28984986 is an even 8-digits composite number following 28984985
and preceding 28984987 . In scientific notation, it is written as 2.8984986 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 9237888 positive integers (up to 28984986) that are relatively prime to 28984986.
28984986 has 32 divisors, whose sum is 49593600
The reverse of 28984986 is 68948982
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
twenty-eight million nine hundred eighty-four thousand nine hundred eighty-six
Scientific notation
2.8984986 × 10^7
Engineering notation
2.8984986 × 10^6
Prime Factorization
2 × 111 × 9 × 163 × 89
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28984986
Product of the distinct prime numbers
The prime factorization of 28984986 is 2 × 111 × 9 × 163 × 89.
Since it has a total of 5 prime factors.
6 , 10 , 48 , 60 , 572 , 220 , 2114 , 7362 , 51373 , 56426 , 639251 , 439333 , 6524395 , 1982192 , 83934622 , 24531571 , 379483424 , 99127164 , 5781718321 , 5941883589
n×2
57969972
n×3
86954958
n×4
115939944
n×5
144924930
n÷2
14492493
n÷3
9661662
n÷3
7246246.5
n÷5
5796997.2
n2
840129413420196
n3
2.4351139286173E+22
n4
7.0581743129376E+29
n5
2.0458108364606E+37
2 √n
5383.7706117553
3 √n
307.17865299663
4 √n
73.374182187983
5 √n
31.076680225699
1 , 2 , 9 , 18 , 89 , 111 , 163 , 178 , 222 , 326 , 801 , 999 , 1467 , 1602 , 1998 , 2934 , 9879 , 14507 , 18093 , 19758 , 29014 , 36186 , 88911 , 130563 , 162837 , 177822 , 261126 , 325674 , 1610277 , 3220554 , 14492493 , 28984986
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
-28984985
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 28984986 can be divided by 32 positive divisors.
The sum of these divisors (counting 28984986) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110100100011010011010
3
Ternary
2000112120221000
4
Quaternary
1232210122122
5
Quinary
24410004421
6
Senary
2513125430
8
Octal
156443232
10
Decimal
28984986
12
Duodecimal
9859876
16
Hexadecimal
1ba469a
20
Vigesimal
913296
36
Base36
h98yi
md5
f2506d34a34d062e52241745981a4d5b
sha1
10a5c1e7ee737363d309eaef8fb40fb9afcbbba6
sha256
b0a940afefb10624bcb64003b4337d9825a0a9a33aa3d5d687b518813edba8aa
sha512
ae7dc8c83a02e6f54dbff4ef32fa48cd2c5575132c21058f7731ade9bcbfe336724c39df3b9fd877d94d2c823f7a92f855b9b85682991291d2b225754d768bba
ripemd-160
0836bd2c78983e30d40bd51b8d3739fa30414fde
Diameter
57969972
Circumference
182118038.16401
Area
2.6393443932656E+15
Volume
1.0200181371731E+23
Surface area
1.0557377573062E+16
Circumference
182118038.16401
Perimeter
115939944
Area
840129413420196
Diagonal
40990960.306394
Surface area
5040776480521176
Volume
2.4351139286173E+22
Space diagonal
50203468.408673
Perimeter
86954958
Area
3.637867072442E+14
Altitude
25101734.204336
Surface area
3.637867072442E+14
Volume
2.8698092864785E+21
Height
13663653.435465