20989964 is an even 8-digits composite number following 20989963
and preceding 20989965 . In scientific notation, it is written as 2.0989964 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 10494980 positive integers (up to 20989964) that are relatively prime to 20989964.
20989964 has 6 divisors, whose sum is 36732444
The reverse of 20989964 is 46998902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million nine hundred eighty-nine thousand nine hundred sixty-four
Scientific notation
2.0989964 × 10^7
Engineering notation
2.0989964 × 10^6
Prime Factorization
2 × 2 × 5247491
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10494982
Product of the distinct prime numbers
The prime factorization of 20989964 is 2 × 2 × 5247491.
Since it has a total of 3 prime factors.
6 , 3 , 95 , 31 , 456 , 293 , 2901 , 4033 , 77904 , 72661 , 126239 , 957448 , 8370342 , 9940266 , 63097230 , 72651860 , 33488843 , 808861628 , 184856471 , 3695950042
n×2
41979928
n×3
62969892
n×4
83959856
n×5
104949820
n÷2
10494982
n÷3
6996654.6666667
n÷3
5247491
n÷5
4197992.8
n2
440578588721296
n3
9.2477287164308E+21
n4
1.9410949283965E+29
n5
4.0743512667625E+36
2 √n
4581.4805467229
3 √n
275.84846053488
4 √n
67.686634919479
5 √n
29.134149117278
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
-20989963
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 20989964 can be divided by 6 positive divisors.
The sum of these divisors (counting 20989964) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000000100100000001100
3
Ternary
1110111101211002
4
Quaternary
1100010200030
5
Quinary
20333134324
6
Senary
2025515432
8
Octal
120044014
10
Decimal
20989964
12
Duodecimal
7042b78
16
Hexadecimal
140480c
20
Vigesimal
6b3ei4
36
Base36
chvyk
md5
e980f16523c7d56165b951e2f55627ac
sha1
ed6485957eac2c3f71ab66efe47dfd4dd72aeedd
sha256
77e5a0f34859fdb374b29e21eab20126123a42ca66a85add4fb6ca83e0031af6
sha512
945e66e8c574ed07cabd22da30605a95254c62ce2f77e99565c59628ca9af336abd6127b57dcb6be2903a9403a0fc0d0eb947c1cd990f8be127414f21c017e33
ripemd-160
e1623a61ea150ef577b8cfeeaa38561a64461e24
Diameter
41979928
Circumference
131883833.40303
Area
1.3841184576558E+15
Volume
3.8736795463907E+22
Surface area
5.5364738306231E+15
Circumference
131883833.40303
Perimeter
83959856
Area
440578588721296
Diagonal
29684291.762523
Surface area
2643471532327776
Volume
9.2477287164308E+21
Space diagonal
36355684.097042
Perimeter
62969892
Area
1.9077612509807E+14
Altitude
18177842.048521
Surface area
1.9077612509807E+14
Volume
1.0898552809936E+21
Height
9894763.920841