20091408 is an even 8-digits composite number following 20091407
and preceding 20091409 . In scientific notation, it is written as 2.0091408 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors.
There are 6663552 positive integers (up to 20091408) that are relatively prime to 20091408.
20091408 has 20 divisors, whose sum is 39006060
The reverse of 20091408 is 80419002
Previous prime number is 669
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million ninety-one thousand four hundred eight
Scientific notation
2.0091408 × 10^7
Engineering notation
2.0091408 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 669 × 1877
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2511426
Product of the distinct prime numbers
The prime factorization of 20091408 is 2 × 2 × 2 × 2 × 669 × 1877.
Since it has a total of 6 prime factors.
9 , 9 , 32 , 25 , 686 , 476 , 4499 , 4835 , 53644 , 9233 , 622721 , 217361 , 4377198 , 8864375 , 91125460 , 29222603 , 74618835 , 746268394 , 2791730478 , 6667724213
n×2
40182816
n×3
60274224
n×4
80365632
n×5
100457040
n÷2
10045704
n÷3
6697136
n÷3
5022852
n÷5
4018281.6
n2
403664675422464
n3
8.1101916891003E+21
n4
1.6294517018392E+29
n5
3.2737978957946E+36
2 √n
4482.3440296345
3 √n
271.85466572717
4 √n
66.950310153385
5 √n
28.880324895078
1 , 2 , 4 , 8 , 16 , 669 , 1338 , 1877 , 2676 , 3754 , 5352 , 7508 , 10704 , 15016 , 30032 , 1255713 , 2511426 , 5022852 , 10045704 , 20091408
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20091407
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20091408 can be divided by 20 positive divisors.
The sum of these divisors (counting 20091408) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100101001001000010000
3
Ternary
1101210202020020
4
Quaternary
1030221020100
5
Quinary
20120411113
6
Senary
1554343440
8
Octal
114511020
10
Decimal
20091408
12
Duodecimal
688ab80
16
Hexadecimal
1329210
20
Vigesimal
65b8a8
36
Base36
bymmo
md5
708ad2222277c7171400ec09770d3c5f
sha1
c8d8bf3f627ff99c8dc49b354381908c9dd49f4e
sha256
486212ad06d2639127f93e3501c28a1c926c58f35952bc684264c88b1778eaee
sha512
dec47eb2787f9b89f434994494d4944cc0eccac34916efb4c4ae05fa154aaaa521e37a093073ab965d76275c5e2cd860582b7db11bdb82373107c7e7447a9971
ripemd-160
2c15b8183963d563fdef69c7592958c649bf6931
Diameter
40182816
Circumference
126238039.54615
Area
1.2681499788209E+15
Volume
3.3971891506243E+22
Surface area
5.0725999152837E+15
Circumference
126238039.54615
Perimeter
80365632
Area
403664675422464
Diagonal
28413541.680771
Surface area
2421988052534784
Volume
8.1101916891003E+21
Space diagonal
34799339.451596
Perimeter
60274224
Area
1.7479193176313E+14
Altitude
17399669.725798
Surface area
1.7479193176313E+14
Volume
9.5579525668093E+20
Height
9471180.5602571