640804915 (number)

640804915 is an odd 9-digits composite number following 640804914 and preceding 640804916. In scientific notation, it is written as 6.40804915 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 512082432 positive integers (up to 640804915) that are relatively prime to 640804915.

Interesting facts

Basic properties

Name

Name six hundred forty million eight hundred four thousand nine hundred fifteen

Notation

Scientific notation 6.40804915 × 10^8
Engineering notation 6.40804915 × 10^6

Prime Factorization of 640804915

Prime Factorization 5 × 919 × 139457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 640804915
Product of the distinct prime numbers

The prime factorization of 640804915 is 5 × 919 × 139457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 13, 98, 262, 342, 7598, 6286, 17409, 67160, 504743, 427830, 4831426, 4111756, 49263516, 89465364, 700337224, 888758895, 9290435988, 9793113889

Basic calculations (n = 640804915)

Multiplication

n×y
n×2 1281609830
n×3 1922414745
n×4 2563219660
n×5 3204024575

Division

n÷y
n÷2 320402457.5
n÷3 213601638.33333
n÷3 160201228.75
n÷5 128160983

Exponentiation

ny
n2 410630939088157225
n3 2.6313432401876E+26
n4 1.6861776813642E+35
n5 1.0805109457815E+44

Nth Root

y√n
2√n 25314.124812049
3√n 862.13500316064
4√n 159.10413197667
5√n 57.722504574321

Divisors of 640804915

1, 5, 919, 4595, 139457, 697285, 128160983, 640804915

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640804914
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640804915 can be divided by 8 positive divisors. The sum of these divisors (counting 640804915) is 1, the average is 0.125.

Base conversion 640804915

Base System Value
2 Binary 100110001100011110100000110011
3 Ternary 1122122210021002101
4 Quaternary 212030132200303
5 Quinary 2303021224130
6 Senary 143330401231
8 Octal 4614364063
10 Decimal 640804915
12 Duodecimal 15a730217
16 Hexadecimal 2631e833
20 Vigesimal a050c5f
36 Base36 alio8j

Cryptographic Hash Functions

md5 1ca9f13a8a2aebc01e1207e0424a6e47
sha1 25a63050c27cdf94f1925a4258b078d51cba247a
sha256 1a39e787e36b64f1b76e6f28171b20a673ebbed2bbb21df4f60feec79215a48a
sha512 7aabc048858534be0191ff5bee195cc5a7cd77892de546b771a0beed6ee8e884f3ec20d84f64e758b18986f6da403f5e37a49c3906c633de24486f472e27e011
ripemd-160 978dca361b840f4981a2d4e59668a2ad935ef75c

640804915 as geometric shapes

Circle

Radius = n
Diameter 1281609830
Circumference 4026296026.6965
Area 1.290035141576E+18

Sphere

Radius = n
Volume 1.1022144789929E+27
Surface area 5.1601405663041E+18
Circumference 4026296026.6965

Square

Length = n
Perimeter 2563219660
Area 410630939088157225
Diagonal 906235001.62834

Cube

Length = n
Surface area 2463785634528943350
Volume 2.6313432401876E+26
Space diagonal 1109906670.5199

Equilateral Triangle

Length = n
Perimeter 1922414745
Area 1.778084124151E+17
Altitude 554953335.25993

Triangular Pyramid

Length = n
Surface area 1.778084124151E+17
Volume 3.1010677479434E+25
Height 302078333.87611