20161291 is an odd 8-digits prime number following 20161290
and preceding 20161292 . In scientific notation, it is written as 2.0161291 × 10^7.
The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors.
There are 20161290 positive integers (up to 20161291) that are relatively prime to 20161291.
20161291 has 2 divisors, whose sum is 20161292
The reverse of 20161291 is 19216102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred sixty-one thousand two hundred ninety-one
Scientific notation
2.0161291 × 10^7
Engineering notation
2.0161291 × 10^6
Prime Factorization
20161291
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20161291
Product of the distinct prime numbers
The prime factorization of 20161291 is 20161291.
Since it has a total of 1 prime factors.
7 , 6 , 97 , 81 , 950 , 93 , 7815 , 8124 , 47400 , 23110 , 427223 , 389555 , 4736532 , 8078614 , 17724259 , 63095113 , 26547829 , 558652831 , 5119566090 , 5697370340
n×2
40322582
n×3
60483873
n×4
80645164
n×5
100806455
n÷2
10080645.5
n÷3
6720430.3333333
n÷3
5040322.75
n÷5
4032258.2
n2
406477654786681
n3
8.1951142831518E+21
n4
1.6522408384088E+29
n5
3.3311308345244E+36
2 √n
4490.1326261036
3 √n
272.16949409278
4 √n
67.008451900515
5 √n
28.900387616472
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20161292
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10080646
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4490.1327374589
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999008
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161291 can be divided by 2 positive divisors.
The sum of these divisors (counting 20161291) is 20161292, the average is 10080646.
Base
System
Value
2
Binary
1001100111010001100001011
3
Ternary
1101221022002111
4
Quaternary
1030322030023
5
Quinary
20130130131
6
Senary
2000043151
8
Octal
114721413
10
Decimal
20161291
12
Duodecimal
69034b7
16
Hexadecimal
133a30b
20
Vigesimal
66034b
36
Base36
c04jv
md5
9df0c3c8e6c891b075af211ee59e7182
sha1
3b433eff5b59b12d7d8edd50f84e46adc16bfc0c
sha256
77a0b9c5a2817fd337dfb553d0d0316bd6b8829a2543326b1843cc19cb847721
sha512
03d533d85a498b2856b89bfd1e38ad256bdda91f2add6282ddef742bd8f39d4c1f6e04abe013a6a851ac466d98f350d1e17e68a10bc376b639253619170538c9
ripemd-160
b71ce64aa69af88050ef81057c55c59376380252
Diameter
40322582
Circumference
126677127.38497
Area
1.2769872141262E+15
Volume
3.4327614436371E+22
Surface area
5.107948856505E+15
Circumference
126677127.38497
Perimeter
80645164
Area
406477654786681
Diagonal
28512371.167151
Surface area
2438865928720086
Volume
8.1951142831518E+21
Space diagonal
34920380.358181
Perimeter
60483873
Area
1.7600998755799E+14
Altitude
17460190.179091
Surface area
1.7600998755799E+14
Volume
9.6580348036923E+20
Height
9504123.7223835