640888920 (number)

640888920 is an even 9-digits composite number following 640888919 and preceding 640888921. In scientific notation, it is written as 6.40888920 × 10^8. The sum of its digits is 45. It has a total of 7 prime factors and 64 positive divisors. There are 145780992 positive integers (up to 640888920) that are relatively prime to 640888920.

Interesting facts

Basic properties

Name

Name six hundred forty million eight hundred eighty-eight thousand nine hundred twenty

Notation

Scientific notation 6.40888920 × 10^8
Engineering notation 6.40888920 × 10^6

Prime Factorization of 640888920

Prime Factorization 2 × 2 × 2 × 45 × 263 × 7 × 967

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 160222230
Product of the distinct prime numbers

The prime factorization of 640888920 is 2 × 2 × 2 × 45 × 263 × 7 × 967. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 6, 59, 9, 825, 635, 6917, 9019, 60399, 26603, 11805, 216642, 5030654, 545098, 19487558, 42556137, 174252206, 737500691, 7928976705, 7461464265

Basic calculations (n = 640888920)

Multiplication

n×y
n×2 1281777840
n×3 1922666760
n×4 2563555680
n×5 3204444600

Division

n÷y
n÷2 320444460
n÷3 213629640
n÷3 160222230
n÷5 128177784

Exponentiation

ny
n2 410738607778766400
n3 2.6323782274164E+26
n4 1.6870620392004E+35
n5 1.0812193682761E+44

Nth Root

y√n
2√n 25315.784009191
3√n 862.17267478515
4√n 159.10934607744
5√n 57.72401789753

Divisors of 640888920

1, 2, 4, 7, 8, 14, 28, 45, 56, 90, 180, 263, 315, 360, 526, 630, 967, 1052, 1260, 1841, 1934, 2104, 2520, 3682, 3868, 6769, 7364, 7736, 11835, 13538, 14728, 23670, 27076, 43515, 47340, 54152, 82845, 87030, 94680, 165690, 174060, 254321, 304605, 331380, 348120, 508642, 609210, 662760, 1017284, 1218420, 1780247, 2034568, 2436840, 3560494, 7120988, 11444445, 14241976, 22888890, 45777780, 80111115, 91555560, 160222230, 320444460, 640888920

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 -640888919
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 640888920 can be divided by 64 positive divisors. The sum of these divisors (counting 640888920) is 1, the average is 0.015625.

Base conversion 640888920

Base System Value
2 Binary 100110001100110011000001011000
3 Ternary 1122122221112022200
4 Quaternary 212030303001120
5 Quinary 2303031421140
6 Senary 143332250200
8 Octal 4614630130
10 Decimal 640888920
12 Duodecimal 15a770960
16 Hexadecimal 26333058
20 Vigesimal a05b260
36 Base36 alkh20

Cryptographic Hash Functions

md5 80dab07420dc019eabd4d5ee91be8d3a
sha1 f4de44e51c1b8bd5b198183e3fb3e78465641a56
sha256 32d0c6714b2b4b12b5b63b6ae11948fc7a810e8cf668eac1b8ff1306db6066f1
sha512 4f17ea780dff7237eb52abc59d368ac1dec0de1fb3c816a91b40852d66f8c17d6a6d071b81baf0565b2b69ab0c36ed147e6f4a3afd7590a9d40f47d867fb6d1d
ripemd-160 921d21e8cc3e47f0a056d2d9035d19ed949a289a

640888920 as geometric shapes

Circle

Radius = n
Diameter 1281777840
Circumference 4026823845.6782
Area 1.2903733927435E+18

Sphere

Radius = n
Volume 1.1026480134295E+27
Surface area 5.1614935709739E+18
Circumference 4026823845.6782

Square

Length = n
Perimeter 2563555680
Area 410738607778766400
Diagonal 906353802.63865

Cube

Length = n
Surface area 2464431646672598400
Volume 2.6323782274164E+26
Space diagonal 1110052171.4479

Equilateral Triangle

Length = n
Perimeter 1922666760
Area 1.7785503432573E+17
Altitude 555026085.72397

Triangular Pyramid

Length = n
Surface area 1.7785503432573E+17
Volume 3.1022874920899E+25
Height 302117934.21288