28999621 is an odd 8-digits composite number following 28999620
and preceding 28999622 . In scientific notation, it is written as 2.8999621 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 24418464 positive integers (up to 28999621) that are relatively prime to 28999621.
28999621 has 16 divisors, whose sum is 34416000
The reverse of 28999621 is 12699982
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million nine hundred ninety-nine thousand six hundred twenty-one
Scientific notation
2.8999621 × 10^7
Engineering notation
2.8999621 × 10^6
Prime Factorization
49 × 59 × 7 × 1433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28999621
Product of the distinct prime numbers
The prime factorization of 28999621 is 49 × 59 × 7 × 1433.
Since it has a total of 4 prime factors.
8 , 9 , 19 , 90 , 458 , 111 , 7730 , 3904 , 32130 , 31924 , 33895 , 966023 , 4296157 , 5144020 , 73291958 , 69821321 , 94330773 , 184608372 , 7395016288 , 3619226891
n×2
57999242
n×3
86998863
n×4
115998484
n×5
144998105
n÷2
14499810.5
n÷3
9666540.3333333
n÷3
7249905.25
n÷5
5799924.2
n2
840978018143641
n3
2.4388043795497E+22
n4
7.0724402700081E+29
n5
2.0509808737537E+37
2 √n
5385.1296177529
3 √n
307.23034416267
4 √n
73.383442395086
5 √n
31.079817818293
1 , 7 , 49 , 59 , 343 , 413 , 1433 , 2891 , 10031 , 20237 , 70217 , 84547 , 491519 , 591829 , 4142803 , 28999621
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
-28999620
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 28999621 can be divided by 16 positive divisors.
The sum of these divisors (counting 28999621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100111111111000101
3
Ternary
2000120100000001
4
Quaternary
1232213333011
5
Quinary
24410441441
6
Senary
2513321301
8
Octal
156477705
10
Decimal
28999621
12
Duodecimal
9866231
16
Hexadecimal
1ba7fc5
20
Vigesimal
914j11
36
Base36
h9k91
md5
25a1c069e4f7b934680427b39334ac65
sha1
ae0a2b514b243ce2509ed55a9f55a61e22cedc26
sha256
ca8e217eb66934ec8ade0582d576b759a1e4180627a24b36d71bb7f95b0f0b1d
sha512
18f2389a16362ef596c918b2f991e33a9ff69b12332e0edc50bbd668fa17ebaa2423af88fb286d96252c5759c72bf5d757b7488bd50f17680a0db43858b6dc78
ripemd-160
2f661fa9567fc953f09df5e3baf9964946fe81a4
Diameter
57999242
Circumference
182209992.58098
Area
2.6420103636306E+15
Volume
1.0215639896448E+23
Surface area
1.0568041454522E+16
Circumference
182209992.58098
Perimeter
115998484
Area
840978018143641
Diagonal
41011657.32188
Surface area
5045868108861846
Volume
2.4388043795497E+22
Space diagonal
50228816.972241
Perimeter
86998863
Area
3.6415416386834E+14
Altitude
25114408.486121
Surface area
3.6415416386834E+14
Volume
2.8741585246117E+21
Height
13670552.440627