21542078 is an even 8-digits composite number following 21542077
and preceding 21542079 . In scientific notation, it is written as 2.1542078 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 10771038 positive integers (up to 21542078) that are relatively prime to 21542078.
21542078 has 4 divisors, whose sum is 32313120
The reverse of 21542078 is 87024512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million five hundred forty-two thousand seventy-eight
Scientific notation
2.1542078 × 10^7
Engineering notation
2.1542078 × 10^6
Prime Factorization
2 × 10771039
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21542078
Product of the distinct prime numbers
The prime factorization of 21542078 is 2 × 10771039.
Since it has a total of 2 prime factors.
2 , 7 , 89 , 15 , 536 , 694 , 2015 , 8362 , 92258 , 67495 , 969881 , 918889 , 5332965 , 9818874 , 77730126 , 42684259 , 738976722 , 439608335 , 2058989885 , 6064691687
n×2
43084156
n×3
64626234
n×4
86168312
n×5
107710390
n÷2
10771039
n÷3
7180692.6666667
n÷3
5385519.5
n÷5
4308415.6
n2
464061124558084
n3
9.996840941998E+21
n4
2.1535272732611E+29
n5
4.6391452495719E+36
2 √n
4641.3444172998
3 √n
278.2461718863
4 √n
68.127413111756
5 √n
29.285828771436
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
-21542077
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 21542078 can be divided by 4 positive divisors.
The sum of these divisors (counting 21542078) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001011010010111110
3
Ternary
1111112110011202
4
Quaternary
1102023102332
5
Quinary
21003321303
6
Senary
2045415502
8
Octal
122132276
10
Decimal
21542078
12
Duodecimal
726a592
16
Hexadecimal
148b4be
20
Vigesimal
6ecf3i
36
Base36
ctpz2
md5
66f542023012c02c80af028bb3db7d54
sha1
f831f32d3444fa8241043979d71153f73d36a7c8
sha256
1f6842531b9016d870012da504a0d81b9baaa68ec0185574a3a1de8d0257cbd1
sha512
789946b472dec347eb25a57a992ea45064b937d17dc3c2ca446c69f98c76166b3790b94b2db087883340dd343e21844bc4fde2c961fb532091f6f091791dd4e6
ripemd-160
9ec752ed6331d549f69d49148b0d565571e1095f
Diameter
43084156
Circumference
135352867.97572
Area
1.4578910197283E+15
Volume
4.1874669416649E+22
Surface area
5.8315640789132E+15
Circumference
135352867.97572
Perimeter
86168312
Area
464061124558084
Diagonal
30465098.869299
Surface area
2784366747348504
Volume
9.996840941998E+21
Space diagonal
37311973.596612
Perimeter
64626234
Area
2.0094436138804E+14
Altitude
18655986.798306
Surface area
2.0094436138804E+14
Volume
1.1781390034217E+21
Height
10155032.956433