21451454 is an even 8-digits composite number following 21451453
and preceding 21451455 . In scientific notation, it is written as 2.1451454 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10725726 positive integers (up to 21451454) that are relatively prime to 21451454.
21451454 has 4 divisors, whose sum is 32177184
The reverse of 21451454 is 45415412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred fifty-one thousand four hundred fifty-four
Scientific notation
2.1451454 × 10^7
Engineering notation
2.1451454 × 10^6
Prime Factorization
2 × 10725727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21451454
Product of the distinct prime numbers
The prime factorization of 21451454 is 2 × 10725727.
Since it has a total of 2 prime factors.
8 , 4 , 94 , 38 , 285 , 892 , 4984 , 6369 , 65095 , 93574 , 888876 , 536017 , 7617415 , 1356962 , 17414053 , 6891657 , 498331370 , 641012575 , 3402831107 , 7052334745
n×2
42902908
n×3
64354362
n×4
85805816
n×5
107257270
n÷2
10725727
n÷3
7150484.6666667
n÷3
5362863.5
n÷5
4290290.8
n2
460164878714116
n3
9.8712057281514E+21
n4
2.1175171560198E+29
n5
4.5423821866569E+36
2 √n
4631.5714395872
3 √n
277.85544474739
4 √n
68.055649578762
5 √n
29.261147064979
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
-21451453
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 21451454 can be divided by 4 positive divisors.
The sum of these divisors (counting 21451454) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001110101001010111110
3
Ternary
1111100211212022
4
Quaternary
1101311022332
5
Quinary
20442421304
6
Senary
2043440142
8
Octal
121651276
10
Decimal
21451454
12
Duodecimal
7226052
16
Hexadecimal
14752be
20
Vigesimal
6e18ce
36
Base36
crs1q
md5
18320df1d18227f4b196becd34a0fa26
sha1
bef665033e3b15409e746bd83ac5745aa4e1ac5f
sha256
22d5a10e9563538f20ac102ff7d4256b8cd6313b691dff74009d0a8143800e71
sha512
65285dd0efacf2970f0108c3b7056410b3b36b923b9de52830895024d642360b45b0b65bf5863089331635109b88782cb9a635ad3e5eed680adc2417bff288bc
ripemd-160
8a204cc631ece75e59ecbac6b1a85f8b99f5168e
Diameter
42902908
Circumference
134783460.59044
Area
1.4456506024083E+15
Volume
4.1348409863512E+22
Surface area
5.7826024096332E+15
Circumference
134783460.59044
Perimeter
85805816
Area
460164878714116
Diagonal
30336937.179423
Surface area
2760989272284696
Volume
9.8712057281514E+21
Space diagonal
37155008.224227
Perimeter
64354362
Area
1.992572374479E+14
Altitude
18577504.112113
Surface area
1.992572374479E+14
Volume
1.1633327514772E+21
Height
10112312.393141