20451270 is an even 8-digits composite number following 20451269
and preceding 20451271 . In scientific notation, it is written as 2.0451270 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 4674528 positive integers (up to 20451270) that are relatively prime to 20451270.
20451270 has 32 divisors, whose sum is 56095488
The reverse of 20451270 is 07215402
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred fifty-one thousand two hundred seventy
Scientific notation
2.0451270 × 10^7
Engineering notation
2.0451270 × 10^6
Prime Factorization
2 × 3 × 5 × 7 × 97387
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20451270
Product of the distinct prime numbers
The prime factorization of 20451270 is 2 × 3 × 5 × 7 × 97387.
Since it has a total of 5 prime factors.
4 , 10 , 49 , 59 , 80 , 269 , 2431 , 6316 , 5771 , 77550 , 344409 , 624156 , 6596446 , 2062019 , 90107727 , 22692785 , 821886285 , 152102504 , 6531109034 , 7377254830
n×2
40902540
n×3
61353810
n×4
81805080
n×5
102256350
n÷2
10225635
n÷3
6817090
n÷3
5112817.5
n÷5
4090254
n2
418254444612900
n3
8.5538345754785E+21
n4
1.7493678043845E+29
n5
3.5776793296774E+36
2 √n
4522.3080390438
3 √n
273.4681551155
4 √n
67.248108070367
5 √n
28.983048026012
1 , 2 , 3 , 5 , 6 , 7 , 10 , 14 , 15 , 21 , 30 , 35 , 42 , 70 , 105 , 210 , 97387 , 194774 , 292161 , 486935 , 584322 , 681709 , 973870 , 1363418 , 1460805 , 2045127 , 2921610 , 3408545 , 4090254 , 6817090 , 10225635 , 20451270
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20451269
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20451270 can be divided by 32 positive divisors.
The sum of these divisors (counting 20451270) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110000000111111000110
3
Ternary
1102111000212110
4
Quaternary
1032000333012
5
Quinary
20213420040
6
Senary
2010201450
8
Octal
116007706
10
Decimal
20451270
12
Duodecimal
6a23286
16
Hexadecimal
1380fc6
20
Vigesimal
67g83a
36
Base36
c6cau
md5
84a6fe4514e74e157388c77f488759cf
sha1
b8e83f133389aa06f494c07eb7af18a8c1c92a89
sha256
8da52f142d1dceab8046dc9adfd2465498b0ab0ee5cec84b5fc417964df10e8b
sha512
dffaec738fd1c0a24c7b728f8f589cab8c6c2eebf39f26dd447e638906a41b94aae058a0c288a12336d194424b720ae7944ff52e935a32d1b27820f75c0dd669
ripemd-160
0217ed6e692d15893e096984f72c981eb113d99f
Diameter
40902540
Circumference
128499119.17716
Area
1.3139850905272E+15
Volume
3.5830218483127E+22
Surface area
5.2559403621087E+15
Circumference
128499119.17716
Perimeter
81805080
Area
418254444612900
Diagonal
28922463.401754
Surface area
2509526667677400
Volume
8.5538345754785E+21
Space diagonal
35422638.719309
Perimeter
61353810
Area
1.8110948714026E+14
Altitude
17711319.359655
Surface area
1.8110948714026E+14
Volume
1.0080790722448E+21
Height
9640821.133918