28993968 (number)

28993968 is an even 8-digits composite number following 28993967 and preceding 28993969. In scientific notation, it is written as 2.8993968 × 10^7. The sum of its digits is 54. It has a total of 8 prime factors and 80 positive divisors. There are 9085440 positive integers (up to 28993968) that are relatively prime to 28993968.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-three thousand nine hundred sixty-eight

Notation

Scientific notation 2.8993968 × 10^7
Engineering notation 2.8993968 × 10^6

Prime Factorization of 28993968

Prime Factorization 2 × 2 × 2 × 2 × 9 × 29 × 53 × 131

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3624246
Product of the distinct prime numbers

The prime factorization of 28993968 is 2 × 2 × 2 × 2 × 9 × 29 × 53 × 131. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 2, 60, 12, 103, 702, 2546, 2104, 11197, 38842, 472482, 137714, 3384202, 1667288, 91398704, 192094, 555171810, 421989214, 7184391284, 7449336500

Basic calculations (n = 28993968)

Multiplication

n×y
n×2 57987936
n×3 86981904
n×4 115975872
n×5 144969840

Division

n÷y
n÷2 14496984
n÷3 9664656
n÷3 7248492
n÷5 5798793.6

Exponentiation

ny
n2 840650180385024
n3 2.4373784429278E+22
n4 7.0669272578137E+29
n5 2.0489826277138E+37

Nth Root

y√n
2√n 5384.6047208686
3√n 307.21037969486
4√n 73.379865909312
5√n 31.078606023758

Divisors of 28993968

1, 2, 4, 8, 9, 16, 18, 29, 36, 53, 58, 72, 106, 116, 131, 144, 212, 232, 261, 262, 424, 464, 477, 522, 524, 848, 954, 1044, 1048, 1179, 1537, 1908, 2088, 2096, 2358, 3074, 3799, 3816, 4176, 4716, 6148, 6943, 7598, 7632, 9432, 12296, 13833, 13886, 15196, 18864, 24592, 27666, 27772, 30392, 34191, 55332, 55544, 60784, 62487, 68382, 110664, 111088, 124974, 136764, 201347, 221328, 249948, 273528, 402694, 499896, 547056, 805388, 999792, 1610776, 1812123, 3221552, 3624246, 7248492, 14496984, 28993968

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28993967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28993968 can be divided by 80 positive divisors. The sum of these divisors (counting 28993968) is 1, the average is 0.0125.

Base conversion 28993968

Base System Value
2 Binary 1101110100110100110110000
3 Ternary 2000120001020200
4 Quaternary 1232212212300
5 Quinary 24410301333
6 Senary 2513235200
8 Octal 156464660
10 Decimal 28993968
12 Duodecimal 9862b00
16 Hexadecimal 1ba69b0
20 Vigesimal 9144i8
36 Base36 h9fw0

Cryptographic Hash Functions

md5 ebc7adc6f3172a5ab5278ae8c58f8220
sha1 63683a7d279fce1e8f12f862d284ebd719dfc06c
sha256 a345bb983c568f2f7c716b2a1a4f34e2546dfe824438f55c67c0f4aafc81909b
sha512 272db9c33b9069a1ee88c33a90c275701cea6088847bf7d009726ea9ab45d91451f3bb02520ef96bfca81c092a1b55782d03589ec4301ce76edd9de17875c7fd
ripemd-160 b564d03ae01db4e3cfeb998d7c0905083d1dac0b

28993968 as geometric shapes

Circle

Radius = n
Diameter 57987936
Circumference 182174473.73444
Area 2.6409804309365E+15

Sphere

Radius = n
Volume 1.0209666947093E+23
Surface area 1.0563921723746E+16
Circumference 182174473.73444

Square

Length = n
Perimeter 115975872
Area 840650180385024
Diagonal 41003662.772612

Cube

Length = n
Surface area 5043901082310144
Volume 2.4373784429278E+22
Space diagonal 50219025.689026

Equilateral Triangle

Length = n
Perimeter 86981904
Area 3.640122059547E+14
Altitude 25109512.844513

Triangular Pyramid

Length = n
Surface area 3.640122059547E+14
Volume 2.8724780421869E+21
Height 13667887.590871