20281615 is an odd 8-digits composite number following 20281614
and preceding 20281616 . In scientific notation, it is written as 2.0281615 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 16177920 positive integers (up to 20281615) that are relatively prime to 20281615.
20281615 has 8 divisors, whose sum is 24409008
The reverse of 20281615 is 51618202
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred eighty-one thousand six hundred fifteen
Scientific notation
2.0281615 × 10^7
Engineering notation
2.0281615 × 10^6
Prime Factorization
5 × 353 × 11491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20281615
Product of the distinct prime numbers
The prime factorization of 20281615 is 5 × 353 × 11491.
Since it has a total of 3 prime factors.
6 , 3 , 62 , 52 , 677 , 146 , 1069 , 5786 , 49496 , 41060 , 139221 , 241922 , 4417265 , 6064786 , 53048926 , 36038934 , 433775761 , 792245396 , 8595145101 , 1812817130
n×2
40563230
n×3
60844845
n×4
81126460
n×5
101408075
n÷2
10140807.5
n÷3
6760538.3333333
n÷3
5070403.75
n÷5
4056323
n2
411343907008225
n3
8.3427187545366E+21
n4
1.6920380983279E+29
n5
3.4317265275619E+36
2 √n
4503.5114077795
3 √n
272.70986274385
4 √n
67.108206709608
5 √n
28.934801468943
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20281614
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20281615 can be divided by 8 positive divisors.
The sum of these divisors (counting 20281615) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101010111100100001111
3
Ternary
1102011102010221
4
Quaternary
1031113210033
5
Quinary
20143002430
6
Senary
2002412211
8
Octal
115274417
10
Decimal
20281615
12
Duodecimal
6961067
16
Hexadecimal
135790f
20
Vigesimal
66f40f
36
Base36
c2pe7
md5
b2e324269257103cdff0ad08b6152f14
sha1
db84ca43f4274ed1b3465ab96a9f17f4c15ab5c2
sha256
4ddf6f7296da58bbaeb42a15767772f2dea3cc6b5d648ff5c5c265e80d321692
sha512
87589de46b170383fb70392ffcdeb412ae9ff7ef19472e92f13b9c058a076c25e4732ce23823c92577f5325b29fefd56192aea2d7139c50fdcdeeb56cca37c80
ripemd-160
b5855cbf0f1c1ef3fd12456a44934c5688c86af6
Diameter
40563230
Circumference
127433145.37387
Area
1.292274996356E+15
Volume
3.4945898600291E+22
Surface area
5.1690999854239E+15
Circumference
127433145.37387
Perimeter
81126460
Area
411343907008225
Diagonal
28682534.99983
Surface area
2468063442049350
Volume
8.3427187545366E+21
Space diagonal
35128787.639551
Perimeter
60844845
Area
1.7811713658053E+14
Altitude
17564393.819776
Surface area
1.7811713658053E+14
Volume
9.8319883414417E+20
Height
9560844.9999432