638501864 (number)

638501864 is an even 9-digits composite number following 638501863 and preceding 638501865. In scientific notation, it is written as 6.38501864 × 10^8. The sum of its digits is 41. It has a total of 7 prime factors and 64 positive divisors. There are 226195200 positive integers (up to 638501864) that are relatively prime to 638501864.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred one thousand eight hundred sixty-four

Notation

Scientific notation 6.38501864 × 10^8
Engineering notation 6.38501864 × 10^6

Prime Factorization of 638501864

Prime Factorization 2 × 2 × 2 × 91 × 11 × 71 × 1123

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 159625466
Product of the distinct prime numbers

The prime factorization of 638501864 is 2 × 2 × 2 × 91 × 11 × 71 × 1123. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 6, 4, 26, 763, 56, 7111, 331, 25900, 88168, 531542, 946739, 1016506, 9074202, 44061630, 51628594, 258873026, 597280242, 6340289298, 713670629

Basic calculations (n = 638501864)

Multiplication

n×y
n×2 1277003728
n×3 1915505592
n×4 2554007456
n×5 3192509320

Division

n÷y
n÷2 319250932
n÷3 212833954.66667
n÷3 159625466
n÷5 127700372.8

Exponentiation

ny
n2 407684630331474496
n3 2.603073963908E+26
n4 1.6620675780851E+35
n5 1.0612332467013E+44

Nth Root

y√n
2√n 25268.594420743
3√n 861.10092644893
4√n 158.96098395752
5√n 57.680953895402

Divisors of 638501864

1, 2, 4, 8, 11, 22, 44, 71, 88, 91, 142, 182, 284, 364, 568, 728, 781, 1001, 1123, 1562, 2002, 2246, 3124, 4004, 4492, 6248, 6461, 8008, 8984, 12353, 12922, 24706, 25844, 49412, 51688, 71071, 79733, 98824, 102193, 142142, 159466, 204386, 284284, 318932, 408772, 568568, 637864, 817544, 877063, 1124123, 1754126, 2248246, 3508252, 4496492, 7016504, 7255703, 8992984, 14511406, 29022812, 58045624, 79812733, 159625466, 319250932, 638501864

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638501863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638501864 can be divided by 64 positive divisors. The sum of these divisors (counting 638501864) is 1, the average is 0.015625.

Base conversion 638501864

Base System Value
2 Binary 100110000011101100001111101000
3 Ternary 1122111110020220012
4 Quaternary 212003230033220
5 Quinary 2301424024424
6 Senary 143205151052
8 Octal 4603541750
10 Decimal 638501864
12 Duodecimal 1599bb488
16 Hexadecimal 260ec3e8
20 Vigesimal 9jaced4
36 Base36 ak5b6w

Cryptographic Hash Functions

md5 938757ee9a6ddb895b99f443d99eb243
sha1 45958965e1dffa1a26e1e63d3d33391d4395ead8
sha256 9c7cdf475ca45791054ca436ec427105c363eb9562c55f049a600395d6c6425d
sha512 951e4aab1426b5dddc3d1f45385974a819c3e089aae2a40ab28f2ff031d482f13ff3fa9037933f682dce9e97d6d71d49bd85529202ada7d8d304fca0331ec8ae
ripemd-160 9fd5f78861cd3c229447f4b308f08991455a4758

638501864 as geometric shapes

Circle

Radius = n
Diameter 1277003728
Circumference 4011825530.4916
Area 1.2807790396308E+18

Sphere

Radius = n
Volume 1.0903730722352E+27
Surface area 5.1231161585233E+18
Circumference 4011825530.4916

Square

Length = n
Perimeter 2554007456
Area 407684630331474496
Diagonal 902977995.6693

Cube

Length = n
Surface area 2446107781988846976
Volume 2.603073963908E+26
Space diagonal 1105917669.1754

Equilateral Triangle

Length = n
Perimeter 1915505592
Area 1.7653262329976E+17
Altitude 552958834.58772

Triangular Pyramid

Length = n
Surface area 1.7653262329976E+17
Volume 3.0677520863491E+25
Height 300992665.2231