638961090 (number)

638961090 is an even 9-digits composite number following 638961089 and preceding 638961091. In scientific notation, it is written as 6.38961090 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 169758720 positive integers (up to 638961090) that are relatively prime to 638961090.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38961090 × 10^8
Engineering notation 6.38961090 × 10^6

Prime Factorization of 638961090

Prime Factorization 2 × 15 × 271 × 78593

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638961090
Product of the distinct prime numbers

The prime factorization of 638961090 is 2 × 15 × 271 × 78593. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 48, 57, 54, 981, 5901, 5326, 58500, 89669, 408757, 489574, 4614464, 1614605, 3743337, 53240110, 133572067, 935572851, 4659480520, 696945417

Basic calculations (n = 638961090)

Multiplication

n×y
n×2 1277922180
n×3 1916883270
n×4 2555844360
n×5 3194805450

Division

n÷y
n÷2 319480545
n÷3 212987030
n÷3 159740272.5
n÷5 127792218

Exponentiation

ny
n2 408271274533988100
n3 2.6086945859193E+26
n4 1.6668543360961E+35
n5 1.0650550634632E+44

Nth Root

y√n
2√n 25277.679679907
3√n 861.30731852121
4√n 158.98955839899
5√n 57.689248617162

Divisors of 638961090

1, 2, 15, 30, 271, 542, 4065, 8130, 78593, 157186, 1178895, 2357790, 21298703, 42597406, 319480545, 638961090

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 -638961089
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 638961090 can be divided by 16 positive divisors. The sum of these divisors (counting 638961090) is 1, the average is 0.0625.

Base conversion 638961090

Base System Value
2 Binary 100110000101011100010111000010
3 Ternary 1122112022120211120
4 Quaternary 212011130113002
5 Quinary 2302033223330
6 Senary 143223053110
8 Octal 4605342702
10 Decimal 638961090
12 Duodecimal 159ba1196
16 Hexadecimal 2615c5c2
20 Vigesimal 9jda2ea
36 Base36 akf5j6

Cryptographic Hash Functions

md5 dab03abea8926787997fb34c0f7c5909
sha1 6bc65c069d84e2a595836c0a5b0c71262cdbb692
sha256 c88998bd00c430fb30b8587cd1b72f9bfa304b26adf94179c7c7436748afce7e
sha512 f454e408d232f903a3f1529c3d9f2929821ad8b5e21b1113a3ec541d826e91fdc63e5d9646b97e6df550231b091ad749dbad7ec4fa4d89aca63cfbd338f7fa7c
ripemd-160 9b25d326f6a0ae6668d31260e8f50bcfa5758b8e

638961090 as geometric shapes

Circle

Radius = n
Diameter 1277922180
Circumference 4014710932.5475
Area 1.2826220367477E+18

Sphere

Radius = n
Volume 1.0927274328778E+27
Surface area 5.1304881469909E+18
Circumference 4014710932.5475

Square

Length = n
Perimeter 2555844360
Area 408271274533988100
Diagonal 903627439.3067

Cube

Length = n
Surface area 2449627647203928600
Volume 2.6086945859193E+26
Space diagonal 1106713071.9396

Equilateral Triangle

Length = n
Perimeter 1916883270
Area 1.7678664769094E+17
Altitude 553356535.96979

Triangular Pyramid

Length = n
Surface area 1.7678664769094E+17
Volume 3.0743760529136E+25
Height 301209146.43557