21272561 is an odd 8-digits prime number following 21272560
and preceding 21272562 . In scientific notation, it is written as 2.1272561 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 21272560 positive integers (up to 21272561) that are relatively prime to 21272561.
21272561 has 2 divisors, whose sum is 21272562
The reverse of 21272561 is 16527212
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million two hundred seventy-two thousand five hundred sixty-one
Scientific notation
2.1272561 × 10^7
Engineering notation
2.1272561 × 10^6
Prime Factorization
21272561
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21272561
Product of the distinct prime numbers
The prime factorization of 21272561 is 21272561.
Since it has a total of 1 prime factors.
1 , 1 , 18 , 58 , 752 , 452 , 7598 , 1826 , 65582 , 70309 , 476583 , 969975 , 6233214 , 9089412 , 95041624 , 30654989 , 756978987 , 469770449 , 8736670248 , 7777805098
n×2
42545122
n×3
63817683
n×4
85090244
n×5
106362805
n÷2
10636280.5
n÷3
7090853.6666667
n÷3
5318140.25
n÷5
4254512.2
n2
452521851498721
n3
9.6262986898395E+21
n4
2.0477602608383E+29
n5
4.3561105062059E+36
2 √n
4612.2186635068
3 √n
277.08090187752
4 √n
67.91331727656
5 √n
29.212179160459
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21272562
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10636281
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4612.2187719144
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999059822
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21272561 can be divided by 2 positive divisors.
The sum of these divisors (counting 21272561) is 21272562, the average is 10636281.
Base
System
Value
2
Binary
1010001001001011111110001
3
Ternary
1111000202110122
4
Quaternary
1101021133301
5
Quinary
20421210221
6
Senary
2035540025
8
Octal
121113761
10
Decimal
21272561
12
Duodecimal
715a615
16
Hexadecimal
14497f1
20
Vigesimal
6cj181
36
Base36
cny0h
md5
f4e5c41abfcec6ad54752cd993a6fd8e
sha1
276ada2a23bca87dd8843be6b7c00804c9f0cda1
sha256
c1bd5c5292d5aecf4c13119ba2161a1c8b00d5d040b746f36a2ae5fda8e02d1e
sha512
8264e4eb3fd9b2c1f6bba496b8c97cd9a1dd919c19ed9a29470933f52b7d9d91db4fa20c819cc9e71ec8565bc291088e63825678a5a1ab8fb9af139ce7758b57
ripemd-160
dc230f2fb01cb5578c6b5a14a91731137dc30082
Diameter
42545122
Circumference
133659442.72128
Area
1.4216393242572E+15
Volume
4.0322545660348E+22
Surface area
5.6865572970289E+15
Circumference
133659442.72128
Perimeter
85090244
Area
452521851498721
Diagonal
30083944.272609
Surface area
2715131108992326
Volume
9.6262986898395E+21
Space diagonal
36845156.459108
Perimeter
63817683
Area
1.9594770958273E+14
Altitude
18422578.229554
Surface area
1.9594770958273E+14
Volume
1.1344701802188E+21
Height
10027981.424203