20921117 is an odd 8-digits composite number following 20921116
and preceding 20921118 . In scientific notation, it is written as 2.0921117 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 17932380 positive integers (up to 20921117) that are relatively prime to 20921117.
20921117 has 4 divisors, whose sum is 23909856
The reverse of 20921117 is 71112902
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million nine hundred twenty-one thousand one hundred seventeen
Scientific notation
2.0921117 × 10^7
Engineering notation
2.0921117 × 10^6
Prime Factorization
7 × 2988731
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20921117
Product of the distinct prime numbers
The prime factorization of 20921117 is 7 × 2988731.
Since it has a total of 2 prime factors.
10 , 5 , 35 , 65 , 347 , 10 , 1625 , 9063 , 22977 , 3674 , 919928 , 885935 , 5709957 , 6050820 , 59042149 , 38981183 , 115688537 , 485627058 , 2541745821 , 3686422226
n×2
41842234
n×3
62763351
n×4
83684468
n×5
104605585
n÷2
10460558.5
n÷3
6973705.6666667
n÷3
5230279.25
n÷5
4184223.4
n2
437693136527689
n3
9.1570293193928E+21
n4
1.9157528176345E+29
n5
4.007968884081E+36
2 √n
4573.9607562811
3 √n
275.54653623237
4 √n
67.631063545394
5 √n
29.115012013851
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921116
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921117 can be divided by 4 positive divisors.
The sum of these divisors (counting 20921117) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111110011101100011101
3
Ternary
1110100220101012
4
Quaternary
1033303230131
5
Quinary
20323433432
6
Senary
2024225005
8
Octal
117635435
10
Decimal
20921117
12
Duodecimal
700b165
16
Hexadecimal
13f3b1d
20
Vigesimal
6af2fh
36
Base36
cgeu5
md5
f1f9dbbfe214cd1b0763a7ab93ab0cec
sha1
ae9cff04930669f9aa9a86b14478e6108d8be553
sha256
ff4deaac83aa0daa670bd5b7ebef0235cf7387e9ff64401aed65dbce5233419b
sha512
2383a935e844287e91e0ef04586b75dfc1784b23e9597930d0dceda8d69371eb5fa0d464d9de28d7597958f8a2744aaac826d1816af211aa02e351cc8eb3eaae
ripemd-160
a00b7b1642924e3a70e1aa65a9aba7ee0e575695
Diameter
41842234
Circumference
131451254.94419
Area
1.3750535422421E+15
Volume
3.8356874718014E+22
Surface area
5.5002141689682E+15
Circumference
131451254.94419
Perimeter
83684468
Area
437693136527689
Diagonal
29586927.401394
Surface area
2626158819166134
Volume
9.1570293193928E+21
Space diagonal
36236437.595093
Perimeter
62763351
Area
1.8952668764753E+14
Altitude
18118218.797546
Surface area
1.8952668764753E+14
Volume
1.0791662545444E+21
Height
9862309.1337981