28821492 (number)

28821492 is an even 8-digits composite number following 28821491 and preceding 28821493. In scientific notation, it is written as 2.8821492 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 8234640 positive integers (up to 28821492) that are relatively prime to 28821492.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand four hundred ninety-two

Notation

Scientific notation 2.8821492 × 10^7
Engineering notation 2.8821492 × 10^6

Prime Factorization of 28821492

Prime Factorization 2 × 2 × 9 × 7 × 114371

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14410746
Product of the distinct prime numbers

The prime factorization of 28821492 is 2 × 2 × 9 × 7 × 114371. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 83, 64, 773, 128, 8036, 2773, 22977, 99921, 935864, 487622, 7577980, 2620826, 1721467, 98230229, 393861999, 226978833, 5687250408, 3366241158

Basic calculations (n = 28821492)

Multiplication

n×y
n×2 57642984
n×3 86464476
n×4 115285968
n×5 144107460

Division

n÷y
n÷2 14410746
n÷3 9607164
n÷3 7205373
n÷5 5764298.4

Exponentiation

ny
n2 830678401106064
n3 2.3941390892051E+22
n4 6.9002660606413E+29
n5 1.9887596306464E+37

Nth Root

y√n
2√n 5368.5651714401
3√n 306.60000178717
4√n 73.270493184092
5√n 31.041542355235

Divisors of 28821492

1, 2, 4, 7, 9, 14, 18, 28, 36, 63, 126, 252, 114371, 228742, 457484, 800597, 1029339, 1601194, 2058678, 3202388, 4117356, 7205373, 14410746, 28821492

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821491
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821492 can be divided by 24 positive divisors. The sum of these divisors (counting 28821492) is 1, the average is 0.041666666666667.

Base conversion 28821492

Base System Value
2 Binary 1101101111100011111110100
3 Ternary 2000020021122200
4 Quaternary 1231330133310
5 Quinary 24334241432
6 Senary 2505424500
8 Octal 155743764
10 Decimal 28821492
12 Duodecimal 979b130
16 Hexadecimal 1b7c7f4
20 Vigesimal 902dec
36 Base36 h5qt0

Cryptographic Hash Functions

md5 e10e68c4105753c341125bd40a24c2cb
sha1 91711af4fcabcc30bd57a5bb89fe1f009008a6dd
sha256 e9d44fdf3b51020dbf053a0a41fab0b9115eb93e756e0c512419c8dfaf20b138
sha512 8e80012d714e09d09643f75a94d54282ea956244cd21dfb9702c644974e3771d6fd3ec7dfa1fa8886e0f2a233cd54053d2ec1dd6053bd5de1437ff98ac7b1b5b
ripemd-160 77c5ef5520d7113d8ec7a0cd3801e8606f015d68

28821492 as geometric shapes

Circle

Radius = n
Diameter 57642984
Circumference 181090775.06539
Area 2.6096531624105E+15

Sphere

Radius = n
Volume 1.0028546365759E+23
Surface area 1.0438612649642E+16
Circumference 181090775.06539

Square

Length = n
Perimeter 115285968
Area 830678401106064
Diagonal 40759744.874228

Cube

Length = n
Surface area 4984070406636384
Volume 2.3941390892051E+22
Space diagonal 49920288.49394

Equilateral Triangle

Length = n
Perimeter 86464476
Area 3.5969429886645E+14
Altitude 24960144.24697

Triangular Pyramid

Length = n
Surface area 3.5969429886645E+14
Volume 2.8215199751345E+21
Height 13586581.624743