28471018 is an even 8-digits composite number following 28471017
and preceding 28471019 . In scientific notation, it is written as 2.8471018 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 13867200 positive integers (up to 28471018) that are relatively prime to 28471018.
28471018 has 16 divisors, whose sum is 43825320
The reverse of 28471018 is 81017482
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million four hundred seventy-one thousand eighteen
Scientific notation
2.8471018 × 10^7
Engineering notation
2.8471018 × 10^6
Prime Factorization
2 × 109 × 61 × 2141
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28471018
Product of the distinct prime numbers
The prime factorization of 28471018 is 2 × 109 × 61 × 2141.
Since it has a total of 4 prime factors.
1 , 4 , 23 , 36 , 948 , 542 , 2264 , 6173 , 4545 , 35498 , 536828 , 593491 , 3955176 , 6296557 , 11292959 , 18173925 , 340175798 , 508762609 , 5587565566 , 3089968265
n×2
56942036
n×3
85413054
n×4
113884072
n×5
142355090
n÷2
14235509
n÷3
9490339.3333333
n÷3
7117754.5
n÷5
5694203.6
n2
810598865956324
n3
2.3078574903422E+22
n4
6.5707052148968E+29
n5
1.8707466644602E+37
2 √n
5335.8240225855
3 √n
305.35216153395
4 √n
73.046724927169
5 √n
30.965678410958
1 , 2 , 61 , 109 , 122 , 218 , 2141 , 4282 , 6649 , 13298 , 130601 , 233369 , 261202 , 466738 , 14235509 , 28471018
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
-28471017
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 28471018 can be divided by 16 positive divisors.
The sum of these divisors (counting 28471018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100100110111011101010
3
Ternary
1222120110220011
4
Quaternary
1230212323222
5
Quinary
24242033033
6
Senary
2454122134
8
Octal
154467352
10
Decimal
28471018
12
Duodecimal
965034a
16
Hexadecimal
1b26eea
20
Vigesimal
8hihai
36
Base36
gy8dm
md5
fc78c405011c4014c25dab0b45c02b3c
sha1
c7842093cd89d1e94f9a4ce537d0718540c33fab
sha256
aa723053b8f29d2542c0183c1010e002d2679e62e266ee2fbf1ddc3c8c17040b
sha512
e70f0d40dfb0b553323d9b3741b26ce957019b7e253ca4e97c50f6960a339d1aacadc36375ef09990156742b820e45fb522474e5f1146853ea879f2db20a5dcf
ripemd-160
3e27626d7bb41b4320b4649274fdfa31d87dd629
Diameter
56942036
Circumference
178888681.97805
Area
2.5465714422966E+15
Volume
9.6671308495883E+22
Surface area
1.0186285769186E+16
Circumference
178888681.97805
Perimeter
113884072
Area
810598865956324
Diagonal
40264099.790169
Surface area
4863593195737944
Volume
2.3078574903422E+22
Space diagonal
49313249.719208
Perimeter
85413054
Area
3.5099960509852E+14
Altitude
24656624.859604
Surface area
3.5099960509852E+14
Volume
2.7198361357219E+21
Height
13421366.596723