21253078 is an even 8-digits composite number following 21253077
and preceding 21253079 . In scientific notation, it is written as 2.1253078 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8280360 positive integers (up to 21253078) that are relatively prime to 21253078.
21253078 has 16 divisors, whose sum is 39746304
The reverse of 21253078 is 87035212
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million two hundred fifty-three thousand seventy-eight
Scientific notation
2.1253078 × 10^7
Engineering notation
2.1253078 × 10^6
Prime Factorization
2 × 7 × 11 × 138007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21253078
Product of the distinct prime numbers
The prime factorization of 21253078 is 2 × 7 × 11 × 138007.
Since it has a total of 4 prime factors.
6 , 3 , 38 , 68 , 645 , 549 , 140 , 166 , 89294 , 42392 , 262638 , 838197 , 6720443 , 7473107 , 24531154 , 52511503 , 245725697 , 589903495 , 3037323886 , 95192785
n×2
42506156
n×3
63759234
n×4
85012312
n×5
106265390
n÷2
10626539
n÷3
7084359.3333333
n÷3
5313269.5
n÷5
4250615.6
n2
451693324474084
n3
9.599873457127E+21
n4
2.0402685937445E+29
n5
4.3361987563802E+36
2 √n
4610.1060725324
3 √n
276.99628557883
4 √n
67.89776191107
5 √n
29.206826260016
1 , 2 , 7 , 11 , 14 , 22 , 77 , 154 , 138007 , 276014 , 966049 , 1518077 , 1932098 , 3036154 , 10626539 , 21253078
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
-21253077
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 21253078 can be divided by 16 positive divisors.
The sum of these divisors (counting 21253078) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000100101111010110
3
Ternary
1110222202202001
4
Quaternary
1101010233112
5
Quinary
20420044303
6
Senary
2035305514
8
Octal
121045726
10
Decimal
21253078
12
Duodecimal
714b29a
16
Hexadecimal
1444bd6
20
Vigesimal
6cgcdi
36
Base36
cniza
md5
9ee53921bd88dd49eedf193a703da293
sha1
143913c733b99069d30a34c25698b252a376647e
sha256
b8ac7fde51942297a04d7566195d5a328f5fc2d577438cc5f0101227f5a1fe7c
sha512
3e99fd105ebb0170fd9dc9b6b57b7fae1ab86f2d878a33d9d5ecaf5d397f83b514c0b3f62f751f889df49b4e8a08a4100da98dc7b65dec44fac3ac12b61eed9f
ripemd-160
c3cb286296204909ac5792bafb4be01d56398347
Diameter
42506156
Circumference
133537027.42194
Area
1.4190364298433E+15
Volume
4.0211855904403E+22
Surface area
5.6761457193733E+15
Circumference
133537027.42194
Perimeter
85012312
Area
451693324474084
Diagonal
30056391.149773
Surface area
2710159946844504
Volume
9.599873457127E+21
Space diagonal
36811410.913224
Perimeter
63759234
Area
1.955889468572E+14
Altitude
18405705.456612
Surface area
1.955889468572E+14
Volume
1.1313559366779E+21
Height
10018797.049924