20997777 is an odd 8-digits composite number following 20997776
and preceding 20997778 . In scientific notation, it is written as 2.0997777 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 13970000 positive integers (up to 20997777) that are relatively prime to 20997777.
20997777 has 8 divisors, whose sum is 28054080
The reverse of 20997777 is 77779902
Previous prime number is 509
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty million nine hundred ninety-seven thousand seven hundred seventy-seven
Scientific notation
2.0997777 × 10^7
Engineering notation
2.0997777 × 10^6
Prime Factorization
3 × 509 × 13751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20997777
Product of the distinct prime numbers
The prime factorization of 20997777 is 3 × 509 × 13751.
Since it has a total of 3 prime factors.
9 , 8 , 78 , 44 , 307 , 541 , 2528 , 4823 , 69910 , 75527 , 579430 , 818243 , 5663295 , 7037681 , 14293295 , 49429218 , 250038492 , 514534639 , 2107930454 , 8119309424
n×2
41995554
n×3
62993331
n×4
83991108
n×5
104988885
n÷2
10498888.5
n÷3
6999259
n÷3
5249444.25
n÷5
4199555.4
n2
440906638941729
n3
9.2580592823179E+21
n4
1.9439866426289E+29
n5
4.0819398012901E+36
2 √n
4582.3331393516
3 √n
275.88268223356
4 √n
67.692932713479
5 √n
29.136317689111
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
-20997776
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 20997777 can be divided by 8 positive divisors.
The sum of these divisors (counting 20997777) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000110011010010001
3
Ternary
1110111210112110
4
Quaternary
1100012122101
5
Quinary
20333412102
6
Senary
2030015533
8
Octal
120063221
10
Decimal
20997777
12
Duodecimal
70475a9
16
Hexadecimal
1406691
20
Vigesimal
6b4e8h
36
Base36
ci1zl
md5
daf2d2697f8f930f38f55972380441b1
sha1
fc34274ca1a0da07c14afc3eae0be8467d606cd4
sha256
10bbe486f5db46365b4ec99aac9869f6f12e7f95e85b819618d7ab88eae5c9e5
sha512
e98d9facf6abbc3f7c2a0e9eedf15b92ad4a6f3fff980484264fe3127878f7fce0831bd052ce9db21777caed3be42dee307135f7d7d3ca3f7188cb607ce21b05
ripemd-160
6ae1bf756e17a3691823aff26dd39ed3d889be65
Diameter
41995554
Circumference
131932923.92983
Area
1.3851490578183E+15
Volume
3.8780068037105E+22
Surface area
5.5405962312732E+15
Circumference
131932923.92983
Perimeter
83991108
Area
440906638941729
Diagonal
29695341.013086
Surface area
2645439833650374
Volume
9.2580592823179E+21
Space diagonal
36369216.610001
Perimeter
62993331
Area
1.9091817501038E+14
Altitude
18184608.305001
Surface area
1.9091817501038E+14
Volume
1.091072749859E+21
Height
9898447.0043619