28751488 (number)

28751488 is an even 8-digits composite number following 28751487 and preceding 28751489. In scientific notation, it is written as 2.8751488 × 10^7. The sum of its digits is 43. It has a total of 10 prime factors and 64 positive divisors. There are 13271040 positive integers (up to 28751488) that are relatively prime to 28751488.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-one thousand four hundred eighty-eight

Notation

Scientific notation 2.8751488 × 10^7
Engineering notation 2.8751488 × 10^6

Prime Factorization of 28751488

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 73 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 449242
Product of the distinct prime numbers

The prime factorization of 28751488 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 73 × 181. Since it has a total of 10 prime factors.

Most popular turbo-numbers

1, 9, 98, 93, 5, 245, 773, 488, 81025, 42578, 215189, 977260, 7320972, 2387644, 53043573, 87778848, 439937597, 742757602, 3485342609, 3525221484

Basic calculations (n = 28751488)

Multiplication

n×y
n×2 57502976
n×3 86254464
n×4 115005952
n×5 143757440

Division

n÷y
n÷2 14375744
n÷3 9583829.3333333
n÷3 7187872
n÷5 5750297.6

Exponentiation

ny
n2 826648062214144
n3 2.3767361840973E+22
n4 6.833470187624E+29
n5 1.9647243609783E+37

Nth Root

y√n
2√n 5362.0414023019
3√n 306.35156880961
4√n 73.225961258982
5√n 31.026448435542

Divisors of 28751488

1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 128, 136, 146, 181, 272, 292, 362, 544, 584, 724, 1088, 1168, 1241, 1448, 2176, 2336, 2482, 2896, 3077, 4672, 4964, 5792, 6154, 9344, 9928, 11584, 12308, 13213, 19856, 23168, 24616, 26426, 39712, 49232, 52852, 79424, 98464, 105704, 158848, 196928, 211408, 224621, 393856, 422816, 449242, 845632, 898484, 1691264, 1796968, 3593936, 7187872, 14375744, 28751488

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28751487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28751488 can be divided by 64 positive divisors. The sum of these divisors (counting 28751488) is 1, the average is 0.015625.

Base conversion 28751488

Base System Value
2 Binary 1101101101011011010000000
3 Ternary 2000002201121221
4 Quaternary 1231223122000
5 Quinary 24330021423
6 Senary 2504124424
8 Octal 155533200
10 Decimal 28751488
12 Duodecimal 9766714
16 Hexadecimal 1b6b680
20 Vigesimal 8jdie8
36 Base36 h48sg

Cryptographic Hash Functions

md5 fdb22329b17c3c234454c9d500486948
sha1 fd7d96fd371004e169a632e045f2a65d738a731a
sha256 f80028ec70a52253ff27432c21de9052a3b2e4b5ec2070546eafe73605620637
sha512 eca66714b2d49a442667e4ca914d7c1e78286c0656af74992a455937c8aa63dfa8c0f31fccf021baa3ae9217c2ec1781ff9720af7886f635796d5ae32ed6426e
ripemd-160 0b4da9c678f04fdbf99800b58b95dcfc5da8fd71

28751488 as geometric shapes

Circle

Radius = n
Diameter 57502976
Circumference 180650926.96115
Area 2.5969914793562E+15

Sphere

Radius = n
Volume 9.9556492473082E+22
Surface area 1.0387965917425E+16
Circumference 180650926.96115

Square

Length = n
Perimeter 115005952
Area 826648062214144
Diagonal 40660744.268007

Cube

Length = n
Surface area 4959888373284864
Volume 2.3767361840973E+22
Space diagonal 49799038.009207

Equilateral Triangle

Length = n
Perimeter 86254464
Area 3.5794911093331E+14
Altitude 24899519.004603

Triangular Pyramid

Length = n
Surface area 3.5794911093331E+14
Volume 2.8010104547778E+21
Height 13553581.422669