28921884 (number)

28921884 is an even 8-digits composite number following 28921883 and preceding 28921885. In scientific notation, it is written as 2.8921884 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 9329520 positive integers (up to 28921884) that are relatively prime to 28921884.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred twenty-one thousand eight hundred eighty-four

Notation

Scientific notation 2.8921884 × 10^7
Engineering notation 2.8921884 × 10^6

Prime Factorization of 28921884

Prime Factorization 2 × 2 × 3 × 31 × 77747

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14460942
Product of the distinct prime numbers

The prime factorization of 28921884 is 2 × 2 × 3 × 31 × 77747. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 28, 52, 401, 69, 569, 4516, 79928, 96060, 193691, 333762, 8113387, 5340986, 88740476, 39354635, 143367035, 557651990, 9767186268, 2965093159

Basic calculations (n = 28921884)

Multiplication

n×y
n×2 57843768
n×3 86765652
n×4 115687536
n×5 144609420

Division

n÷y
n÷2 14460942
n÷3 9640628
n÷3 7230471
n÷5 5784376.8

Exponentiation

ny
n2 836475374109456
n3 2.419244373885E+22
n4 6.9969105149155E+29
n5 2.0236383427077E+37

Nth Root

y√n
2√n 5377.9070278316
3√n 306.95557577086
4√n 73.334214578405
5√n 31.063137279053

Divisors of 28921884

1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 77747, 155494, 233241, 310988, 466482, 932964, 2410157, 4820314, 7230471, 9640628, 14460942, 28921884

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 -28921883
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 28921884 can be divided by 24 positive divisors. The sum of these divisors (counting 28921884) is 1, the average is 0.041666666666667.

Base conversion 28921884

Base System Value
2 Binary 1101110010101000000011100
3 Ternary 2000102101100220
4 Quaternary 1232111000130
5 Quinary 24401000014
6 Senary 2511521340
8 Octal 156250034
10 Decimal 28921884
12 Duodecimal 9829250
16 Hexadecimal 1b9501c
20 Vigesimal 90f4e4
36 Base36 h7w9o

Cryptographic Hash Functions

md5 e91cb389434aead92a487abc7c9a847c
sha1 01cf3f60702e0ec797c632653099b824e88db267
sha256 e9d4f69d43cfa411af9c906b08036d011a76b541074f0f8765397237dabd892a
sha512 d99630d0b662546e37e3bcdf7b0bf0a8fc79e4c57ea3cbd6b2f94a66830169ee556b3a9ed08faa58bddb2796d613295c3e77a2566da171601fea8298be06616e
ripemd-160 926a46f4c47ef7ad1c23df2c52b786fc010d16f2

28921884 as geometric shapes

Circle

Radius = n
Diameter 57843768
Circumference 181721556.60475
Area 2.627864890211E+15

Sphere

Radius = n
Volume 1.0133707136314E+23
Surface area 1.0511459560844E+16
Circumference 181721556.60475

Square

Length = n
Perimeter 115687536
Area 836475374109456
Diagonal 40901720.602181

Cube

Length = n
Surface area 5018852244656736
Volume 2.419244373885E+22
Space diagonal 50094172.538613

Equilateral Triangle

Length = n
Perimeter 86765652
Area 3.6220446180944E+14
Altitude 25047086.269307

Triangular Pyramid

Length = n
Surface area 3.6220446180944E+14
Volume 2.8511068368692E+21
Height 13633906.867394