28661372 is an even 8-digits composite number following 28661371
and preceding 28661373 . In scientific notation, it is written as 2.8661372 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 14330684 positive integers (up to 28661372) that are relatively prime to 28661372.
28661372 has 6 divisors, whose sum is 50157408
The reverse of 28661372 is 27316682
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million six hundred sixty-one thousand three hundred seventy-two
Scientific notation
2.8661372 × 10^7
Engineering notation
2.8661372 × 10^6
Prime Factorization
2 × 2 × 7165343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
14330686
Product of the distinct prime numbers
The prime factorization of 28661372 is 2 × 2 × 7165343.
Since it has a total of 3 prime factors.
10 , 3 , 99 , 23 , 6 , 522 , 3727 , 7292 , 5944 , 74800 , 812919 , 915265 , 5809126 , 5552779 , 95782820 , 26161170 , 189369454 , 883112848 , 524315705 , 1155164215
n×2
57322744
n×3
85984116
n×4
114645488
n×5
143306860
n÷2
14330686
n÷3
9553790.6666667
n÷3
7165343
n÷5
5732274.4
n2
821474244922384
n3
2.354457892214E+22
n4
6.748199350708E+29
n5
1.934126519208E+37
2 √n
5353.6316645806
3 √n
306.03116717299
4 √n
73.168515528064
5 √n
31.00697472053
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28661371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28661372 can be divided by 6 positive divisors.
The sum of these divisors (counting 28661372) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101101010101011001111100
3
Ternary
1222221011000022
4
Quaternary
1231111121330
5
Quinary
24314130442
6
Senary
2502151312
8
Octal
155253174
10
Decimal
28661372
12
Duodecimal
9722538
16
Hexadecimal
1b5567c
20
Vigesimal
8j2d8c
36
Base36
h2b98
md5
32de839648639989abdb07c79acd261a
sha1
0a46f2401ca58e51206ad19f1b46fed4173d7eba
sha256
6aebb24677d5e7d1e30076e829cd6d6e783e76ed2c9e3ad510bf36463da9e874
sha512
1bcc513f3d1913220d3d2777a6d0c74f430c07e92c8e728704e4a671620733f89528b4477a37142fbb5a1a2895b96d836d147e0091c02503e92fd9383711d76d
ripemd-160
1af61d69d96451a511c0060f1aa03054ff2cc09e
Diameter
57322744
Circumference
180084711.43401
Area
2.5807374529614E+15
Volume
9.8623301564878E+22
Surface area
1.0322949811846E+16
Circumference
180084711.43401
Perimeter
114645488
Area
821474244922384
Diagonal
40533300.99862
Surface area
4928845469534304
Volume
2.354457892214E+22
Space diagonal
49642952.518632
Perimeter
85984116
Area
3.5570878232871E+14
Altitude
24821476.259316
Surface area
3.5570878232871E+14
Volume
2.7747552360045E+21
Height
13511100.332873