1288542021 (number)

1288542021 is an odd 10-digits composite number following 1288542020 and preceding 1288542022. In scientific notation, it is written as 1.288542021 × 10^9. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 792948624 positive integers (up to 1288542021) that are relatively prime to 1288542021.

Interesting facts

Basic properties

Name

Name one billion two hundred eighty-eight million five hundred forty-two thousand twenty-one

Notation

Scientific notation 1.288542021 × 10^9
Engineering notation 1.288542021 × 10^9

Prime Factorization of 1288542021

Prime Factorization 39 × 13 × 2541503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1288542021
Product of the distinct prime numbers

The prime factorization of 1288542021 is 39 × 13 × 2541503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1288542021)

Multiplication

n×y
n×2 2577084042
n×3 3865626063
n×4 5154168084
n×5 6442710105

Division

n÷y
n÷2 644271010.5
n÷3 429514007
n÷3 322135505.25
n÷5 257708404.2

Exponentiation

ny
n2 1660340539882764441
n3 2.1394185548088E+27
n4 2.7567307083782E+36
n5 3.5521633583264E+45

Nth Root

y√n
2√n 35896.267507918
3√n 1088.1769658462
4√n 189.46310328905
5√n 66.377320537835

Divisors of 1288542021

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1288542020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1288542021 can be divided by 8 positive divisors. The sum of these divisors (counting 1288542021) is 1, the average is 0.125.

Base conversion 1288542021

Base System Value
2 Binary 1001100110011011001011101000101
3 Ternary 10022210121201100120
4 Quaternary 1030303121131011
5 Quinary 10114331321041
6 Senary 331505532153
8 Octal 11463313505
10 Decimal 1288542021
12 Duodecimal 2bb644059
16 Hexadecimal 4ccd9745
20 Vigesimal 102d7f11
36 Base36 lb5xdx

Cryptographic Hash Functions

md5 2b08eb30889d70d7108191911a2f6dbc
sha1 bd15a72b2e56550a825807fa6eafa7436634eee6
sha256 6caeca8fbb6087391cff6dc3c5dfe87d7857fa09efc59d433dcbab8f710ce826
sha512 0bb60f4ecf86f71f1a698799baea3f86488645c52da14825ef368302795415c817cd89e053977f318ec7f40902a7dbc8c9f6452d67474181fd17f1580dd8dee3
ripemd-160 093f3051d3e6bd4764b6dfc53478f6e7c963d6ef

1288542021 as geometric shapes

Circle

Radius = n
Diameter 2577084042
Circumference 8096148294.0307
Area 5.216113642553E+18

Sphere

Radius = n
Volume 8.9615754863212E+27
Surface area 2.0864454570212E+19
Circumference 8096148294.0307

Square

Length = n
Perimeter 5154168084
Area 1660340539882764441
Diagonal 1822273601.7858

Cube

Length = n
Surface area 9.9620432392966E+18
Volume 2.1394185548088E+27
Space diagonal 2231820248.0595

Equilateral Triangle

Length = n
Perimeter 3865626063
Area 7.1894854323582E+17
Altitude 1115910124.0297

Triangular Pyramid

Length = n
Surface area 7.1894854323582E+17
Volume 2.5213289465027E+26
Height 607424533.92861