28161488 is an even 8-digits composite number following 28161487
and preceding 28161489 . In scientific notation, it is written as 2.8161488 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 13968864 positive integers (up to 28161488) that are relatively prime to 28161488.
28161488 has 20 divisors, whose sum is 54996480
The reverse of 28161488 is 88416182
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million one hundred sixty-one thousand four hundred eighty-eight
Scientific notation
2.8161488 × 10^7
Engineering notation
2.8161488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 127 × 13859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3520186
Product of the distinct prime numbers
The prime factorization of 28161488 is 2 × 2 × 2 × 2 × 127 × 13859.
Since it has a total of 6 prime factors.
3 , 10 , 85 , 43 , 544 , 77 , 7900 , 6382 , 50985 , 41167 , 164943 , 993384 , 2175547 , 223421 , 20922764 , 53795492 , 159898331 , 694966311 , 2544277637 , 2058970851
n×2
56322976
n×3
84484464
n×4
112645952
n×5
140807440
n÷2
14080744
n÷3
9387162.6666667
n÷3
7040372
n÷5
5632297.6
n2
793069406374144
n3
2.2334014570773E+22
n4
6.2895908332664E+29
n5
1.7712423677594E+37
2 √n
5306.7398654918
3 √n
304.24155547227
4 √n
72.847373772098
5 √n
30.898053418473
1 , 2 , 4 , 8 , 16 , 127 , 254 , 508 , 1016 , 2032 , 13859 , 27718 , 55436 , 110872 , 221744 , 1760093 , 3520186 , 7040372 , 14080744 , 28161488
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
-28161487
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 28161488 can be divided by 20 positive divisors.
The sum of these divisors (counting 28161488) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101011011011010111010000
3
Ternary
1221222202022002
4
Quaternary
1223123113100
5
Quinary
24202131423
6
Senary
2443333132
8
Octal
153332720
10
Decimal
28161488
12
Duodecimal
95211a8
16
Hexadecimal
1adb5d0
20
Vigesimal
8g03e8
36
Base36
grljk
md5
02c6eaef3e751b6eb2e0597f597323a7
sha1
eb48d145976be1edcb45c652a68f0ffe7a1070bb
sha256
c540a17fa64f6a3413266cd0f27103ca8914c138b06ed69bedc370a4fa67a209
sha512
d5cf6072c5de17985bab18e8df363c174df215931550ee8277b33b538425f95750979dd6e34127ba4e535c9176ec6e31e58f99882666d9a23afbf6e71a2dbf30
ripemd-160
05f8def61b1097bf1b29a16f57c40a11edad7e39
Diameter
56322976
Circumference
176943847.62991
Area
2.4915010208518E+15
Volume
9.3552501467609E+22
Surface area
9.9660040834073E+15
Circumference
176943847.62991
Perimeter
112645952
Area
793069406374144
Diagonal
39826358.266207
Surface area
4758416438244864
Volume
2.2334014570773E+22
Space diagonal
48777128.032741
Perimeter
84484464
Area
3.4340912644213E+14
Altitude
24388564.016371
Surface area
3.4340912644213E+14
Volume
2.6320888590187E+21
Height
13275452.755402