112127239E+15
Volume
3.8736529713771E+22
Surface area
5.5364485089561E+15
Circumference
131883531.81013
Perimeter
83959664
Area
440576573687056
Diagonal
29684223.880272
Surface area
2643459442122336
Volume
9.2476652732591E+21
Space diagonal
36355600.958603
Perimeter
62969748
Area
1.9077525256265E+14
Altitude
18177800.479301
Surface area
1.9077525256265E+14
Volume
1.0898478041441E+21
Height
9894741.293424