20949900 is an even 8-digits composite number following 20949899
and preceding 20949901 . In scientific notation, it is written as 2.0949900 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 5586560 positive integers (up to 20949900) that are relatively prime to 20949900.
20949900 has 24 divisors, whose sum is 46928448
The reverse of 20949900 is 00994902
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred forty-nine thousand nine hundred
Scientific notation
2.0949900 × 10^7
Engineering notation
2.0949900 × 10^6
Prime Factorization
2 × 2 × 5 × 15 × 69833
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10474950
Product of the distinct prime numbers
The prime factorization of 20949900 is 2 × 2 × 5 × 15 × 69833.
Since it has a total of 5 prime factors.
8 , 7 , 60 , 23 , 892 , 705 , 9818 , 1931 , 81564 , 74660 , 222 , 969310 , 6301125 , 3304596 , 24934665 , 10039788 , 671314065 , 983340611 , 4710322270 , 2412998911
n×2
41899800
n×3
62849700
n×4
83799600
n×5
104749500
n÷2
10474950
n÷3
6983300
n÷3
5237475
n÷5
4189980
n2
438898310010000
n3
9.1948757048785E+21
n4
1.9263172652963E+29
n5
4.0356154076232E+36
2 √n
4577.1060726184
3 √n
275.67284277044
4 √n
67.654313037813
5 √n
29.123018819585
1 , 2 , 4 , 5 , 10 , 15 , 20 , 30 , 60 , 75 , 150 , 300 , 69833 , 139666 , 279332 , 349165 , 698330 , 1047495 , 1396660 , 2094990 , 4189980 , 5237475 , 10474950 , 20949900
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20949899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20949900 can be divided by 24 positive divisors.
The sum of these divisors (counting 20949900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111111010101110001100
3
Ternary
1110102100212020
4
Quaternary
1033322232030
5
Quinary
20330344100
6
Senary
2025010140
8
Octal
117725614
10
Decimal
20949900
12
Duodecimal
7023950
16
Hexadecimal
13fab8c
20
Vigesimal
6aief0
36
Base36
ch11o
md5
b984075d9307a2b3d244653e213c1ab6
sha1
b089fc7b8bdd3492dba3156942afb0c6cab378dc
sha256
6e34a14f9f6c472c6f4e3dcaf156eb16527cb5c9b153ad8ecb328a60b9534f1e
sha512
e8724ad2751f6645b56c97935a2a831403cf465105aa6e7b144943d623e5171a4474ea94ab9218e943a2b1991197f0c8e90848c71b5eb110986c88272e298353
ripemd-160
958adb43a4c11ede4ef4987ae9c3972262775a76
Diameter
41899800
Circumference
131632103.86688
Area
1.3788397064004E+15
Volume
3.8515405286823E+22
Surface area
5.5153588256016E+15
Circumference
131632103.86688
Perimeter
83799600
Area
438898310010000
Diagonal
29627632.71036
Surface area
2633389860060000
Volume
9.1948757048785E+21
Space diagonal
36286291.213487
Perimeter
62849700
Area
1.9004854307336E+14
Altitude
18143145.606744
Surface area
1.9004854307336E+14
Volume
1.0836264938478E+21
Height
9875877.57012