28995887 is an odd 8-digits prime number following 28995886
and preceding 28995888 . In scientific notation, it is written as 2.8995887 × 10^7.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 28995886 positive integers (up to 28995887) that are relatively prime to 28995887.
28995887 has 2 divisors, whose sum is 28995888
The reverse of 28995887 is 78859982
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 56 Digital Root 2
Name
twenty-eight million nine hundred ninety-five thousand eight hundred eighty-seven
Scientific notation
2.8995887 × 10^7
Engineering notation
2.8995887 × 10^6
Prime Factorization
28995887
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28995887 Product of the distinct prime numbers
The prime factorization of 28995887 is 28995887.
Since it has a total of 1 prime factors.
4 , 2 , 36 , 3 , 261 , 481 , 5567 , 2957 , 86856 , 11001 , 33892 , 556994 , 3661514 , 2539687 , 12181403 , 72055732 , 760127692 , 376928108 , 1005607992 , 6480106650
n×2
57991774
n×3
86987661
n×4
115983548
n×5
144979435
n÷2
14497943.5
n÷3
9665295.6666667
n÷3
7248971.75
n÷5
5799177.4
n2
840761462916769
n3
2.4378624372689E+22
n4
7.0687983752595E+29
n5
2.0496607891481E+37
2 √n5384.7829111302
3 √n307.21715723922
4 √n73.38108006244
5 √n31.079017407712
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28995888 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14497944 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5384.7830039845 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999310247 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28995887 can be divided by 2 positive divisors.
The sum of these divisors (counting 28995887) is 28995888, the average is 14497944.
Base
System
Value
2
Binary
1101110100111000100101111
3
Ternary
2000120010212202
4
Quaternary
1232213010233
5
Quinary
24410332022
6
Senary
2513252115
8
Octal
156470457
10
Decimal
28995887
12
Duodecimal
986403b
16
Hexadecimal
1ba712f
20
Vigesimal
9149e7
36
Base36
h9hdb
md5
e19faef437bd79de2245fe2f14ccbb4e
sha1
124ddc2ea9ffbf0aa2e6d5b2661cb9b19ca8db45
sha256
85d5aea669d757a2d56a3103a2852570f23e7f9edf9bd6da4701e70a89fdeb4f
sha512
dfd6b4d5faa3a4abf2f632689f573741d077f42dbc52faedb925c47c6e211571470f807d50120e9a99ddbf1f804e482227f57e56e0e266e54063057de7f9cba9
ripemd-160
524abb7172d7ed39736356c3d30333db439c4064
Diameter
57991774
Circumference
182186531.16704
Area
2.6413300353207E+15
Volume
1.0211694297849E+23
Surface area
1.0565320141283E+16
Circumference
182186531.16704
Perimeter
115983548
Area
840761462916769
Diagonal
41006376.648438
Surface area
5044568777500614
Volume
2.4378624372689E+22
Space diagonal
50222349.494526
Perimeter
86987661
Area
3.6406039270445E+14
Altitude
25111174.747263
Surface area
3.6406039270445E+14
Volume
2.873048434988E+21
Height
13668792.216146