644892740 (number)

644892740 is an even 9-digits composite number following 644892739 and preceding 644892741. In scientific notation, it is written as 6.44892740 × 10^8. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 256848128 positive integers (up to 644892740) that are relatively prime to 644892740.

Interesting facts

Basic properties

Name

Name six hundred forty-four million eight hundred ninety-two thousand seven hundred forty

Notation

Scientific notation 6.44892740 × 10^8
Engineering notation 6.44892740 × 10^6

Prime Factorization of 644892740

Prime Factorization 2 × 2 × 5 × 233 × 138389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 322446370
Product of the distinct prime numbers

The prime factorization of 644892740 is 2 × 2 × 5 × 233 × 138389. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 63, 15, 344, 587, 850, 64, 98601, 45238, 888504, 904374, 8138254, 218739, 27906010, 73460753, 44274242, 436566313, 3738292376, 2567081612

Basic calculations (n = 644892740)

Multiplication

n×y
n×2 1289785480
n×3 1934678220
n×4 2579570960
n×5 3224463700

Division

n÷y
n÷2 322446370
n÷3 214964246.66667
n÷3 161223185
n÷5 128978548

Exponentiation

ny
n2 415886646104707600
n3 2.6820227873588E+26
n4 1.7296170240822E+35
n5 1.115417461811E+44

Nth Root

y√n
2√n 25394.738431415
3√n 863.96436359933
4√n 159.35726664139
5√n 57.795962093941

Divisors of 644892740

1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4660, 138389, 276778, 553556, 691945, 1383890, 2767780, 32244637, 64489274, 128978548, 161223185, 322446370, 644892740

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -644892739
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 644892740 can be divided by 24 positive divisors. The sum of these divisors (counting 644892740) is 1, the average is 0.041666666666667.

Base conversion 644892740

Base System Value
2 Binary 100110011100000100100001000100
3 Ternary 1122221110221112022
4 Quaternary 212130010201010
5 Quinary 2310043031430
6 Senary 143554142312
8 Octal 4634044104
10 Decimal 644892740
12 Duodecimal 15bb81998
16 Hexadecimal 26704844
20 Vigesimal a1abbh0
36 Base36 anyaf8

Cryptographic Hash Functions

md5 21799a3f63e3521f0534c8486f33ddbb
sha1 969e9253d175470135bf962f1cea1a30aff78ece
sha256 82ceb577fa6f2c964355a167d8fd856bb62fab90260e889733fb5551d4057d75
sha512 40d540717c60db303c838be284c7fb572cd7f12bb8c8e5c0fffafc8c35e9a8b9560c9b8bdf427370bfdd166a0d533d562c0e9e9343cb60aa9ab030d20c2219a2
ripemd-160 f2c01f31940dd7ba847807f75ad061a537e4d6f4

644892740 as geometric shapes

Circle

Radius = n
Diameter 1289785480
Circumference 4051980588.6748
Area 1.3065464321286E+18

Sphere

Radius = n
Volume 1.1234430780702E+27
Surface area 5.2261857285146E+18
Circumference 4051980588.6748

Square

Length = n
Perimeter 2579570960
Area 415886646104707600
Diagonal 912016059.18395

Cube

Length = n
Surface area 2495319876628245600
Volume 2.6820227873588E+26
Space diagonal 1116986991.1123

Equilateral Triangle

Length = n
Perimeter 1934678220
Area 1.8008420031069E+17
Altitude 558493495.55615

Triangular Pyramid

Length = n
Surface area 1.8008420031069E+17
Volume 3.1607941670637E+25
Height 304005353.06132