638991616 (number)

638991616 is an even 9-digits composite number following 638991615 and preceding 638991617. In scientific notation, it is written as 6.38991616 × 10^8. The sum of its digits is 49. It has a total of 9 prime factors and 18 positive divisors. There are 319495680 positive integers (up to 638991616) that are relatively prime to 638991616.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-one thousand six hundred sixteen

Notation

Scientific notation 6.38991616 × 10^8
Engineering notation 6.38991616 × 10^6

Prime Factorization of 638991616

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2496061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 4992122
Product of the distinct prime numbers

The prime factorization of 638991616 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2496061. Since it has a total of 9 prime factors.

Most popular turbo-numbers

4, 6, 98, 40, 946, 683, 9547, 3851, 41550, 75007, 677025, 733445, 1195403, 5709908, 64940188, 41197080, 14635562, 382175000, 7913485706, 8811266050

Basic calculations (n = 638991616)

Multiplication

n×y
n×2 1277983232
n×3 1916974848
n×4 2555966464
n×5 3194958080

Division

n÷y
n÷2 319495808
n÷3 212997205.33333
n÷3 159747904
n÷5 127798323.2

Exponentiation

ny
n2 408310285318291456
n3 2.6090684904496E+26
n4 1.667172890967E+35
n5 1.0653094997504E+44

Nth Root

y√n
2√n 25278.283486028
3√n 861.32103445735
4√n 158.99145727374
5√n 57.689799820789

Divisors of 638991616

1, 2, 4, 8, 16, 32, 64, 128, 256, 2496061, 4992122, 9984244, 19968488, 39936976, 79873952, 159747904, 319495808, 638991616

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638991615
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638991616 can be divided by 18 positive divisors. The sum of these divisors (counting 638991616) is 1, the average is 0.055555555555556.

Base conversion 638991616

Base System Value
2 Binary 100110000101100011110100000000
3 Ternary 1122112101010201011
4 Quaternary 212011203310000
5 Quinary 2302040212431
6 Senary 143223450304
8 Octal 4605436400
10 Decimal 638991616
12 Duodecimal 159bb6994
16 Hexadecimal 26163d00
20 Vigesimal 9jddj0g
36 Base36 akft34

Cryptographic Hash Functions

md5 412159f5385161ad27751977aa668469
sha1 afabf83307e2c2b2ff585070a16b2484236b757c
sha256 2e2993ba9bef8c65626d5f879cfc0a3d8f49d88e7c55b41668ef0e8350b1181b
sha512 8f35cbb16f186723246636be6d59e419c39ecd107d1b584323cbec3ee14216ee7e1d84e44fb41607ecc5996309db5de9fa65fae166e7783ed11b8855bd0c6083
ripemd-160 58e4b3b46a6e292fea6dd31dbf48c4775df72f3c

638991616 as geometric shapes

Circle

Radius = n
Diameter 1277983232
Circumference 4014902733.0621
Area 1.2827445927411E+18

Sphere

Radius = n
Volume 1.0928840536412E+27
Surface area 5.1309783709644E+18
Circumference 4014902733.0621

Square

Length = n
Perimeter 2555966464
Area 408310285318291456
Diagonal 903670609.5899

Cube

Length = n
Surface area 2449861711909748736
Volume 2.6090684904496E+26
Space diagonal 1106765944.5225

Equilateral Triangle

Length = n
Perimeter 1916974848
Area 1.7680353985606E+17
Altitude 553382972.26127

Triangular Pyramid

Length = n
Surface area 1.7680353985606E+17
Volume 3.0748167036284E+25
Height 301223536.52997