639987788 (number)

639987788 is an even 9-digits composite number following 639987787 and preceding 639987789. In scientific notation, it is written as 6.39987788 × 10^8. The sum of its digits is 65. It has a total of 6 prime factors and 48 positive divisors. There are 274412160 positive integers (up to 639987788) that are relatively prime to 639987788.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million nine hundred eighty-seven thousand seven hundred eighty-eight

Notation

Scientific notation 6.39987788 × 10^8
Engineering notation 6.39987788 × 10^6

Prime Factorization of 639987788

Prime Factorization 2 × 2 × 73 × 11 × 23 × 8663

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319993894
Product of the distinct prime numbers

The prime factorization of 639987788 is 2 × 2 × 73 × 11 × 23 × 8663. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 2, 38, 97, 235, 20, 7184, 440, 26646, 95560, 120034, 850614, 5830394, 8508304, 55205129, 53429724, 320972390, 514491008, 5239993363, 625047409

Basic calculations (n = 639987788)

Multiplication

n×y
n×2 1279975576
n×3 1919963364
n×4 2559951152
n×5 3199938940

Division

n÷y
n÷2 319993894
n÷3 213329262.66667
n÷3 159996947
n÷5 127997557.6

Exponentiation

ny
n2 409584368789132944
n3 2.6212899418073E+26
n4 1.6775935515639E+35
n5 1.0736393862285E+44

Nth Root

y√n
2√n 25297.979919353
3√n 861.76839473697
4√n 159.05338701
5√n 57.707776006467

Divisors of 639987788

1, 2, 4, 11, 22, 23, 44, 46, 73, 92, 146, 253, 292, 506, 803, 1012, 1606, 1679, 3212, 3358, 6716, 8663, 17326, 18469, 34652, 36938, 73876, 95293, 190586, 199249, 381172, 398498, 632399, 796996, 1264798, 2191739, 2529596, 4383478, 6956389, 8766956, 13912778, 14545177, 27825556, 29090354, 58180708, 159996947, 319993894, 639987788

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639987787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639987788 can be divided by 48 positive divisors. The sum of these divisors (counting 639987788) is 1, the average is 0.020833333333333.

Base conversion 639987788

Base System Value
2 Binary 100110001001010111000001001100
3 Ternary 1122121020202012102
4 Quaternary 212021113001030
5 Quinary 2302314102123
6 Senary 143301054232
8 Octal 4611270114
10 Decimal 639987788
12 Duodecimal 15a3b7378
16 Hexadecimal 2625704c
20 Vigesimal 9jji998
36 Base36 al15qk

Cryptographic Hash Functions

md5 786bcf9304137e36b134a35fb65fca7e
sha1 9cc46083ce4e78f4694fa7b7696cd808d2aa024e
sha256 50756294648c939cdb37132dd2a7ef6103afef2f901a7e6a93b41aca812fa588
sha512 f8d40b4df42ffdd50d9e21d86d5c3712ad1ae0e58ae4010376e3723f8cebb9e33f7ebf78194cc6728c80d0da8f7f00da10b193fe208be918f2fb79cb98d198af
ripemd-160 c7401e69df0dffb2e78c6fd2b47659461bbe13b6

639987788 as geometric shapes

Circle

Radius = n
Diameter 1279975576
Circumference 4021161866.336
Area 1.2867472440132E+18

Sphere

Radius = n
Volume 1.0980033632148E+27
Surface area 5.1469889760526E+18
Circumference 4021161866.336

Square

Length = n
Perimeter 2559951152
Area 409584368789132944
Diagonal 905079409.54276

Cube

Length = n
Surface area 2457506212734797664
Volume 2.6212899418073E+26
Space diagonal 1108491365.0396

Equilateral Triangle

Length = n
Perimeter 1919963364
Area 1.773552341822E+17
Altitude 554245682.51981

Triangular Pyramid

Length = n
Surface area 1.773552341822E+17
Volume 3.0892198221801E+25
Height 301693136.51425