638863902 (number)

638863902 is an even 9-digits composite number following 638863901 and preceding 638863903. In scientific notation, it is written as 6.38863902 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors. There are 212954616 positive integers (up to 638863902) that are relatively prime to 638863902.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-three thousand nine hundred two

Notation

Scientific notation 6.38863902 × 10^8
Engineering notation 6.38863902 × 10^6

Prime Factorization of 638863902

Prime Factorization 2 × 3 × 3 × 3 × 11830813

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 70984878
Product of the distinct prime numbers

The prime factorization of 638863902 is 2 × 3 × 3 × 3 × 11830813. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 15, 41, 834, 156, 4110, 5360, 15388, 88824, 219538, 179745, 6712607, 3629349, 43341991, 7514233, 48045018, 527379212, 1287554516, 81036296

Basic calculations (n = 638863902)

Multiplication

n×y
n×2 1277727804
n×3 1916591706
n×4 2555455608
n×5 3194319510

Division

n÷y
n÷2 319431951
n÷3 212954634
n÷3 159715975.5
n÷5 127772780.4

Exponentiation

ny
n2 408147085278665604
n3 2.6075043949106E+26
n4 1.6658404322147E+35
n5 1.0642453186341E+44

Nth Root

y√n
2√n 25275.75719934
3√n 861.26364711906
4√n 158.98351235062
5√n 57.687493566993

Divisors of 638863902

1, 2, 3, 6, 9, 18, 27, 54, 11830813, 23661626, 35492439, 70984878, 106477317, 212954634, 319431951, 638863902

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 -638863901
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 638863902 can be divided by 16 positive divisors. The sum of these divisors (counting 638863902) is 1, the average is 0.0625.

Base conversion 638863902

Base System Value
2 Binary 100110000101000100101000011110
3 Ternary 1122112010122112000
4 Quaternary 212011010220132
5 Quinary 2302022121102
6 Senary 143221023130
8 Octal 4605045036
10 Decimal 638863902
12 Duodecimal 159b54aa6
16 Hexadecimal 26144a1e
20 Vigesimal 9jchjf2
36 Base36 akd2ji

Cryptographic Hash Functions

md5 e4f1dbd08a62984923870ab8b7fb9bff
sha1 e19ceb2e7e951a73623707b60886e701a63c090a
sha256 afdf2fccb3d24a645bdec65e4b8994a68d2a13b44b25d97c534c822f6745e246
sha512 93333165901039b3b72bbdb3ac0fcd386d6a98813e5aae643ae516a2f31c027648f8e06f623fdd5908f988b44b1e2be91937466741cfdea2db2afed00b39a7df
ripemd-160 5b7c8bcfe1d5dedd7dc5c23350a9027cd921cbc2

638863902 as geometric shapes

Circle

Radius = n
Diameter 1277727804
Circumference 4014100282.3338
Area 1.2822318846955E+18

Sphere

Radius = n
Volume 1.0922288868339E+27
Surface area 5.1289275387822E+18
Circumference 4014100282.3338

Square

Length = n
Perimeter 2555455608
Area 408147085278665604
Diagonal 903489994.719

Cube

Length = n
Surface area 2448882511671993624
Volume 2.6075043949106E+26
Space diagonal 1106544737.3857

Equilateral Triangle

Length = n
Perimeter 1916591706
Area 1.7673287216595E+17
Altitude 553272368.69285

Triangular Pyramid

Length = n
Surface area 1.7673287216595E+17
Volume 3.0729733993583E+25
Height 301163331.573