287996965 is an odd 9-digits composite number following 287996964
and preceding 287996966 . In scientific notation, it is written as 2.87996965 × 10^8.
The sum of its digits is 61. It has a total of 4 prime factors and 16 positive divisors.
There are 209424384 positive integers (up to 287996965) that are relatively prime to 287996965.
287996965 has 16 divisors, whose sum is 364230720
The reverse of 287996965 is 569699782
Previous prime number is 2491
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
two hundred eighty-seven million nine hundred ninety-six thousand nine hundred sixty-five
Scientific notation
2.87996965 × 10^8
Engineering notation
2.87996965 × 10^6
Prime Factorization
5 × 19 × 2491 × 1217
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
287996965
Product of the distinct prime numbers
The prime factorization of 287996965 is 5 × 19 × 2491 × 1217.
Since it has a total of 4 prime factors.
6 , 5 , 34 , 39 , 45 , 527 , 6843 , 3639 , 70328 , 39514 , 803463 , 829184 , 8940029 , 10078 , 63932060 , 269069 , 363490325 , 312456103 , 8197158839 , 636913434
n×2
575993930
n×3
863990895
n×4
1151987860
n×5
1439984825
n÷2
143998482.5
n÷3
95998988.333333
n÷3
71999241.25
n÷5
57599393
n2
82942251849211225
n3
2.3887116802838E+25
n4
6.879417141818E+33
n5
1.9812512578126E+42
2 √n
16970.473328697
3 √n
660.38313001402
4 √n
130.27076927959
5 √n
49.190086041393
1 , 5 , 19 , 95 , 1217 , 2491 , 6085 , 12455 , 23123 , 47329 , 115615 , 236645 , 3031547 , 15157735 , 57599393 , 287996965
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-287996964
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 287996965 can be divided by 16 positive divisors.
The sum of these divisors (counting 287996965) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001001010100111110000100101
3
Ternary
202001220202120021
4
Quaternary
101022213300211
5
Quinary
1042211400330
6
Senary
44324435141
8
Octal
2112476045
10
Decimal
287996965
12
Duodecimal
80548ab1
16
Hexadecimal
112a7c25
20
Vigesimal
49jjc85
36
Base36
4rgrvp
md5
c287e8dbab26beea46347574d8f66562
sha1
af77b9d7e55eebf7574f827ea21eb6fbd8347b7b
sha256
8efd88f0301b974676d0c4d5da9744666b8c33874dc3aa2e893fc770cbce1444
sha512
be9620d8ca798b6fcc43638958be3f754c3e8ca58b4dd1d5f426c42976e9842243de5066eb06fbba378c2ccfdc5d2ad0f83a5c66f9caa7955d76e3d40abf83c1
ripemd-160
db3925a92d2e944e7899f4ad173b1465db8eecfa
Diameter
575993930
Circumference
1809538299.0003
Area
2.6057076908168E+17
Volume
1.0005812088432E+26
Surface area
1.0422830763267E+18
Circumference
1809538299.0003
Perimeter
1151987860
Area
82942251849211225
Diagonal
407289213.82529
Surface area
497653511095267350
Volume
2.3887116802838E+25
Space diagonal
498825375.80564
Perimeter
863990895
Area
3.5915048574252E+16
Altitude
249412687.90282
Surface area
3.5915048574252E+16
Volume
2.8151237123804E+24
Height
135763071.2751