28491641 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-one thousand six hundred forty-one

Notation

Scientific notation 2.8491641 × 10^7
Engineering notation 2.8491641 × 10^6

Prime Factorization of 28491641

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.

Most popular turbo-numbers

Basic calculations (n = 28491641)

Multiplication

n×y
n×2 56983282
n×3 85474923
n×4 113966564
n×5 142458205

Division

n÷y
n÷2 14245820.5
n÷3 9497213.6666667
n÷3 7122910.25
n÷5 5698328.2

Exponentiation

ny
n2 811773606872881
n3 2.3128762180297E+22
n4 6.5897638881541E+29
n5 1.8775318697605E+37

Nth Root

y√n
2√n 5337.7561765221
3√n 305.42587108378
4√n 73.059949196
5√n 30.970163113519

Divisors of 28491641

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 conversion 28491641

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

Cryptographic Hash Functions

md5 df3ffea3e9225ad0dd8c777d74ed297c
sha1 39edcfb75bc73dcd240a21fbafd2a81a42c9e52a
sha256 cb951171b16f3e6cb2aba6a23a9208d80718b78e0130e7afd794f8351cb6f06e
sha512 4f3a77585c7415ed22701c6e5b799e8f4b331e943a1cca69c8bc9ae86f52238c175288d06f475310388ac28fb730950508e926f46dd26d38f3be126315866007
ripemd-160 a05147a9680cad19440e55a2451f0e212bbf91bd

28491641 as geometric shapes

Circle

Radius = n
Diameter 56983282
Circumference 179018260.10864
Area 2.5502619997299E+15

Sphere

Radius = n
Volume 9.6881532469663E+22
Surface area 1.020104799892E+16
Circumference 179018260.10864

Square

Length = n
Perimeter 113966564
Area 811773606872881
Diagonal 40293265.116465

Cube

Length = n
Surface area 4870641641237286
Volume 2.3128762180297E+22
Space diagonal 49348969.803013

Equilateral Triangle

Length = n
Perimeter 85474923
Area 3.5150828283682E+14
Altitude 24674484.901506

Triangular Pyramid

Length = n
Surface area 3.5150828283682E+14
Volume 2.7257507630232E+21
Height 13431088.372155