21016887 is an odd 8-digits composite number following 21016886
and preceding 21016888 . In scientific notation, it is written as 2.1016887 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13593600 positive integers (up to 21016887) that are relatively prime to 21016887.
21016887 has 16 divisors, whose sum is 28865760
The reverse of 21016887 is 78861012
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million sixteen thousand eight hundred eighty-seven
Scientific notation
2.1016887 × 10^7
Engineering notation
2.1016887 × 10^6
Prime Factorization
3 × 41 × 241 × 709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21016887
Product of the distinct prime numbers
The prime factorization of 21016887 is 3 × 41 × 241 × 709.
Since it has a total of 4 prime factors.
10 , 7 , 3 , 88 , 909 , 630 , 8755 , 9002 , 8015 , 89369 , 874729 , 46587 , 6262352 , 9070030 , 17898368 , 63012594 , 831521505 , 315983718 , 8662188096 , 5509598347
n×2
42033774
n×3
63050661
n×4
84067548
n×5
105084435
n÷2
10508443.5
n÷3
7005629
n÷3
5254221.75
n÷5
4203377.4
n2
441709539170769
n3
9.2833594715741E+21
n4
1.9510731699445E+29
n5
4.1005484341456E+36
2 √n
4584.417847448
3 √n
275.96635012988
4 √n
67.708329232437
5 √n
29.141619130752
1 , 3 , 41 , 123 , 241 , 709 , 723 , 2127 , 9881 , 29069 , 29643 , 87207 , 170869 , 512607 , 7005629 , 21016887
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21016886
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21016887 can be divided by 16 positive divisors.
The sum of these divisors (counting 21016887) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001011000100110111
3
Ternary
1110112202202020
4
Quaternary
1100023010313
5
Quinary
20340020022
6
Senary
2030244223
8
Octal
120130467
10
Decimal
21016887
12
Duodecimal
7056673
16
Hexadecimal
140b137
20
Vigesimal
6b7247
36
Base36
cigqf
md5
e2aa0150891e7009efd0523fd917b4fc
sha1
23b6fa3a58da0cdb5215c86973cbd425fcd17cf0
sha256
d35276f10c879b42503b0044d10a75b94ae6e88a63aeb883c1e4dd095f5e24e0
sha512
4f81e67bd550a94e9e4584a7873108b15138a32565019524aa18ad3cb962e58112da6e10abaee87b6803329445d00ab68343f40056a0545cff1df621400db749
ripemd-160
ecca26667ff5b292a5c4e3283ce0013a5f3d5001
Diameter
42033774
Circumference
132052995.60105
Area
1.3876714432794E+15
Volume
3.8886045222041E+22
Surface area
5.5506857731177E+15
Circumference
132052995.60105
Perimeter
84067548
Area
441709539170769
Diagonal
29722366.634263
Surface area
2650257235024614
Volume
9.2833594715741E+21
Space diagonal
36402316.100934
Perimeter
63050661
Area
1.912658410079E+14
Altitude
18201158.050467
Surface area
1.912658410079E+14
Volume
1.0940544057571E+21
Height
9907455.5447543