21554871 is an odd 8-digits composite number following 21554870
and preceding 21554872 . In scientific notation, it is written as 2.1554871 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13160160 positive integers (up to 21554871) that are relatively prime to 21554871.
21554871 has 16 divisors, whose sum is 31194240
The reverse of 21554871 is 17845512
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million five hundred fifty-four thousand eight hundred seventy-one
Scientific notation
2.1554871 × 10^7
Engineering notation
2.1554871 × 10^6
Prime Factorization
3 × 13 × 131 × 4219
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21554871
Product of the distinct prime numbers
The prime factorization of 21554871 is 3 × 13 × 131 × 4219.
Since it has a total of 4 prime factors.
10 , 5 , 94 , 80 , 2 , 839 , 8645 , 1642 , 67885 , 15592 , 807281 , 980239 , 5969125 , 5260623 , 50595434 , 35393210 , 544254265 , 787610215 , 5691113844 , 8877943522
n×2
43109742
n×3
64664613
n×4
86219484
n×5
107774355
n÷2
10777435.5
n÷3
7184957
n÷3
5388717.75
n÷5
4310974.2
n2
464612463826641
n3
1.0014661722775E+22
n4
2.1586474154306E+29
n5
4.652936657409E+36
2 √n
4642.7223694725
3 √n
278.30124083668
4 √n
68.137525413479
5 √n
29.289306287786
1 , 3 , 13 , 39 , 131 , 393 , 1703 , 4219 , 5109 , 12657 , 54847 , 164541 , 552689 , 1658067 , 7184957 , 21554871
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
-21554870
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 21554871 can be divided by 16 positive divisors.
The sum of these divisors (counting 21554871) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001110011010110111
3
Ternary
1111120002201120
4
Quaternary
1102032122313
5
Quinary
21004223441
6
Senary
2045555023
8
Octal
122163267
10
Decimal
21554871
12
Duodecimal
7275a73
16
Hexadecimal
148e6b7
20
Vigesimal
6ee73b
36
Base36
ctzuf
md5
5510a982bfd8b7616fbe35bbab91eca7
sha1
469649ea95bf88fdfc65c537681f284d8896b56e
sha256
108bdac39416ced783c5ecab7f2bb3054bb600177717189056ee70bbc75636b9
sha512
a2d5127040948357b43214211e3e45c5136d3cabbfc0f06dd340450fdbb4f384421f59c841d7fa9de2d1a10b6ff797b2331578d6e96fad942dedbb908c8b86aa
ripemd-160
6ebd9bc24875d7e18aa35667150634db25343c16
Diameter
43109742
Circumference
135433248.76535
Area
1.459623103124E+15
Volume
4.1949316928611E+22
Surface area
5.8384924124961E+15
Circumference
135433248.76535
Perimeter
86219484
Area
464612463826641
Diagonal
30483190.903403
Surface area
2787674782959846
Volume
1.0014661722775E+22
Space diagonal
37334131.722593
Perimeter
64664613
Area
2.0118309829437E+14
Altitude
18667065.861296
Surface area
2.0118309829437E+14
Volume
1.1802392025773E+21
Height
10161063.634468