20989962 is an even 8-digits composite number following 20989961
and preceding 20989963 . In scientific notation, it is written as 2.0989962 × 10^7.
The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors.
There are 5997024 positive integers (up to 20989962) that are relatively prime to 20989962.
20989962 has 32 divisors, whose sum is 53308800
The reverse of 20989962 is 26998902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million nine hundred eighty-nine thousand nine hundred sixty-two
Scientific notation
2.0989962 × 10^7
Engineering notation
2.0989962 × 10^6
Prime Factorization
2 × 3 × 7 × 3 × 3 × 55529
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2332218
Product of the distinct prime numbers
The prime factorization of 20989962 is 2 × 3 × 7 × 3 × 3 × 55529.
Since it has a total of 6 prime factors.
2 , 2 , 93 , 29 , 130 , 81 , 144 , 856 , 72161 , 84043 , 293853 , 23445 , 3369950 , 8809884 , 84448983 , 14317628 , 284395709 , 922543619 , 2552733214 , 5091679581
n×2
41979924
n×3
62969886
n×4
83959848
n×5
104949810
n÷2
10494981
n÷3
6996654
n÷3
5247490.5
n÷5
4197992.4
n2
440578504761444
n3
9.2477260729595E+21
n4
1.9410941885783E+29
n5
4.0743493256679E+36
2 √n
4581.4803284528
3 √n
275.8484517736
4 √n
67.686633307122
5 √n
29.134148562077
1 , 2 , 3 , 6 , 7 , 9 , 14 , 18 , 21 , 27 , 42 , 54 , 63 , 126 , 189 , 378 , 55529 , 111058 , 166587 , 333174 , 388703 , 499761 , 777406 , 999522 , 1166109 , 1499283 , 2332218 , 2998566 , 3498327 , 6996654 , 10494981 , 20989962
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20989961
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20989962 can be divided by 32 positive divisors.
The sum of these divisors (counting 20989962) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000100100000001010
3
Ternary
1110111101211000
4
Quaternary
1100010200022
5
Quinary
20333134322
6
Senary
2025515430
8
Octal
120044012
10
Decimal
20989962
12
Duodecimal
7042b76
16
Hexadecimal
140480a
20
Vigesimal
6b3ei2
36
Base36
chvyi
md5
2101ed228e20cf15217f772e21be7fe2
sha1
1201db7d167fcb615b6387d010fe151795f1967a
sha256
6f4e0389db58c50d02c1e107174e24350f23e2cc8e6ca43adbddfc2fd6dcef3a
sha512
eb2339cab69b004356cb9b2958739d344d08af116fc85eea95ecfe6cacd2f2d02e3fa90796cdeee9c8605a18b3de7e6395f1a33947dfe901c2af7b1470a9a812
ripemd-160
cbf63e9afc14ca4bb022919f1cd27fab40f376b3
Diameter
41979924
Circumference
131883820.83666
Area
1.3841181938881E+15
Volume
3.8736784390961E+22
Surface area
5.5364727755525E+15
Circumference
131883820.83666
Perimeter
83959848
Area
440578504761444
Diagonal
29684288.934096
Surface area
2643471028568664
Volume
9.2477260729595E+21
Space diagonal
36355680.63294
Perimeter
62969886
Area
1.9077608874239E+14
Altitude
18177840.31647
Surface area
1.9077608874239E+14
Volume
1.0898549694576E+21
Height
9894762.978032