642051261 (number)

642051261 is an odd 9-digits composite number following 642051260 and preceding 642051262. In scientific notation, it is written as 6.42051261 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 414226440 positive integers (up to 642051261) that are relatively prime to 642051261.

Interesting facts

Basic properties

Name

Name six hundred forty-two million fifty-one thousand two hundred sixty-one

Notation

Scientific notation 6.42051261 × 10^8
Engineering notation 6.42051261 × 10^6

Prime Factorization of 642051261

Prime Factorization 3 × 3 × 31 × 2301259

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 214017087
Product of the distinct prime numbers

The prime factorization of 642051261 is 3 × 3 × 31 × 2301259. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 91, 8, 412, 451, 6985, 6383, 94152, 21624, 836721, 943828, 7021940, 3131838, 43907693, 65204444, 570144503, 413806519, 5759609485, 7412911837

Basic calculations (n = 642051261)

Multiplication

n×y
n×2 1284102522
n×3 1926153783
n×4 2568205044
n×5 3210256305

Division

n÷y
n÷2 321025630.5
n÷3 214017087
n÷3 160512815.25
n÷5 128410252.2

Exponentiation

ny
n2 412229821751690121
n3 2.6467267687748E+26
n4 1.6993342594143E+35
n5 1.0910597041175E+44

Nth Root

y√n
2√n 25338.730453596
3√n 862.69358326515
4√n 159.18143878479
5√n 57.744940827873

Divisors of 642051261

1, 3, 9, 31, 93, 279, 2301259, 6903777, 20711331, 71339029, 214017087, 642051261

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642051260
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642051261 can be divided by 12 positive divisors. The sum of these divisors (counting 642051261) is 1, the average is 0.083333333333333.

Base conversion 642051261

Base System Value
2 Binary 100110010001001110110010111101
3 Ternary 1122202010120202100
4 Quaternary 212101032302331
5 Quinary 2303331120021
6 Senary 143413215313
8 Octal 4621166275
10 Decimal 642051261
12 Duodecimal 15b031539
16 Hexadecimal 2644ecbd
20 Vigesimal a0cg831
36 Base36 am9dx9

Cryptographic Hash Functions

md5 5cc94255bd6bfcaeb563c8014b5d3cd0
sha1 85cc6586b6558f3c22ba8ce1bbede119815ba8c8
sha256 cbef424e1717c616492b8f1b1bd44e263fa5dc3c368d79e12b1b0060b6d265d7
sha512 5548ff44e08b9506ba50ca2e892cfad562b06f57e9050371675d1882473a978f59a971e8b5c7664cf445762ed4f6b8fe144d73dfeb2a057173e3f9f82f65fd8a
ripemd-160 d307b65bc785f6cb926de51aefa2727296e599f7

642051261 as geometric shapes

Circle

Radius = n
Diameter 1284102522
Circumference 4034127049.5713
Area 1.2950581796057E+18

Sphere

Radius = n
Volume 1.108658316379E+27
Surface area 5.180232718423E+18
Circumference 4034127049.5713

Square

Length = n
Perimeter 2568205044
Area 412229821751690121
Diagonal 907997601.04495

Cube

Length = n
Surface area 2473378930510140726
Volume 2.6467267687748E+26
Space diagonal 1112065405.1157

Equilateral Triangle

Length = n
Perimeter 1926153783
Area 1.7850074891725E+17
Altitude 556032702.55783

Triangular Pyramid

Length = n
Surface area 1.7850074891725E+17
Volume 3.1191974102477E+25
Height 302665867.01498