28991612 is an even 8-digits composite number following 28991611
and preceding 28991613 . In scientific notation, it is written as 2.8991612 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 24 positive divisors.
There are 13376688 positive integers (up to 28991612) that are relatively prime to 28991612.
28991612 has 24 divisors, whose sum is 54978000
The reverse of 28991612 is 21619982
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million nine hundred ninety-one thousand six hundred twelve
Scientific notation
2.8991612 × 10^7
Engineering notation
2.8991612 × 10^6
Prime Factorization
2 × 2 × 13 × 13 × 13 × 3299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
85774
Product of the distinct prime numbers
The prime factorization of 28991612 is 2 × 2 × 13 × 13 × 13 × 3299.
Since it has a total of 6 prime factors.
6 , 8 , 32 , 51 , 813 , 997 , 5655 , 4357 , 87653 , 39713 , 543559 , 919541 , 5233096 , 9162720 , 62611253 , 16051498 , 352714367 , 265652276 , 9244792014 , 6808956339
n×2
57983224
n×3
86974836
n×4
115966448
n×5
144958060
n÷2
14495806
n÷3
9663870.6666667
n÷3
7247903
n÷5
5798322.4
n2
840513566358544
n3
2.4367843196603E+22
n4
7.0646305523276E+29
n5
2.0481502789643E+37
2 √n
5384.3859445623
3 √n
307.20205834034
4 √n
73.378375183444
5 √n
31.07810092852
1 , 2 , 4 , 13 , 26 , 52 , 169 , 338 , 676 , 2197 , 3299 , 4394 , 6598 , 8788 , 13196 , 42887 , 85774 , 171548 , 557531 , 1115062 , 2230124 , 7247903 , 14495806 , 28991612
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28991611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28991612 can be divided by 24 positive divisors.
The sum of these divisors (counting 28991612) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110100110000001111100
3
Ternary
2000112221000102
4
Quaternary
1232212001330
5
Quinary
24410212422
6
Senary
2513220232
8
Octal
156460174
10
Decimal
28991612
12
Duodecimal
9861678
16
Hexadecimal
1ba607c
20
Vigesimal
913j0c
36
Base36
h9e2k
md5
224c1b1685412f940dec76b8d5622e58
sha1
9a336f5a2e654bd009ec242c31051a362d3deb7b
sha256
cceab581ae3489a5307b9af232c68eae5ff85e8f8bde1aa5a2f2ea803b5288e8
sha512
ce6b9bfaf4282cbc16e8f30b8ea23096d61f3d9bb55a12beac431932e5e72edb6975bebd6baa796a23610c936c9b7320e3a66ad5ea8c770a6a1d7e58883f75be
ripemd-160
d9d864d99872a65512ad4eafc67f71522efa2621
Diameter
57983224
Circumference
182159670.54985
Area
2.6405512453146E+15
Volume
1.020717828937E+23
Surface area
1.0562204981258E+16
Circumference
182159670.54985
Perimeter
115966448
Area
840513566358544
Diagonal
41000330.885459
Surface area
5043081398151264
Volume
2.4367843196603E+22
Space diagonal
50214944.977324
Perimeter
86974836
Area
3.6395305034598E+14
Altitude
25107472.488662
Surface area
3.6395305034598E+14
Volume
2.8717778612014E+21
Height
13666776.96182