21551275 is an odd 8-digits composite number following 21551274
and preceding 21551276 . In scientific notation, it is written as 2.1551275 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 17172000 positive integers (up to 21551275) that are relatively prime to 21551275.
21551275 has 12 divisors, whose sum is 26830624
The reverse of 21551275 is 57215512
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred fifty-one thousand two hundred seventy-five
Scientific notation
2.1551275 × 10^7
Engineering notation
2.1551275 × 10^6
Prime Factorization
5 × 5 × 271 × 3181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4310255
Product of the distinct prime numbers
The prime factorization of 21551275 is 5 × 5 × 271 × 3181.
Since it has a total of 4 prime factors.
3 , 2 , 55 , 6 , 970 , 943 , 9736 , 9232 , 38933 , 3212 , 505856 , 144138 , 8801179 , 4655923 , 67884836 , 50477558 , 40003981 , 602931425 , 3029543838 , 8651334909
n×2
43102550
n×3
64653825
n×4
86205100
n×5
107756375
n÷2
10775637.5
n÷3
7183758.3333333
n÷3
5387818.75
n÷5
4310255
n2
464457454125625
n3
1.0009650319661E+22
n4
2.1572072669286E+29
n5
4.6490567041576E+36
2 √n
4642.3350805387
3 √n
278.2857636402
4 √n
68.134683389142
5 √n
29.288328955334
1 , 5 , 25 , 271 , 1355 , 3181 , 6775 , 15905 , 79525 , 862051 , 4310255 , 21551275
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551274
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551275 can be divided by 12 positive divisors.
The sum of these divisors (counting 21551275) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001101100010101011
3
Ternary
1111112220210101
4
Quaternary
1102031202223
5
Quinary
21004120100
6
Senary
2045530231
8
Octal
122154253
10
Decimal
21551275
12
Duodecimal
7273977
16
Hexadecimal
148d8ab
20
Vigesimal
6edi3f
36
Base36
ctx2j
md5
064276e360f5d09b1a1366af547b1fa0
sha1
9ea28726276bdac672c4303de064f55366cb0b19
sha256
e164256435d2033993cb733ab7fd76b793a13ee290f4834c01dc1ad4ec0cbd73
sha512
d437945b2cce03cde93199f71b7ff963aef5a1b56c21f214882d046277569af9a38d957fdd5a30f57488ad676c08e64a873cfe0489009b3670ed9ec8c874720b
ripemd-160
3605df849ece070bcfd79aaf0134d88f634f4cbe
Diameter
43102550
Circumference
135410654.43099
Area
1.4591361257861E+15
Volume
4.1928325212334E+22
Surface area
5.8365445031443E+15
Circumference
135410654.43099
Perimeter
86205100
Area
464457454125625
Diagonal
30478105.391432
Surface area
2786744724753750
Volume
1.0009650319661E+22
Space diagonal
37327903.267889
Perimeter
64653825
Area
2.0111597712492E+14
Altitude
18663951.633944
Surface area
2.0111597712492E+14
Volume
1.1796486030564E+21
Height
10159368.463811