287972272 is an even 9-digits composite number following 287972271
and preceding 287972273 . In scientific notation, it is written as 2.87972272 × 10^8.
The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors.
There are 123416640 positive integers (up to 287972272) that are relatively prime to 287972272.
287972272 has 20 divisors, whose sum is 637653136
The reverse of 287972272 is 272279782
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred eighty-seven million nine hundred seventy-two thousand two hundred seventy-two
Scientific notation
2.87972272 × 10^8
Engineering notation
2.87972272 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 2571181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
35996534
Product of the distinct prime numbers
The prime factorization of 287972272 is 2 × 2 × 2 × 2 × 7 × 2571181.
Since it has a total of 6 prime factors.
5 , 2 , 73 , 44 , 203 , 460 , 1976 , 3542 , 15797 , 85806 , 794179 , 775653 , 143938 , 604191 , 59314897 , 7276823 , 127007559 , 622630598 , 5019675782 , 5743326984
n×2
575944544
n×3
863916816
n×4
1151889088
n×5
1439861360
n÷2
143986136
n÷3
95990757.333333
n÷3
71993068
n÷5
57594454.4
n2
82928029440841984
n3
2.3880973050562E+25
n4
6.8770580669412E+33
n5
1.980402036213E+42
2 √n
16969.745784778
3 √n
660.36425561754
4 √n
130.26797682001
5 √n
49.189242496077
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 2571181 , 5142362 , 10284724 , 17998267 , 20569448 , 35996534 , 41138896 , 71993068 , 143986136 , 287972272
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-287972271
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 287972272 can be divided by 20 positive divisors.
The sum of these divisors (counting 287972272) is 1, the average is 0.05.
Base
System
Value
2
Binary
10001001010100001101110110000
3
Ternary
202001212111200201
4
Quaternary
101022201232300
5
Quinary
1042210103042
6
Senary
44324124544
8
Octal
2112415660
10
Decimal
287972272
12
Duodecimal
80536754
16
Hexadecimal
112a1bb0
20
Vigesimal
49jgadc
36
Base36
4rg8ts
md5
cb8f05527c7b1cd47be6c1d6f695a5d7
sha1
a2282aabed8978cd1441ed7290fff50f3759acd5
sha256
86d4431daef7cb5fe17f35834822687340b53ed01294d9e2f04ac19541924fe5
sha512
9d5ccbed843844fcf1c5352ed48cd8c6ce645be3b4dabfcb2e5d226c2629a6fb7efca83556745c86b5dded75ff4924bf89b99c46a739f0d106c19c2db729fae5
ripemd-160
07624b1772fedf7a0a7104fe8f873ace9a076848
Diameter
575944544
Circumference
1809383148.3055
Area
2.6052608806803E+17
Volume
1.0003238599496E+26
Surface area
1.0421043522721E+18
Circumference
1809383148.3055
Perimeter
1151889088
Area
82928029440841984
Diagonal
407254292.64979
Surface area
497568176645051904
Volume
2.3880973050562E+25
Space diagonal
498782606.27504
Perimeter
863916816
Area
3.5908890090776E+16
Altitude
249391303.13752
Surface area
3.5908890090776E+16
Volume
2.8143996642309E+24
Height
135751430.88326