638640984 (number)

638640984 is an even 9-digits composite number following 638640983 and preceding 638640985. In scientific notation, it is written as 6.38640984 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors. There are 212880320 positive integers (up to 638640984) that are relatively prime to 638640984.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred forty thousand nine hundred eighty-four

Notation

Scientific notation 6.38640984 × 10^8
Engineering notation 6.38640984 × 10^6

Prime Factorization of 638640984

Prime Factorization 2 × 2 × 2 × 3 × 26610041

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159660246
Product of the distinct prime numbers

The prime factorization of 638640984 is 2 × 2 × 2 × 3 × 26610041. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 67, 88, 425, 121, 818, 8835, 56500, 31653, 112622, 64106, 319478, 3252586, 65324809, 55664014, 192483663, 612261290, 1042776859, 7668811015

Basic calculations (n = 638640984)

Multiplication

n×y
n×2 1277281968
n×3 1915922952
n×4 2554563936
n×5 3193204920

Division

n÷y
n÷2 319320492
n÷3 212880328
n÷3 159660246
n÷5 127728196.8

Exponentiation

ny
n2 407862306444488256
n3 2.6047758472422E+26
n4 1.6635166101822E+35
n5 1.0623898848271E+44

Nth Root

y√n
2√n 25271.34709508
3√n 861.16346224201
4√n 158.96964205495
5√n 57.683467239677

Divisors of 638640984

1, 2, 3, 4, 6, 8, 12, 24, 26610041, 53220082, 79830123, 106440164, 159660246, 212880328, 319320492, 638640984

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638640983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638640984 can be divided by 16 positive divisors. The sum of these divisors (counting 638640984) is 1, the average is 0.0625.

Base conversion 638640984

Base System Value
2 Binary 100110000100001110001101011000
3 Ternary 1122111201022201210
4 Quaternary 212010032031120
5 Quinary 2301443002414
6 Senary 143212143120
8 Octal 4604161530
10 Decimal 638640984
12 Duodecimal 159a67aa0
16 Hexadecimal 2610e358
20 Vigesimal 9jba294
36 Base36 ak8ajc

Cryptographic Hash Functions

md5 4b58cb64cd0d2460582ccdf0c89e000a
sha1 7f46d08bc85ab2c89817e51325d0b3317cf4aecf
sha256 0291317be408261be82f8d45bec831c57574f5bb99cee7aaea8ed65ae63fdd30
sha512 3e94078f33b8daaf351bba4c38b1ca05c91e24d5776fcbba2acf07ad830f53ec1317715dfc6fce5cc1ba9987ef291cc57f48c7d0427e3fecdd87793671dccb5b
ripemd-160 6e9f47dfe8791bf71d998ad9ae6ddef5178ff015

638640984 as geometric shapes

Circle

Radius = n
Diameter 1277281968
Circumference 4012699647.2315
Area 1.2813372256022E+18

Sphere

Radius = n
Volume 1.0910859554592E+27
Surface area 5.1253489024088E+18
Circumference 4012699647.2315

Square

Length = n
Perimeter 2554563936
Area 407862306444488256
Diagonal 903174741.0601

Cube

Length = n
Surface area 2447173838666929536
Volume 2.6047758472422E+26
Space diagonal 1106158632.0838

Equilateral Triangle

Length = n
Perimeter 1915922952
Area 1.7660955931352E+17
Altitude 553079316.04189

Triangular Pyramid

Length = n
Surface area 1.7660955931352E+17
Volume 3.0697577750931E+25
Height 301058247.02003