28776978 is an even 8-digits composite number following 28776977
and preceding 28776979 . In scientific notation, it is written as 2.8776978 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 9592308 positive integers (up to 28776978) that are relatively prime to 28776978.
28776978 has 16 divisors, whose sum is 63948960
The reverse of 28776978 is 87967782
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
twenty-eight million seven hundred seventy-six thousand nine hundred seventy-eight
Scientific notation
2.8776978 × 10^7
Engineering notation
2.8776978 × 10^6
Prime Factorization
2 × 9 × 3 × 532907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28776978
Product of the distinct prime numbers
The prime factorization of 28776978 is 2 × 9 × 3 × 532907.
Since it has a total of 4 prime factors.
9 , 4 , 32 , 35 , 987 , 549 , 1506 , 7561 , 77395 , 88524 , 818926 , 208709 , 9758154 , 3826151 , 37410385 , 93687954 , 772273074 , 648522177 , 3446182236 , 1013980244
n×2
57553956
n×3
86330934
n×4
115107912
n×5
143884890
n÷2
14388489
n÷3
9592326
n÷3
7194244.5
n÷5
5755395.6
n2
828114462812484
n3
2.3830631677837E+22
n4
6.8577356351921E+29
n5
1.9734490750374E+37
2 √n
5364.4177689662
3 √n
306.44207537088
4 √n
73.242185719476
5 √n
31.031947864715
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 532907 , 1065814 , 1598721 , 3197442 , 4796163 , 9592326 , 14388489 , 28776978
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
-28776977
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 28776978 can be divided by 16 positive divisors.
The sum of these divisors (counting 28776978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101110001101000010010
3
Ternary
2000011000121000
4
Quaternary
1231301220102
5
Quinary
24331330403
6
Senary
2504442430
8
Octal
155615022
10
Decimal
28776978
12
Duodecimal
9779416
16
Hexadecimal
1b71a12
20
Vigesimal
8jh28i
36
Base36
h4sgi
md5
967b22321b363691533dd1dc1f81d7aa
sha1
9993db9cfc32a887d03c0849e31e458b78f65a2c
sha256
93ec57b32c4e7775e274b55517368283b1ffc083df0ad8c588dbf3f6bfd05911
sha512
48706556e43ebdd5dbe298ca67ee5cabd3ad1995bb34acf9b97b7163c2221781f35c6f2211cb06b07333a4c2959d117313a95857286bc80b23724d77843073af
ripemd-160
32e9afceaf894b6fa0bc2953d2945e4086fa2f61
Diameter
57553956
Circumference
180811085.35463
Area
2.6015983127032E+15
Volume
9.9821516545995E+22
Surface area
1.0406393250813E+16
Circumference
180811085.35463
Perimeter
115107912
Area
828114462812484
Diagonal
40696792.571712
Surface area
4968686776874904
Volume
2.3830631677837E+22
Space diagonal
49843187.984292
Perimeter
86330934
Area
3.5858408101846E+14
Altitude
24921593.992146
Surface area
3.5858408101846E+14
Volume
2.8084668765595E+21
Height
13565597.523904