643669890 (number)

643669890 is an even 9-digits composite number following 643669889 and preceding 643669891. In scientific notation, it is written as 6.43669890 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 171645296 positive integers (up to 643669890) that are relatively prime to 643669890.

Interesting facts

Basic properties

Name

Name six hundred forty-three million six hundred sixty-nine thousand eight hundred ninety

Notation

Scientific notation 6.43669890 × 10^8
Engineering notation 6.43669890 × 10^6

Prime Factorization of 643669890

Prime Factorization 2 × 15 × 21455663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 643669890
Product of the distinct prime numbers

The prime factorization of 643669890 is 2 × 15 × 21455663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 30, 94, 476, 534, 3646, 4812, 86142, 2500, 171500, 922248, 6959997, 9964854, 46022738, 55142861, 268536362, 921767412, 4256058977, 7556748059

Basic calculations (n = 643669890)

Multiplication

n×y
n×2 1287339780
n×3 1931009670
n×4 2574679560
n×5 3218349450

Division

n÷y
n÷2 321834945
n÷3 214556630
n÷3 160917472.5
n÷5 128733978

Exponentiation

ny
n2 414310927292612100
n3 2.6667946899623E+26
n4 1.7165354447406E+35
n5 1.1048821808973E+44

Nth Root

y√n
2√n 25370.650169044
3√n 863.41793303762
4√n 159.28166928132
5√n 57.774026830819

Divisors of 643669890

1, 2, 15, 30, 21455663, 42911326, 321834945, 643669890

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 -643669889
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 643669890 can be divided by 8 positive divisors. The sum of these divisors (counting 643669890) is 1, the average is 0.125.

Base conversion 643669890

Base System Value
2 Binary 100110010111011001111110000010
3 Ternary 1122212011211002120
4 Quaternary 212113121332002
5 Quinary 2304234414030
6 Senary 143512025110
8 Octal 4627317602
10 Decimal 643669890
12 Duodecimal 15b692196
16 Hexadecimal 265d9f82
20 Vigesimal a12ieea
36 Base36 an82v6

Cryptographic Hash Functions

md5 08eb562c7d7a4e39a18de5f7c205dc89
sha1 64243ece08b4c03320b49dfd0c3983208483a691
sha256 ccf2d0d663107c39c4093a2e64ad370b3983970f08dbb7dce282d81d3c776654
sha512 95b6d0c04a0ce4c48ab08e55e259fe2e7a857bd0d469b602a9a02fefcd71ddae311e7676b6f0bf88dad5738f69b2a3aa8312d102476ed19819c565ba9765c4d9
ripemd-160 5366ef0317a84a19dbe663b9f6573db111c9cbaf

643669890 as geometric shapes

Circle

Radius = n
Diameter 1287339780
Circumference 4044297195.5219
Area 1.3015961654844E+18

Sphere

Radius = n
Volume 1.1170643475491E+27
Surface area 5.2063846619378E+18
Circumference 4044297195.5219

Square

Length = n
Perimeter 2574679560
Area 414310927292612100
Diagonal 910286688.1292

Cube

Length = n
Surface area 2485865563755672600
Volume 2.6667946899623E+26
Space diagonal 1114868952.7823

Equilateral Triangle

Length = n
Perimeter 1931009670
Area 1.7940189405044E+17
Altitude 557434476.39114

Triangular Pyramid

Length = n
Surface area 1.7940189405044E+17
Volume 3.1428476821744E+25
Height 303428896.04307