28754987 is an odd 8-digits prime number following 28754986
and preceding 28754988 . In scientific notation, it is written as 2.8754987 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 28754986 positive integers (up to 28754987) that are relatively prime to 28754987.
28754987 has 2 divisors, whose sum is 28754988
The reverse of 28754987 is 78945782
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million seven hundred fifty-four thousand nine hundred eighty-seven
Scientific notation
2.8754987 × 10^7
Engineering notation
2.8754987 × 10^6
Prime Factorization
28754987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28754987
Product of the distinct prime numbers
The prime factorization of 28754987 is 28754987.
Since it has a total of 1 prime factors.
1 , 3 , 6 , 61 , 143 , 731 , 2453 , 371 , 63582 , 67266 , 329631 , 945850 , 6382447 , 1470219 , 83752624 , 67614330 , 620722631 , 21487588 , 7782259846 , 5226673664
n×2
57509974
n×3
86264961
n×4
115019948
n×5
143774935
n÷2
14377493.5
n÷3
9584995.6666667
n÷3
7188746.75
n÷5
5750997.4
n2
826849277370169
n3
2.3776040221739E+22
n4
6.8367972748757E+29
n5
1.9659201676069E+37
2 √n
5362.3676673649
3 √n
306.36399576827
4 √n
73.228189021475
5 √n
31.027203570433
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28754988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14377494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5362.3677606072
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999304468
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28754987 can be divided by 2 positive divisors.
The sum of these divisors (counting 28754987) is 28754988, the average is 14377494.
Base
System
Value
2
Binary
1101101101100010000101011
3
Ternary
2000002220102112
4
Quaternary
1231230100223
5
Quinary
24330124422
6
Senary
2504152535
8
Octal
155542053
10
Decimal
28754987
12
Duodecimal
976874b
16
Hexadecimal
1b6c42b
20
Vigesimal
8je797
36
Base36
h4bhn
md5
c6e039642ee0f2d981442b27708b4b9b
sha1
41220666f32db5235e9eeaa20d7e7bcda554a050
sha256
2d69ca955e813f77836e2d5c3000fb2a03e53aa12fc60d43ac07d9c2dc5a4762
sha512
e86e6398695b739ad96efcdb547dfacffcc12abb08ac47362da9904e8d505c8a76f48be6810c83b7de11659e270667dd96d5f29a8264343ee70be9162fc49374
ripemd-160
1353560643eb318e5ba47fa87f352b7e2f5e49fe
Diameter
57509974
Circumference
180672911.82654
Area
2.5976236154122E+15
Volume
9.9592844389426E+22
Surface area
1.0390494461649E+16
Circumference
180672911.82654
Perimeter
115019948
Area
826849277370169
Diagonal
40665692.601262
Surface area
4961095664221014
Volume
2.3776040221739E+22
Space diagonal
49805098.454983
Perimeter
86264961
Area
3.5803623965169E+14
Altitude
24902549.227491
Surface area
3.5803623965169E+14
Volume
2.8020332117592E+21
Height
13555230.867087