28654321 is an odd 8-digits composite number following 28654320
and preceding 28654322 . In scientific notation, it is written as 2.8654321 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 28611072 positive integers (up to 28654321) that are relatively prime to 28654321.
28654321 has 4 divisors, whose sum is 28697572
The reverse of 28654321 is 12345682
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million six hundred fifty-four thousand three hundred twenty-one
Scientific notation
2.8654321 × 10^7
Engineering notation
2.8654321 × 10^6
Prime Factorization
673 × 42577
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28654321
Product of the distinct prime numbers
The prime factorization of 28654321 is 673 × 42577.
Since it has a total of 2 prime factors.
1 , 3 , 80 , 47 , 397 , 305 , 6711 , 1257 , 94027 , 62402 , 128601 , 316858 , 262806 , 718184 , 92576124 , 57959776 , 508241645 , 263312317 , 3396508619 , 3960274497
n×2
57308642
n×3
85962963
n×4
114617284
n×5
143271605
n÷2
14327160.5
n÷3
9551440.3333333
n÷3
7163580.25
n÷5
5730864.2
n2
821070111971041
n3
2.3527206551924E+22
n4
6.7415612877214E+29
n5
1.9317486117954E+37
2 √n
5352.9730991291
3 √n
306.00606948247
4 √n
73.164015056099
5 √n
31.005448961777
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28654320
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28654321 can be divided by 4 positive divisors.
The sum of these divisors (counting 28654321) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101010011101011110001
3
Ternary
1222220210100011
4
Quaternary
1231103223301
5
Quinary
24313414241
6
Senary
2502054521
8
Octal
155235361
10
Decimal
28654321
12
Duodecimal
971a441
16
Hexadecimal
1b53af1
20
Vigesimal
8j1fg1
36
Base36
h25td
md5
ceb09bfd2e600a1121efdceb80118c43
sha1
897af657b44f98fcf550375ac19429aca480092e
sha256
5965559e798aef66f5e9b713b8885bdac71341a5381d191122c7fe48e25e334a
sha512
13e7a2990811447330e96e4e986d94b4db45d95638a42c410dac89029f02c89c8a24e81b60d8cdea867703776695d4e467df3a15b9237dc506f30550b392e545
ripemd-160
238d3fd383b140991356b523281652345df167f0
Diameter
57308642
Circumference
180040408.69441
Area
2.5794678318504E+15
Volume
9.8550532350686E+22
Surface area
1.0317871327401E+16
Circumference
180040408.69441
Perimeter
114617284
Area
821070111971041
Diagonal
40523329.378792
Surface area
4926420671826246
Volume
2.3527206551924E+22
Space diagonal
49630739.828388
Perimeter
85962963
Area
3.5553378762753E+14
Altitude
24815369.914194
Surface area
3.5553378762753E+14
Volume
2.7727078825404E+21
Height
13507776.459597