21490877 is an odd 8-digits prime number following 21490876
and preceding 21490878 . In scientific notation, it is written as 2.1490877 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 21490876 positive integers (up to 21490877) that are relatively prime to 21490877.
21490877 has 2 divisors, whose sum is 21490878
The reverse of 21490877 is 77809412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety thousand eight hundred seventy-seven
Scientific notation
2.1490877 × 10^7
Engineering notation
2.1490877 × 10^6
Prime Factorization
21490877
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21490877
Product of the distinct prime numbers
The prime factorization of 21490877 is 21490877.
Since it has a total of 1 prime factors.
7 , 7 , 40 , 53 , 942 , 285 , 4602 , 7577 , 54918 , 17609 , 144903 , 819765 , 398772 , 8592553 , 75451396 , 63216422 , 173311385 , 874019428 , 2066238299 , 2153925515
n×2
42981754
n×3
64472631
n×4
85963508
n×5
107454385
n÷2
10745438.5
n÷3
7163625.6666667
n÷3
5372719.25
n÷5
4298175.4
n2
461857794229129
n3
9.9257290472695E+21
n4
2.133126220902E+29
n5
4.5842753238879E+36
2 √n
4635.8253849773
3 √n
278.0255527467
4 √n
68.086895838901
5 √n
29.271894263172
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21490878
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10745439
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4635.825492833
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999069373
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490877 can be divided by 2 positive divisors.
The sum of these divisors (counting 21490877) is 21490878, the average is 10745439.
Base
System
Value
2
Binary
1010001111110110010111101
3
Ternary
1111102211221102
4
Quaternary
1101332302331
5
Quinary
21000202002
6
Senary
2044342445
8
Octal
121766275
10
Decimal
21490877
12
Duodecimal
7244a25
16
Hexadecimal
147ecbd
20
Vigesimal
6e673h
36
Base36
csmgt
md5
d8899be0d8f31b9bb2438c8df794e17f
sha1
2abfd0740ae264172ab77c06e5f078aea9aca779
sha256
1c830430bdf03e11b5eaaa0e4e412d1ff346530ded1d44e97418fa40b1fdde49
sha512
05b37232acd60135235560ecc80f878048b499cee1787f400623c6217d4d91adcd512d50437f4e74e775d2a2c7079733e765d185f318f3377f511c2ad6af0c28
ripemd-160
5df4cfdb768124a78755ac58d1143e8b2912f5cd
Diameter
42981754
Circumference
135031162.6048
Area
1.4509690533534E+15
Volume
4.1576796608566E+22
Surface area
5.8038762134137E+15
Circumference
135031162.6048
Perimeter
85963508
Area
461857794229129
Diagonal
30392689.720692
Surface area
2771146765374774
Volume
9.9257290472695E+21
Space diagonal
37223290.863213
Perimeter
64472631
Area
1.9999029136914E+14
Altitude
18611645.431607
Surface area
1.9999029136914E+14
Volume
1.1697583862574E+21
Height
10130896.573564