28491641 is an odd 8-digits composite number following 28491640
and preceding 28491642 . In scientific notation, it is written as 2.8491641 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 27252852 positive integers (up to 28491641) that are relatively prime to 28491641.
28491641 has 4 divisors, whose sum is 29730432
The reverse of 28491641 is 14619482
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million four hundred ninety-one thousand six hundred forty-one
Scientific notation
2.8491641 × 10^7
Engineering notation
2.8491641 × 10^6
Prime Factorization
23 × 1238767
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28491641
Product of the distinct prime numbers
The prime factorization of 28491641 is 23 × 1238767.
Since it has a total of 2 prime factors.
2 , 2 , 64 , 56 , 89 , 740 , 3130 , 5328 , 96861 , 19130 , 700754 , 733895 , 5836541 , 743834 , 89044955 , 80600796 , 435991481 , 495815587 , 9899751665 , 1345130992
n×2
56983282
n×3
85474923
n×4
113966564
n×5
142458205
n÷2
14245820.5
n÷3
9497213.6666667
n÷3
7122910.25
n÷5
5698328.2
n2
811773606872881
n3
2.3128762180297E+22
n4
6.5897638881541E+29
n5
1.8775318697605E+37
2 √n
5337.7561765221
3 √n
305.42587108378
4 √n
73.059949196
5 √n
30.970163113519
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
-28491640
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 28491641 can be divided by 4 positive divisors.
The sum of these divisors (counting 28491641) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011111101111001
3
Ternary
1222121112011222
4
Quaternary
1230223331321
5
Quinary
24243213031
6
Senary
2454401425
8
Octal
154537571
10
Decimal
28491641
12
Duodecimal
9660275
16
Hexadecimal
1b2bf79
20
Vigesimal
8i1921
36
Base36
gyoah
md5
df3ffea3e9225ad0dd8c777d74ed297c
sha1
39edcfb75bc73dcd240a21fbafd2a81a42c9e52a
sha256
cb951171b16f3e6cb2aba6a23a9208d80718b78e0130e7afd794f8351cb6f06e
sha512
4f3a77585c7415ed22701c6e5b799e8f4b331e943a1cca69c8bc9ae86f52238c175288d06f475310388ac28fb730950508e926f46dd26d38f3be126315866007
ripemd-160
a05147a9680cad19440e55a2451f0e212bbf91bd
Diameter
56983282
Circumference
179018260.10864
Area
2.5502619997299E+15
Volume
9.6881532469663E+22
Surface area
1.020104799892E+16
Circumference
179018260.10864
Perimeter
113966564
Area
811773606872881
Diagonal
40293265.116465
Surface area
4870641641237286
Volume
2.3128762180297E+22
Space diagonal
49348969.803013
Perimeter
85474923
Area
3.5150828283682E+14
Altitude
24674484.901506
Surface area
3.5150828283682E+14
Volume
2.7257507630232E+21
Height
13431088.372155