287974842 is an even 9-digits composite number following 287974841
and preceding 287974843 . In scientific notation, it is written as 2.87974842 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 95454992 positive integers (up to 287974842) that are relatively prime to 287974842.
287974842 has 16 divisors, whose sum is 579169440
The reverse of 287974842 is 248479782
Previous prime number is 179
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred eighty-seven million nine hundred seventy-four thousand eight hundred forty-two
Scientific notation
2.87974842 × 10^8
Engineering notation
2.87974842 × 10^6
Prime Factorization
2 × 3 × 179 × 268133
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
287974842
Product of the distinct prime numbers
The prime factorization of 287974842 is 2 × 3 × 179 × 268133.
Since it has a total of 4 prime factors.
7 , 10 , 11 , 66 , 791 , 101 , 4974 , 6847 , 678 , 42821 , 357309 , 972340 , 3764174 , 2048177 , 22338329 , 96553968 , 933250361 , 732611430 , 853350287 , 7421434375
n×2
575949684
n×3
863924526
n×4
1151899368
n×5
1439874210
n÷2
143987421
n÷3
95991614
n÷3
71993710.5
n÷5
57594968.4
n2
82929509624924964
n3
2.3881612431375E+25
n4
6.8773035666305E+33
n5
1.9804904079865E+42
2 √n
16969.821507606
3 √n
660.36622007877
4 √n
130.26826746221
5 √n
49.189330293351
1 , 2 , 3 , 6 , 179 , 358 , 537 , 1074 , 268133 , 536266 , 804399 , 1608798 , 47995807 , 95991614 , 143987421 , 287974842
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
-287974841
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 287974842 can be divided by 16 positive divisors.
The sum of these divisors (counting 287974842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001001010100010010110111010
3
Ternary
202001212122012220
4
Quaternary
101022202112322
5
Quinary
1042210143332
6
Senary
44324144510
8
Octal
2112422672
10
Decimal
287974842
12
Duodecimal
80538136
16
Hexadecimal
112a25ba
20
Vigesimal
49jgh22
36
Base36
4rgat6
md5
e5fd74ef59e1a792a1df7645e71387e6
sha1
5a61687e290b401d85ccedb2c4a8db5e058838bf
sha256
523d26b0b025e8572719766e25055d73b059ee917dd82955cd6efb7f67e16cc8
sha512
0c3d8443d1f3a6806c7dc1788e2a767b7fe3487cc050f10e3c52362ca9b53f205920962dd7e347b98bdd544994a64fcac5fe3ff9aa8546ff041cf85e6003123e
ripemd-160
c33458212e2fa602708fef39aa05ae403b7260d6
Diameter
575949684
Circumference
1809399296.0918
Area
2.6053073820347E+17
Volume
1.0003506422705E+26
Surface area
1.0421229528139E+18
Circumference
1809399296.0918
Perimeter
1151899368
Area
82929509624924964
Diagonal
407257927.17865
Surface area
497577057749549784
Volume
2.3881612431375E+25
Space diagonal
498787057.64562
Perimeter
863924526
Area
3.5909531029286E+16
Altitude
249393528.82281
Surface area
3.5909531029286E+16
Volume
2.8144750159824E+24
Height
135752642.39288