28673985 is an odd 8-digits composite number following 28673984
and preceding 28673986 . In scientific notation, it is written as 2.8673985 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 13764608 positive integers (up to 28673985) that are relatively prime to 28673985.
28673985 has 32 divisors, whose sum is 50699520
The reverse of 28673985 is 58937682
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million six hundred seventy-three thousand nine hundred eighty-five
Scientific notation
2.8673985 × 10^7
Engineering notation
2.8673985 × 10^6
Prime Factorization
3 × 5 × 23 × 17 × 4889
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28673985
Product of the distinct prime numbers
The prime factorization of 28673985 is 3 × 5 × 23 × 17 × 4889.
Since it has a total of 5 prime factors.
1 , 1 , 36 , 95 , 493 , 82 , 1807 , 8117 , 59283 , 28567 , 41836 , 803613 , 3701913 , 4331666 , 70126117 , 4695417 , 56522684 , 796975259 , 1256955783 , 4236811159
n×2
57347970
n×3
86021955
n×4
114695940
n×5
143369925
n÷2
14336992.5
n÷3
9557995
n÷3
7168496.25
n÷5
5734797
n2
822197415780225
n3
2.3575676367121E+22
n4
6.7600859051568E+29
n5
1.9383860184318E+37
2 √n
5354.8095204218
3 √n
306.07605226585
4 √n
73.176564010766
5 √n
31.009703285983
1 , 3 , 5 , 15 , 17 , 23 , 51 , 69 , 85 , 115 , 255 , 345 , 391 , 1173 , 1955 , 4889 , 5865 , 14667 , 24445 , 73335 , 83113 , 112447 , 249339 , 337341 , 415565 , 562235 , 1246695 , 1686705 , 1911599 , 5734797 , 9557995 , 28673985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28673984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28673985 can be divided by 32 positive divisors.
The sum of these divisors (counting 28673985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101011000011111000001
3
Ternary
1222221210022110
4
Quaternary
1231120133001
5
Quinary
24320031420
6
Senary
2502325533
8
Octal
155303701
10
Decimal
28673985
12
Duodecimal
97298a9
16
Hexadecimal
1b587c1
20
Vigesimal
8j44j5
36
Base36
h2kzl
md5
f46f19499996976a510f3f97d72b5ae5
sha1
cef0454ba708028082032d22cdebd1c9350d6e18
sha256
d64ef82ac696e1ec27a67101a70bac7f5821460b79787b6034d6a2bbaed400ea
sha512
bbf3ce339121144604e7e8ab1fdabbf3752db7cf902dea9cab01822b1c9823a43ca11961fa5400acd6199121ca2bb0b673d8959797442efe33bbbb37c5be91f8
ripemd-160
6f97bc75704dee82c050cea3e205f0c100a0c12d
Diameter
57347970
Circumference
180163961.25029
Area
2.5830093612157E+15
Volume
9.875356223781E+22
Surface area
1.0332037444863E+16
Circumference
180163961.25029
Perimeter
114695940
Area
822197415780225
Diagonal
40551138.474283
Surface area
4933184494681350
Volume
2.3575676367121E+22
Space diagonal
49664798.875468
Perimeter
86021955
Area
3.560219244958E+14
Altitude
24832399.437734
Surface area
3.560219244958E+14
Volume
2.7784201050418E+21
Height
13517046.158094