420161281 is an odd 9-digits prime number following 420161280
and preceding 420161282 . In scientific notation, it is written as 4.20161281 × 10^8.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 420161280 positive integers (up to 420161281) that are relatively prime to 420161281.
420161281 has 2 divisors, whose sum is 420161282
The reverse of 420161281 is 182161024
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 25 Digital Root 7
Name
four hundred twenty million one hundred sixty-one thousand two hundred eighty-one
Scientific notation
4.20161281 × 10^8
Engineering notation
4.20161281 × 10^6
Prime Factorization
420161281
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
420161281 Product of the distinct prime numbers
The prime factorization of 420161281 is 420161281.
Since it has a total of 1 prime factors.
8 , 2 , 2 , 9 , 537 , 934 , 7157 , 1648 , 5234 , 27670 , 270849 , 823394 , 6775971 , 4765319 , 2512475 , 8888241 , 326159071 , 150207960 , 4770443462 , 2217739804
n×2
840322562
n×3
1260483843
n×4
1680645124
n×5
2100806405
n÷2
210080640.5
n÷3
140053760.33333
n÷3
105040320.25
n÷5
84032256.2
n2
176535502051560961
n3
7.4173382683962E+25
n4
3.1164783484597E+34
n5
1.3094235350976E+43
2 √n20497.836007735
3 √n748.98308461546
4 √n143.17065344453
5 √n53.04973339909
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
420161282 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
210080641 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
20497.836032128 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999952399 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 420161281 can be divided by 2 positive divisors.
The sum of these divisors (counting 420161281) is 420161282, the average is 210080641.
Base
System
Value
2
Binary
11001000010110010011100000001
3
Ternary
1002021121101220221
4
Quaternary
121002302130001
5
Quinary
1330030130111
6
Senary
105405303041
8
Octal
3102623401
10
Decimal
420161281
12
Duodecimal
b8864a81
16
Hexadecimal
190b2701
20
Vigesimal
6b60341
36
Base36
6y5iip
md5
286acc912b24964648d3797042dfd434
sha1
78a69d5f07ff7b529e3165127e28ba0cf02c49ae
sha256
ce30fd918fe8224d0391557ed5c42cd99255350b1600073c06ee5b1ba988e32b
sha512
ddd822145e07cb41c988424baab60707a1d307bf48d5069ff861e5051a0cdb8431b7136a4fc00c00a94f9fc84966617c093ecd2e820514d4107ff4d163c1eff6
ripemd-160
fc43c79b83db261ff67e301d06377f217321c2ef
Diameter
840322562
Circumference
2639951187.425
Area
5.5460263634297E+17
Volume
3.1069673884245E+26
Surface area
2.2184105453719E+18
Circumference
2639951187.425
Perimeter
1680645124
Area
176535502051560961
Diagonal
594197781.97425
Surface area
1059213012309365766
Volume
7.4173382683962E+25
Space diagonal
727740686.06522
Perimeter
1260483843
Area
7.6442114723246E+16
Altitude
363870343.03261
Surface area
7.6442114723246E+16
Volume
8.7414169798957E+24
Height
198065927.32475