21554913 is an odd 8-digits composite number following 21554912
and preceding 21554914 . In scientific notation, it is written as 2.1554913 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 14034384 positive integers (up to 21554913) that are relatively prime to 21554913.
21554913 has 16 divisors, whose sum is 29419520
The reverse of 21554913 is 31945512
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred fifty-four thousand nine hundred thirteen
Scientific notation
2.1554913 × 10^7
Engineering notation
2.1554913 × 10^6
Prime Factorization
3 × 79 × 103 × 883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21554913
Product of the distinct prime numbers
The prime factorization of 21554913 is 3 × 79 × 103 × 883.
Since it has a total of 4 prime factors.
3 , 3 , 9 , 7 , 200 , 608 , 8 , 3927 , 23398 , 88796 , 409651 , 950897 , 7566222 , 5509370 , 13788018 , 80719873 , 3946117 , 539460441 , 52386253 , 1298604467
n×2
43109826
n×3
64664739
n×4
86219652
n×5
107774565
n÷2
10777456.5
n÷3
7184971
n÷3
5388728.25
n÷5
4310982.6
n2
464614274437569
n3
1.001472026406E+22
n4
2.1586642401115E+29
n5
4.6529819891814E+36
2 √n
4642.7268926785
3 √n
278.30142159465
4 √n
68.13755860521
5 √n
29.289317701911
1 , 3 , 79 , 103 , 237 , 309 , 883 , 2649 , 8137 , 24411 , 69757 , 90949 , 209271 , 272847 , 7184971 , 21554913
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
-21554912
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 21554913 can be divided by 16 positive divisors.
The sum of these divisors (counting 21554913) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001110011011100001
3
Ternary
1111120002210010
4
Quaternary
1102032123201
5
Quinary
21004224123
6
Senary
2045555133
8
Octal
122163341
10
Decimal
21554913
12
Duodecimal
7275aa9
16
Hexadecimal
148e6e1
20
Vigesimal
6ee75d
36
Base36
ctzvl
md5
ace514ebb3771624946245776127bb5f
sha1
3dbab3db309f83f1d1e9f4d2f84644adaf5a37ff
sha256
829a9f9a75d0817262d84038f4b0024e4d68a8a771df11443b62e9c6e916b68c
sha512
276375c8e72072a3196c56b38d4bd9a5307f2241afe18dee4795122fd673d8b81b49b0ef92ea7de56dfc5001766c4f3702e5d26bd6c6cde3d416e8fe5d0bedb7
ripemd-160
f85aa7b6dde68608ff6ad059f99a5a378dc30c8b
Diameter
43109826
Circumference
135433512.65913
Area
1.459628791326E+15
Volume
4.194956214577E+22
Surface area
5.8385151653041E+15
Circumference
135433512.65913
Perimeter
86219652
Area
464614274437569
Diagonal
30483250.300372
Surface area
2787685646625414
Volume
1.001472026406E+22
Space diagonal
37334204.468727
Perimeter
64664739
Area
2.011838823119E+14
Altitude
18667102.234363
Surface area
2.011838823119E+14
Volume
1.1802461017339E+21
Height
10161083.433457