21538056 is an even 8-digits composite number following 21538055
and preceding 21538057 . In scientific notation, it is written as 2.1538056 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 6947520 positive integers (up to 21538056) that are relatively prime to 21538056.
21538056 has 32 divisors, whose sum is 55584000
The reverse of 21538056 is 65083512
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred thirty-eight thousand fifty-six
Scientific notation
2.1538056 × 10^7
Engineering notation
2.1538056 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 31 × 28949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5384514
Product of the distinct prime numbers
The prime factorization of 21538056 is 2 × 2 × 2 × 3 × 31 × 28949.
Since it has a total of 6 prime factors.
9 , 10 , 70 , 81 , 240 , 933 , 4024 , 4534 , 79399 , 84748 , 536847 , 345043 , 408568 , 7183224 , 16107181 , 74352750 , 514480012 , 395288873 , 1306536439 , 6850982542
n×2
43076112
n×3
64614168
n×4
86152224
n×5
107690280
n÷2
10769028
n÷3
7179352
n÷3
5384514
n÷5
4307611.2
n2
463887856259136
n3
9.9912426258292E+21
n4
2.151919431847E+29
n5
4.6348161230608E+36
2 √n
4640.9111174423
3 √n
278.22885421686
4 √n
68.124232967736
5 √n
29.284735131344
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 31 , 62 , 93 , 124 , 186 , 248 , 372 , 744 , 28949 , 57898 , 86847 , 115796 , 173694 , 231592 , 347388 , 694776 , 897419 , 1794838 , 2692257 , 3589676 , 5384514 , 7179352 , 10769028 , 21538056
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21538055
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21538056 can be divided by 32 positive divisors.
The sum of these divisors (counting 21538056) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001010010100001000
3
Ternary
1111112020122210
4
Quaternary
1102022110020
5
Quinary
21003204211
6
Senary
2045345120
8
Octal
122122410
10
Decimal
21538056
12
Duodecimal
72681a0
16
Hexadecimal
148a508
20
Vigesimal
6ec52g
36
Base36
ctmvc
md5
354d8254d12ef3860397e4d1a31d30e3
sha1
827cad2e9f4d0de4b3776a62a3323d7e9087c7e9
sha256
fd47583bb517e3a909d9b04d257228d06d4decf28cd975fa6de010ca3b3178c9
sha512
539ec1dc087c32762b27f9f2b535a815814f94f4aa04abdf49ca3f5915b246af42a69615075298f85d15c67226c65e573a9fb3589d197aa4c3472260c945a6b0
ripemd-160
eb0c5ecd4cf8d5bdff523bca786272792de7156c
Diameter
43076112
Circumference
135327597.00441
Area
1.4573466813132E+15
Volume
4.1851219244718E+22
Surface area
5.8293867252529E+15
Circumference
135327597.00441
Perimeter
86152224
Area
463887856259136
Diagonal
30459410.902351
Surface area
2783327137554816
Volume
9.9912426258292E+21
Space diagonal
37305007.288264
Perimeter
64614168
Area
2.0086933401376E+14
Altitude
18652503.644132
Surface area
2.0086933401376E+14
Volume
1.177479235534E+21
Height
10153136.96745