28993988 (number)

28993988 is an even 8-digits composite number following 28993987 and preceding 28993989. In scientific notation, it is written as 2.8993988 × 10^7. The sum of its digits is 56. It has a total of 3 prime factors and 6 positive divisors. There are 14496992 positive integers (up to 28993988) that are relatively prime to 28993988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8993988 × 10^7
Engineering notation 2.8993988 × 10^6

Prime Factorization of 28993988

Prime Factorization 2 × 2 × 7248497

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 14496994
Product of the distinct prime numbers

The prime factorization of 28993988 is 2 × 2 × 7248497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 38, 64, 38, 398, 8290, 2150, 83565, 95642, 964639, 218050, 5870326, 2816596, 28310607, 60894617, 588424624, 256287227, 5117087288, 6608082122

Basic calculations (n = 28993988)

Multiplication

n×y
n×2 57987976
n×3 86981964
n×4 115975952
n×5 144969940

Division

n÷y
n÷2 14496994
n÷3 9664662.6666667
n÷3 7248497
n÷5 5798797.6

Exponentiation

ny
n2 840651340144144
n3 2.4373834868323E+22
n4 7.0669467568615E+29
n5 2.0489896946508E+37

Nth Root

y√n
2√n 5384.6065780148
3√n 307.21045033261
4√n 73.379878563642
5√n 31.078610311353

Divisors of 28993988

1, 2, 4, 7248497, 14496994, 28993988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28993987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28993988 can be divided by 6 positive divisors. The sum of these divisors (counting 28993988) is 1, the average is 0.16666666666667.

Base conversion 28993988

Base System Value
2 Binary 1101110100110100111000100
3 Ternary 2000120001021102
4 Quaternary 1232212213010
5 Quinary 24410301423
6 Senary 2513235232
8 Octal 156464704
10 Decimal 28993988
12 Duodecimal 9862b18
16 Hexadecimal 1ba69c4
20 Vigesimal 9144j8
36 Base36 h9fwk

Cryptographic Hash Functions

md5 63f83896e2e6cd7b186fc47734df9699
sha1 58eccae9183ef523246248eac366c987dadeaab7
sha256 bfb9bd3eea0b06cbe535b0925e8894067c6536458000b9ad78689b875c0da6cc
sha512 f7ecfde83cf16d17484431270ae77e441fc2f91097a5216be3514cb049e123e55acec0fb638bae56fe45d8728e50143cabc752add8917f2a16bda7691783b0d0
ripemd-160 81e361b6206eb93db2fcc0c715e5aebbfdcf68bd

28993988 as geometric shapes

Circle

Radius = n
Diameter 57987976
Circumference 182174599.39814
Area 2.6409840744273E+15

Sphere

Radius = n
Volume 1.0209688074951E+23
Surface area 1.0563936297709E+16
Circumference 182174599.39814

Square

Length = n
Perimeter 115975952
Area 840651340144144
Diagonal 41003691.056883

Cube

Length = n
Surface area 5043908040864864
Volume 2.4373834868323E+22
Space diagonal 50219060.330042

Equilateral Triangle

Length = n
Perimeter 86981964
Area 3.6401270814513E+14
Altitude 25109530.165021

Triangular Pyramid

Length = n
Surface area 3.6401270814513E+14
Volume 2.8724839864854E+21
Height 13667897.018961