20127921 is an odd 8-digits composite number following 20127920
and preceding 20127922 . In scientific notation, it is written as 2.0127921 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 11658240 positive integers (up to 20127921) that are relatively prime to 20127921.
20127921 has 16 divisors, whose sum is 28139136
The reverse of 20127921 is 12972102
Previous prime number is 253
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-seven thousand nine hundred twenty-one
Scientific notation
2.0127921 × 10^7
Engineering notation
2.0127921 × 10^6
Prime Factorization
3 × 23 × 253 × 1153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20127921
Product of the distinct prime numbers
The prime factorization of 20127921 is 3 × 23 × 253 × 1153.
Since it has a total of 4 prime factors.
3 , 9 , 34 , 71 , 296 , 816 , 6896 , 2417 , 86562 , 93870 , 80500 , 65641 , 939435 , 6258686 , 94476515 , 32462812 , 469081046 , 766678458 , 5044818350 , 829171223
n×2
40255842
n×3
60383763
n×4
80511684
n×5
100639605
n÷2
10063960.5
n÷3
6709307
n÷3
5031980.25
n÷5
4025584.2
n2
405133203782241
n3
8.1544891202058E+21
n4
1.6413291280686E+29
n5
3.3036543024764E+36
2 √n
4486.415161351
3 √n
272.01925054785
4 √n
66.980707381686
5 √n
28.890814369749
1 , 3 , 23 , 69 , 253 , 759 , 1153 , 3459 , 5819 , 17457 , 26519 , 79557 , 291709 , 875127 , 6709307 , 20127921
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
-20127920
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 20127921 can be divided by 16 positive divisors.
The sum of these divisors (counting 20127921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010000010110001
3
Ternary
1101212121022120
4
Quaternary
1030302002301
5
Quinary
20123043141
6
Senary
1555224453
8
Octal
114620261
10
Decimal
20127921
12
Duodecimal
68a8129
16
Hexadecimal
13320b1
20
Vigesimal
65fjg1
36
Base36
bzesx
md5
5680caded33190f6009abcb802710bf8
sha1
08a5fdb61d4026892eff3a0322704ca61081d394
sha256
a508f5c05f69be12022749c63c48580f53c20b468341542881f7fc809d104243
sha512
fe2d9d8dbda44db792300385bdc544c54bd96623ea9484f8d2606fa63282ed008f41de77050084453affe6d49e5989c6047cbbad0aad6b7e47fafae37929fc2f
ripemd-160
ebf2e421183842d4ba19b7734694a361396d0c05
Diameter
40255842
Circumference
126467457.49127
Area
1.2727634967276E+15
Volume
3.4157444151755E+22
Surface area
5.0910539869103E+15
Circumference
126467457.49127
Perimeter
80511684
Area
405133203782241
Diagonal
28465178.860574
Surface area
2430799222693446
Volume
8.1544891202058E+21
Space diagonal
34862581.822733
Perimeter
60383763
Area
1.75427823196E+14
Altitude
17431290.911366
Surface area
1.75427823196E+14
Volume
9.6101575900158E+20
Height
9488392.9535247