287121427 is an odd 9-digits prime number following 287121426
and preceding 287121428 . In scientific notation, it is written as 2.87121427 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 287121426 positive integers (up to 287121427) that are relatively prime to 287121427.
287121427 has 2 divisors, whose sum is 287121428
The reverse of 287121427 is 724121782
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred eighty-seven million one hundred twenty-one thousand four hundred twenty-seven
Scientific notation
2.87121427 × 10^8
Engineering notation
2.87121427 × 10^6
Prime Factorization
287121427
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
287121427
Product of the distinct prime numbers
The prime factorization of 287121427 is 287121427.
Since it has a total of 1 prime factors.
4 , 2 , 1 , 3 , 972 , 263 , 9823 , 7054 , 60853 , 2710 , 521944 , 870834 , 4744111 , 7724101 , 96792184 , 16318461 , 169113656 , 297529081 , 5510056256 , 755848070
n×2
574242854
n×3
861364281
n×4
1148485708
n×5
1435607135
n÷2
143560713.5
n÷3
95707142.333333
n÷3
71780356.75
n÷5
57424285.4
n2
82438713842516329
n3
2.3669921158508E+25
n4
6.7961415400083E+33
n5
1.9513178570612E+42
2 √n
16944.657771699
3 √n
659.71324166475
4 √n
130.17164734188
5 √n
49.160141102671
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
287121428
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
143560714
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
16944.657801207
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999930343
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 287121427 can be divided by 2 positive divisors.
The sum of these divisors (counting 287121427) is 287121428, the average is 143560714.
Base
System
Value
2
Binary
10001000111010010000000010011
3
Ternary
202000021021112221
4
Quaternary
101013102000103
5
Quinary
1042000341202
6
Senary
44254001511
8
Octal
2107220023
10
Decimal
287121427
12
Duodecimal
801a6297
16
Hexadecimal
111d2013
20
Vigesimal
49ea3b7
36
Base36
4qy0b7
md5
61797a884052cad0546998d6beb29933
sha1
06d400666dff107bfb0ee2a8fb74ff4ebb27f586
sha256
e7831967570a12a6af12f7475a39ee2ac536a6431f34a494cbeae0c7ca8913d4
sha512
982502fd2ff06e40df6f983e3ad7399f14efe3202bff2a088e571892c2ff0461521639c73bde3f09d3f9d0bde4be010919b7265732c40535b50a26845dfd7f79
ripemd-160
a39301ec4b3ffe9030195cf2d35f4e6d2195d5a0
Diameter
574242854
Circumference
1804037131.5028
Area
2.5898885777904E+17
Volume
9.9148333896824E+25
Surface area
1.0359554311162E+18
Circumference
1804037131.5028
Perimeter
1148485708
Area
82438713842516329
Diagonal
406051016.11132
Surface area
494632283055097974
Volume
2.3669921158508E+25
Space diagonal
497308899.50568
Perimeter
861364281
Area
3.5697010221468E+16
Altitude
248654449.75284
Surface area
3.5697010221468E+16
Volume
2.789526960222E+24
Height
135350338.70377