28742922 is an even 8-digits composite number following 28742921
and preceding 28742923 . In scientific notation, it is written as 2.8742922 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 8843904 positive integers (up to 28742922) that are relatively prime to 28742922.
28742922 has 16 divisors, whose sum is 51590280
The reverse of 28742922 is 22924782
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million seven hundred forty-two thousand nine hundred twenty-two
Scientific notation
2.8742922 × 10^7
Engineering notation
2.8742922 × 10^6
Prime Factorization
2 × 9 × 13 × 122833
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28742922
Product of the distinct prime numbers
The prime factorization of 28742922 is 2 × 9 × 13 × 122833.
Since it has a total of 4 prime factors.
9 , 6 , 6 , 69 , 331 , 729 , 847 , 8501 , 1295 , 64820 , 330319 , 487973 , 5398145 , 9195335 , 33291582 , 32797227 , 849870540 , 878465938 , 506125561 , 8415771525
n×2
57485844
n×3
86228766
n×4
114971688
n×5
143714610
n÷2
14371461
n÷3
9580974
n÷3
7185730.5
n÷5
5748584.4
n2
826155565098084
n3
2.374612496748E+22
n4
6.8253301774253E+29
n5
1.9617993291398E+37
2 √n
5361.2425798503
3 √n
306.32114176767
4 √n
73.220506552811
5 √n
31.024599458294
1 , 2 , 9 , 13 , 18 , 26 , 117 , 234 , 122833 , 245666 , 1105497 , 1596829 , 2210994 , 3193658 , 14371461 , 28742922
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
-28742921
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 28742922 can be divided by 16 positive divisors.
The sum of these divisors (counting 28742922) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101001010100001010
3
Ternary
2000002021212200
4
Quaternary
1231221110022
5
Quinary
24324233142
6
Senary
2504021030
8
Octal
155512412
10
Decimal
28742922
12
Duodecimal
9761776
16
Hexadecimal
1b6950a
20
Vigesimal
8jch62
36
Base36
h426i
md5
fe05859b6e7cab5be1aba36639bf9873
sha1
7abfd6bde2f98b805f6bf3e35b23759e8227b75c
sha256
09e446e0c2994a1bef82d2681ba04497aa84e241a0a19adede9f820b7f033cba
sha512
5817411a50ef1d83dfb67bfcd85a930f5da7e2c2a3d835c9baea10f1ea986bd427953bd668269efaa8a00b20b822e765436d7078d7687d8bea445d75bb3ce5ce
ripemd-160
659c637c1fca57c912bc2ceb7be44ecde5e450ac
Diameter
57485844
Circumference
180597105.19581
Area
2.5954442540345E+15
Volume
9.9467535665414E+22
Surface area
1.0381777016138E+16
Circumference
180597105.19581
Perimeter
114971688
Area
826155565098084
Diagonal
40648630.114632
Surface area
4956933390588504
Volume
2.374612496748E+22
Space diagonal
49784201.261989
Perimeter
86228766
Area
3.5773585342641E+14
Altitude
24892100.630995
Surface area
3.5773585342641E+14
Volume
2.7985076652347E+21
Height
13549543.371544