20218949 is an odd 8-digits prime number following 20218948
and preceding 20218950 . In scientific notation, it is written as 2.0218949 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 20218948 positive integers (up to 20218949) that are relatively prime to 20218949.
20218949 has 2 divisors, whose sum is 20218950
The reverse of 20218949 is 94981202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million two hundred eighteen thousand nine hundred forty-nine
Scientific notation
2.0218949 × 10^7
Engineering notation
2.0218949 × 10^6
Prime Factorization
20218949
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20218949
Product of the distinct prime numbers
The prime factorization of 20218949 is 20218949.
Since it has a total of 1 prime factors.
8 , 7 , 25 , 89 , 864 , 86 , 161 , 6868 , 76383 , 95400 , 125607 , 794542 , 8845321 , 7471670 , 74565250 , 40223387 , 18858330 , 934376958 , 9318311142 , 3981672924
n×2
40437898
n×3
60656847
n×4
80875796
n×5
101094745
n÷2
10109474.5
n÷3
6739649.6666667
n÷3
5054737.25
n÷5
4043789.8
n2
408805898664601
n3
8.2656256159987E+21
n4
1.6712226278297E+29
n5
3.3790365079735E+36
2 √n
4496.5485652887
3 √n
272.4287005898
4 √n
67.056308914887
5 √n
28.916898817377
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20218950
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10109475
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4496.5486764851
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999010829
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20218949 can be divided by 2 positive divisors.
The sum of these divisors (counting 20218949) is 20218950, the average is 10109475.
Base
System
Value
2
Binary
1001101001000010001000101
3
Ternary
1102001020011222
4
Quaternary
1031020101011
5
Quinary
20134001244
6
Senary
2001210125
8
Octal
115102105
10
Decimal
20218949
12
Duodecimal
6930945
16
Hexadecimal
1348445
20
Vigesimal
667779
36
Base36
c1d1h
md5
8f12b38a73c01854297cdcef4d247878
sha1
6ca12a6e08b7d4e5aa0629279a19f876199426df
sha256
eb51d8c5e81c5743d8b43685b59ff3a311e483ac614d87e1a2ba4527325d40c9
sha512
8b03a5bc37bbd117bc8a984b54b82b729feb7d632fa2237bed0cea2805df05cd663c6600faa1b84b56bef5f13c4457bd9300608fd22d33399a8724fb424b0976
ripemd-160
2558e8a5bec02513aef602903a439d9d917ad8cf
Diameter
40437898
Circumference
127039403.28341
Area
1.2843016079889E+15
Volume
3.4622971616727E+22
Surface area
5.1372064319555E+15
Circumference
127039403.28341
Perimeter
80875796
Area
408805898664601
Diagonal
28593911.89273
Surface area
2452835391987606
Volume
8.2656256159987E+21
Space diagonal
35020246.943644
Perimeter
60656847
Area
1.7701814673024E+14
Altitude
17510123.471822
Surface area
1.7701814673024E+14
Volume
9.7411332063699E+20
Height
9531303.9642433