21554216 is an even 8-digits composite number following 21554215
and preceding 21554217 . In scientific notation, it is written as 2.1554216 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 24 positive divisors.
There are 10626720 positive integers (up to 21554216) that are relatively prime to 21554216.
21554216 has 24 divisors, whose sum is 40984410
The reverse of 21554216 is 61245512
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million five hundred fifty-four thousand two hundred sixteen
Scientific notation
2.1554216 × 10^7
Engineering notation
2.1554216 × 10^6
Prime Factorization
2 × 2 × 2 × 131 × 157 × 131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
41134
Product of the distinct prime numbers
The prime factorization of 21554216 is 2 × 2 × 2 × 131 × 157 × 131.
Since it has a total of 6 prime factors.
10 , 8 , 13 , 91 , 2 , 325 , 8330 , 8822 , 77598 , 88157 , 915155 , 644428 , 8071031 , 7489573 , 14778394 , 46014608 , 10084232 , 384862434 , 8808814135 , 1833051205
n×2
43108432
n×3
64662648
n×4
86216864
n×5
107771080
n÷2
10777108
n÷3
7184738.6666667
n÷3
5388554
n÷5
4310843.2
n2
464584227374656
n3
1.0013748787026E+22
n4
2.1583850432531E+29
n5
4.6522297433446E+36
2 √n
4642.6518284274
3 √n
278.29842184263
4 √n
68.137007774244
5 √n
29.289128279495
1 , 2 , 4 , 8 , 131 , 157 , 262 , 314 , 524 , 628 , 1048 , 1256 , 17161 , 20567 , 34322 , 41134 , 68644 , 82268 , 137288 , 164536 , 2694277 , 5388554 , 10777108 , 21554216
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21554215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21554216 can be divided by 24 positive divisors.
The sum of these divisors (counting 21554216) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001110010000101000
3
Ternary
1111120001211022
4
Quaternary
1102032100220
5
Quinary
21004213331
6
Senary
2045552012
8
Octal
122162050
10
Decimal
21554216
12
Duodecimal
7275608
16
Hexadecimal
148e428
20
Vigesimal
6ee5ag
36
Base36
ctzc8
md5
a5ecc4a7a5b2ac48462b847d9d91c92c
sha1
20a7971b8117cfaa58e01464dcada9020c0010b9
sha256
79069fc25f3a854693782440056ea25c1cc6479268dc680a232c1b3148670c7a
sha512
62092632dd35057f7988a960215121fed50c1c87842118082d83362bd66cce7435bbe53074d801f66a7d06ce52cd8d244e22b16a19ee53b6349a0008bf694033
ripemd-160
4febd8d433b09c643e499382a11df25861b95c62
Diameter
43108432
Circumference
135429133.27898
Area
1.4595343956939E+15
Volume
4.1945492832288E+22
Surface area
5.8381375827756E+15
Circumference
135429133.27898
Perimeter
86216864
Area
464584227374656
Diagonal
30482264.593519
Surface area
2787505364247936
Volume
1.0013748787026E+22
Space diagonal
37332997.229314
Perimeter
64662648
Area
2.0117087155201E+14
Altitude
18666498.614657
Surface area
2.0117087155201E+14
Volume
1.1801316120675E+21
Height
10160754.864506