20142721 is an odd 8-digits prime number following 20142720
and preceding 20142722 . In scientific notation, it is written as 2.0142721 × 10^7.
The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors.
There are 20142720 positive integers (up to 20142721) that are relatively prime to 20142721.
20142721 has 2 divisors, whose sum is 20142722
The reverse of 20142721 is 12724102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred forty-two thousand seven hundred twenty-one
Scientific notation
2.0142721 × 10^7
Engineering notation
2.0142721 × 10^6
Prime Factorization
20142721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20142721
Product of the distinct prime numbers
The prime factorization of 20142721 is 20142721.
Since it has a total of 1 prime factors.
8 , 3 , 93 , 31 , 392 , 957 , 4241 , 4656 , 42816 , 82656 , 369142 , 637131 , 8762248 , 8760099 , 98174384 , 59735948 , 245530412 , 670275211 , 7246157595 , 480093644
n×2
40285442
n×3
60428163
n×4
80570884
n×5
100713605
n÷2
10071360.5
n÷3
6714240.3333333
n÷3
5035680.25
n÷5
4028544.2
n2
405729209283841
n3
8.172490264155E+21
n4
1.6461619126609E+29
n5
3.3158180127555E+36
2 √n
4488.0642820708
3 √n
272.08590585999
4 √n
66.993016666447
5 √n
28.895061786535
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20142722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10071361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4488.0643934774
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999007086
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20142721 can be divided by 2 positive divisors.
The sum of these divisors (counting 20142721) is 20142722, the average is 10071361.
Base
System
Value
2
Binary
1001100110101101010000001
3
Ternary
1101220100121201
4
Quaternary
1030311222001
5
Quinary
20124031341
6
Senary
1555421201
8
Octal
114655201
10
Decimal
20142721
12
Duodecimal
68b4801
16
Hexadecimal
1335a81
20
Vigesimal
65hgg1
36
Base36
bzq81
md5
a2102db69f7705688883b2535dabb919
sha1
d5427dec9b226135efc19d825b2fae6893074725
sha256
2c2a27c6d8d4954b1eb7e44d75614ce226ee70c0e4c59bebf5d1418390c13f5c
sha512
fc32a4831c9bf07ce637fb2b56e9d485a250b8eb623faaf06e7deb0821be4167f28374ea02b3897f8a2f294d90cf53b42d4088c4b75eb12e32b802841321d430
ripemd-160
5b9c5a0d2ca7ed2e2590794b15c0bf0597a5acb2
Diameter
40285442
Circumference
126560448.63382
Area
1.2746359032329E+15
Volume
3.4232847167205E+22
Surface area
5.0985436129316E+15
Circumference
126560448.63382
Perimeter
80570884
Area
405729209283841
Diagonal
28486109.221297
Surface area
2434375255703046
Volume
8.172490264155E+21
Space diagonal
34888216.174685
Perimeter
60428163
Area
1.7568590114859E+14
Altitude
17444108.087342
Surface area
1.7568590114859E+14
Volume
9.6313721416084E+20
Height
9495369.7404325