21551359 is an odd 8-digits composite number following 21551358
and preceding 21551360 . In scientific notation, it is written as 2.1551359 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20283616 positive integers (up to 21551359) that are relatively prime to 21551359.
21551359 has 4 divisors, whose sum is 22819104
The reverse of 21551359 is 95315512
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred fifty-one thousand three hundred fifty-nine
Scientific notation
2.1551359 × 10^7
Engineering notation
2.1551359 × 10^6
Prime Factorization
17 × 1267727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21551359
Product of the distinct prime numbers
The prime factorization of 21551359 is 17 × 1267727.
Since it has a total of 2 prime factors.
7 , 9 , 40 , 28 , 927 , 825 , 2525 , 6557 , 24750 , 74588 , 873337 , 692608 , 6088354 , 7813348 , 87041383 , 45545287 , 760240035 , 178266663 , 2927609657 , 1159477623
n×2
43102718
n×3
64654077
n×4
86205436
n×5
107756795
n÷2
10775679.5
n÷3
7183786.3333333
n÷3
5387839.75
n÷5
4310271.8
n2
464461074746881
n3
1.0009767363396E+22
n4
2.1572408995503E+29
n5
4.6491473075691E+36
2 √n
4642.344127701
3 √n
278.28612519613
4 √n
68.134749780864
5 √n
29.288351786613
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551358
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551359 can be divided by 4 positive divisors.
The sum of these divisors (counting 21551359) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001101100011111111
3
Ternary
1111112220220111
4
Quaternary
1102031203333
5
Quinary
21004120414
6
Senary
2045530451
8
Octal
122154377
10
Decimal
21551359
12
Duodecimal
7273a27
16
Hexadecimal
148d8ff
20
Vigesimal
6edi7j
36
Base36
ctx4v
md5
b872b36b19e1ff42fb69679ce32471ff
sha1
5aa62c015c0a1efec7b8cd6ec030a7b9ce0767a7
sha256
34bd37b3f6dcaebbed1b5b48ca698e50057c207121055bc20a85dc06237b81f9
sha512
d5cba95dad79e3846d7ae6f794276504a7e9a30a3ba2ccee1833323530fab12d819e1ad41356f01ddcd63bedd86b3ca74c37b068b97565905f6eceb9311e741a
ripemd-160
079f56c600bd88c3257b28c6fef1585c448ac6d9
Diameter
43102718
Circumference
135411182.21855
Area
1.4591475003032E+15
Volume
4.1928815483983E+22
Surface area
5.8365900012129E+15
Circumference
135411182.21855
Perimeter
86205436
Area
464461074746881
Diagonal
30478224.185371
Surface area
2786766448481286
Volume
1.0009767363396E+22
Space diagonal
37328048.760157
Perimeter
64654077
Area
2.0111754489991E+14
Altitude
18664024.380078
Surface area
2.0111754489991E+14
Volume
1.1796623967928E+21
Height
10159408.06179