28881982 is an even 8-digits composite number following 28881981
and preceding 28881983 . In scientific notation, it is written as 2.8881982 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 14013720 positive integers (up to 28881982) that are relatively prime to 28881982.
28881982 has 16 divisors, whose sum is 44618112
The reverse of 28881982 is 28918882
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million eight hundred eighty-one thousand nine hundred eighty-two
Scientific notation
2.8881982 × 10^7
Engineering notation
2.8881982 × 10^6
Prime Factorization
2 × 43 × 167 × 2011
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28881982
Product of the distinct prime numbers
The prime factorization of 28881982 is 2 × 43 × 167 × 2011.
Since it has a total of 4 prime factors.
3 , 6 , 64 , 47 , 195 , 883 , 4351 , 3465 , 34200 , 19463 , 640069 , 992525 , 1599690 , 7072906 , 16124494 , 83758904 , 463667571 , 213663087 , 5240031538 , 2115028139
n×2
57763964
n×3
86645946
n×4
115527928
n×5
144409910
n÷2
14440991
n÷3
9627327.3333333
n÷3
7220495.5
n÷5
5776396.4
n2
834168884248324
n3
2.409245069982E+22
n4
6.9583772744809E+29
n5
2.0097172719077E+37
2 √n
5374.1959398593
3 √n
306.81434732241
4 √n
73.308907643337
5 √n
31.054561310148
1 , 2 , 43 , 86 , 167 , 334 , 2011 , 4022 , 7181 , 14362 , 86473 , 172946 , 335837 , 671674 , 14440991 , 28881982
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
-28881981
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 28881982 can be divided by 16 positive divisors.
The sum of these divisors (counting 28881982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110001011010000111110
3
Ternary
2000100100122001
4
Quaternary
1232023100332
5
Quinary
24343210412
6
Senary
2511012514
8
Octal
156132076
10
Decimal
28881982
12
Duodecimal
980a13a
16
Hexadecimal
1b8b43e
20
Vigesimal
90a4j2
36
Base36
h71ha
md5
1f298cd24aafca001ec101fb8f3374ac
sha1
4d0dd2f626abeaa9635dc18a45e9853bdf146251
sha256
701218935606762596f68f97ffbb6552a6bc1de957b418f39bba1f9323d025aa
sha512
c71e327586605534b068800e30bd87173ea4fd0bd7ac95655e961fca07567f3a7f40de4a1a3b6b8c4ade351df9f9b49a5cac892e951c6e18d9762cb6c5a2a9e4
ripemd-160
f408f3b94c5307d361612ca0558e8938b73436ef
Diameter
57763964
Circumference
181470844.94463
Area
2.6206188386077E+15
Volume
1.0091822150071E+23
Surface area
1.0482475354431E+16
Circumference
181470844.94463
Perimeter
115527928
Area
834168884248324
Diagonal
40845290.652616
Surface area
5005013305489944
Volume
2.409245069982E+22
Space diagonal
50025060.24729
Perimeter
86645946
Area
3.6120572240278E+14
Altitude
25012530.123645
Surface area
3.6120572240278E+14
Volume
2.8393225442076E+21
Height
13615096.884205