640508745 (number)

640508745 is an odd 9-digits composite number following 640508744 and preceding 640508746. In scientific notation, it is written as 6.40508745 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 321510144 positive integers (up to 640508745) that are relatively prime to 640508745.

Interesting facts

Basic properties

Name

Name six hundred forty million five hundred eight thousand seven hundred forty-five

Notation

Scientific notation 6.40508745 × 10^8
Engineering notation 6.40508745 × 10^6

Prime Factorization of 640508745

Prime Factorization 15 × 17 × 2511799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 640508745
Product of the distinct prime numbers

The prime factorization of 640508745 is 15 × 17 × 2511799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 69, 36, 16, 125, 8371, 6684, 81129, 52313, 493707, 259649, 482111, 3150781, 92243118, 37261277, 624680660, 920988816, 732355654, 6504097723

Basic calculations (n = 640508745)

Multiplication

n×y
n×2 1281017490
n×3 1921526235
n×4 2562034980
n×5 3202543725

Division

n÷y
n÷2 320254372.5
n÷3 213502915
n÷3 160127186.25
n÷5 128101749

Exponentiation

ny
n2 410251452421475025
n3 2.6276964292491E+26
n4 1.6830625421393E+35
n5 1.0780162766222E+44

Nth Root

y√n
2√n 25308.274239861
3√n 862.00216092538
4√n 159.08574492977
5√n 57.717167900024

Divisors of 640508745

1, 15, 17, 255, 2511799, 37676985, 42700583, 640508745

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 -640508744
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 640508745 can be divided by 8 positive divisors. The sum of these divisors (counting 640508745) is 1, the average is 0.125.

Base conversion 640508745

Base System Value
2 Binary 100110001011010110001101001001
3 Ternary 1122122020012211010
4 Quaternary 212023112031021
5 Quinary 2302432234440
6 Senary 143320154133
8 Octal 4613261511
10 Decimal 640508745
12 Duodecimal 15a608949
16 Hexadecimal 262d6349
20 Vigesimal a033bh5
36 Base36 alcbpl

Cryptographic Hash Functions

md5 f64a3dba73c7b067bd80e9204fe573c9
sha1 9050fcfc1103a93362a13ae6e0793d1e0f14faa8
sha256 a846525e22a97e0a709dfae545d1defb646a0ae4cbbd705298f83fd2118d636f
sha512 cd5b5d8e8dc309cfba3a00bb6e8abac00d24ac89c3580aebec29a467ed062f0264cdb93af7432928f83319771aa4c56a125945ad34e86b38d2e2988a3b924a57
ripemd-160 dfed4086c5cf474f80f98d52857c19fcf3a31d3d

640508745 as geometric shapes

Circle

Radius = n
Diameter 1281017490
Circumference 4024435135.704
Area 1.2888429490518E+18

Sphere

Radius = n
Volume 1.1006869063991E+27
Surface area 5.1553717962074E+18
Circumference 4024435135.704

Square

Length = n
Perimeter 2562034980
Area 410251452421475025
Diagonal 905816153.99757

Cube

Length = n
Surface area 2461508714528850150
Volume 2.6276964292491E+26
Space diagonal 1109393689.0322

Equilateral Triangle

Length = n
Perimeter 1921526235
Area 1.7764408986823E+17
Altitude 554696844.51609

Triangular Pyramid

Length = n
Surface area 1.7764408986823E+17
Volume 3.0967699400361E+25
Height 301938717.99919