21086977 is an odd 8-digits composite number following 21086976
and preceding 21086978 . In scientific notation, it is written as 2.1086977 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 20697600 positive integers (up to 21086977) that are relatively prime to 21086977.
21086977 has 8 divisors, whose sum is 21478752
The reverse of 21086977 is 77968012
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million eighty-six thousand nine hundred seventy-seven
Scientific notation
2.1086977 × 10^7
Engineering notation
2.1086977 × 10^6
Prime Factorization
67 × 641 × 491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21086977
Product of the distinct prime numbers
The prime factorization of 21086977 is 67 × 641 × 491.
Since it has a total of 3 prime factors.
7 , 5 , 14 , 1 , 688 , 728 , 7132 , 9309 , 21809 , 46059 , 950343 , 715088 , 2854510 , 6420756 , 72605627 , 24004057 , 549224639 , 958312143 , 7162643385 , 7339347416
n×2
42173954
n×3
63260931
n×4
84347908
n×5
105434885
n÷2
10543488.5
n÷3
7028992.3333333
n÷3
5271744.25
n÷5
4217395.4
n2
444660598998529
n3
9.3765478238882E+21
n4
1.9772304830173E+29
n5
4.1693813719085E+36
2 √n
4592.0558576742
3 √n
276.27278655634
4 √n
67.764709529918
5 √n
29.161030348334
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
-21086976
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 21086977 can be divided by 8 positive divisors.
The sum of these divisors (counting 21086977) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011100001100000001
3
Ternary
1110200022220011
4
Quaternary
1100130030001
5
Quinary
20344240402
6
Senary
2031544521
8
Octal
120341401
10
Decimal
21086977
12
Duodecimal
708b141
16
Hexadecimal
141c301
20
Vigesimal
6bfh8h
36
Base36
cjytd
md5
5b79ee2f4ab8ca87346f9e712c15d706
sha1
e0d8cfc6114950390145e192c8ed88766e6e6170
sha256
911c6566822e74462d1e4a908c38229df7abc8b1f6d6188c7e2d76d702a776f4
sha512
e3be1e7dd8f229facf7424517fd2be58ca0dd9fa74098434fa3b88a5427cb2097ee34058629310aa75cc646f6500b16f1b44fe3db88bc2a5ceaa6baf3bf6ea3c
ripemd-160
e521b628b00e8795ebe6b81d314914da231e461f
Diameter
42173954
Circumference
132493384.05923
Area
1.3969424711546E+15
Volume
3.9276391679414E+22
Surface area
5.5877698846185E+15
Circumference
132493384.05923
Perimeter
84347908
Area
444660598998529
Diagonal
29821488.86285
Surface area
2667963593991174
Volume
9.3765478238882E+21
Space diagonal
36523715.542036
Perimeter
63260931
Area
1.9254368739737E+14
Altitude
18261857.771018
Surface area
1.9254368739737E+14
Volume
1.1050367583986E+21
Height
9940496.2876165