28997688 (number)

28997688 is an even 8-digits composite number following 28997687 and preceding 28997689. In scientific notation, it is written as 2.8997688 × 10^7. The sum of its digits is 57. It has a total of 5 prime factors and 16 positive divisors. There are 9665888 positive integers (up to 28997688) that are relatively prime to 28997688.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-seven thousand six hundred eighty-eight

Notation

Scientific notation 2.8997688 × 10^7
Engineering notation 2.8997688 × 10^6

Prime Factorization of 28997688

Prime Factorization 2 × 2 × 2 × 3 × 1208237

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7249422
Product of the distinct prime numbers

The prime factorization of 28997688 is 2 × 2 × 2 × 3 × 1208237. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 100, 95, 623, 73, 765, 2233, 60718, 51657, 215988, 524068, 4425244, 6603231, 32137091, 878156, 131133386, 417903900, 959174054, 766939612

Basic calculations (n = 28997688)

Multiplication

n×y
n×2 57995376
n×3 86993064
n×4 115990752
n×5 144988440

Division

n÷y
n÷2 14498844
n÷3 9665896
n÷3 7249422
n÷5 5799537.6

Exponentiation

ny
n2 840865909345344
n3 2.4383167289033E+22
n4 7.0705547749917E+29
n5 2.0502974135212E+37

Nth Root

y√n
2√n 5384.9501390449
3√n 307.22351775792
4√n 73.382219502036
5√n 31.079403475707

Divisors of 28997688

1, 2, 3, 4, 6, 8, 12, 24, 1208237, 2416474, 3624711, 4832948, 7249422, 9665896, 14498844, 28997688

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28997687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28997688 can be divided by 16 positive divisors. The sum of these divisors (counting 28997688) is 1, the average is 0.0625.

Base conversion 28997688

Base System Value
2 Binary 1101110100111100000111000
3 Ternary 2000120020100110
4 Quaternary 1232213200320
5 Quinary 24410411223
6 Senary 2513304320
8 Octal 156474070
10 Decimal 28997688
12 Duodecimal 98650a0
16 Hexadecimal 1ba7838
20 Vigesimal 914e48
36 Base36 h9irc

Cryptographic Hash Functions

md5 538fc78ee3abdd625554a828345a4646
sha1 5bedc5b286843ab38754b8a6aa592845fb755a17
sha256 6ed2f1446bf81cb0ec19be6801e475840d611bc70ba0e14b676c6e2ad1f99e95
sha512 e197cc01f724d50bfebe5dba600f905a08185e8bda139d7866e85a5f0f5df937856fdd910eb66f7f582640a1bae1555c3098f3fa2319b0f7c33487730b194349
ripemd-160 1bbd097cfb204e3c3daad95a51c8a6afd49d632d

28997688 as geometric shapes

Circle

Radius = n
Diameter 57995376
Circumference 182197847.18378
Area 2.6416581634534E+15

Sphere

Radius = n
Volume 1.0213597230197E+23
Surface area 1.0566632653814E+16
Circumference 182197847.18378

Square

Length = n
Perimeter 115990752
Area 840865909345344
Diagonal 41008923.647064

Cube

Length = n
Surface area 5045195456072064
Volume 2.4383167289033E+22
Space diagonal 50225468.91803

Equilateral Triangle

Length = n
Perimeter 86993064
Area 3.6410561933469E+14
Altitude 25112734.459015

Triangular Pyramid

Length = n
Surface area 3.6410561933469E+14
Volume 2.8735838228135E+21
Height 13669641.215688