64721000 (number)

64721000 is an even 8-digits composite number following 64720999 and preceding 64721001. In scientific notation, it is written as 6.4721000 × 10^7. The sum of its digits is 20. It has a total of 7 prime factors and 64 positive divisors. There are 25440000 positive integers (up to 64721000) that are relatively prime to 64721000.

Interesting facts

Basic properties

Name

Name sixty-four million seven hundred twenty-one thousand

Notation

Scientific notation 6.4721000 × 10^7
Engineering notation 6.4721000 × 10^6

Prime Factorization of 64721000

Prime Factorization 2 × 2 × 2 × 25 × 5 × 61 × 1061

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16180250
Product of the distinct prime numbers

The prime factorization of 64721000 is 2 × 2 × 2 × 25 × 5 × 61 × 1061. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 5, 66, 79, 802, 751, 5453, 2442, 18842, 7499, 256153, 156520, 3572017, 1291708, 64811198, 99442145, 101821561, 312578101, 7423542552, 6848266697

Basic calculations (n = 64721000)

Multiplication

n×y
n×2 129442000
n×3 194163000
n×4 258884000
n×5 323605000

Division

n÷y
n÷2 32360500
n÷3 21573666.666667
n÷3 16180250
n÷5 12944200

Exponentiation

ny
n2 4188807841000000
n3 2.7110383227736E+23
n4 1.7546111128823E+31
n5 1.1356018583686E+39

Nth Root

y√n
2√n 8044.9362955837
3√n 401.49647773745
4√n 89.693568864126
5√n 36.492956025219

Divisors of 64721000

1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 488, 500, 610, 1000, 1061, 1220, 1525, 2122, 2440, 3050, 4244, 5305, 6100, 7625, 8488, 10610, 12200, 15250, 21220, 26525, 30500, 42440, 53050, 61000, 64721, 106100, 129442, 132625, 212200, 258884, 265250, 323605, 517768, 530500, 647210, 1061000, 1294420, 1618025, 2588840, 3236050, 6472100, 8090125, 12944200, 16180250, 32360500, 64721000

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 -64720999
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 64721000 can be divided by 64 positive divisors. The sum of these divisors (counting 64721000) is 1, the average is 0.015625.

Base conversion 64721000

Base System Value
2 Binary 11110110111001000001101000
3 Ternary 11111210011112002
4 Quaternary 3312321001220
5 Quinary 113032033000
6 Senary 10231110132
8 Octal 366710150
10 Decimal 64721000
12 Duodecimal 19812348
16 Hexadecimal 3db9068
20 Vigesimal 104a2a0
36 Base36 12j71k

Cryptographic Hash Functions

md5 9b6906b1c0250f8e881cd4249c7813a4
sha1 7d7d44709e692f289dae3c3483a5a8e6e847cf0d
sha256 861760a4edab61c063555f3fcc8d47253a0f2254774c9f15a287e3cc090a265d
sha512 7355f9b02077f49f449fe5fa500ab967b94758834f7d055ea86248e8cc57b9b68901c98fb3014c5b3ae54f4b9e37a1094f187063069dc06da2102788135ceb9f
ripemd-160 af8267c55812e17ed33c04b98d6f19d93cda75fb

64721000 as geometric shapes

Circle

Radius = n
Diameter 129442000
Circumference 406654036.26597
Area 1.3159527940585E+16

Sphere

Radius = n
Volume 1.1355970771235E+24
Surface area 5.263811176234E+16
Circumference 406654036.26597

Square

Length = n
Perimeter 258884000
Area 4188807841000000
Diagonal 91529315.970349

Cube

Length = n
Surface area 25132847046000000
Volume 2.7110383227736E+23
Space diagonal 112100060.31667

Equilateral Triangle

Length = n
Perimeter 194163000
Area 1.8138070009387E+15
Altitude 56050030.158333

Triangular Pyramid

Length = n
Surface area 1.8138070009387E+15
Volume 3.194989303483E+22
Height 30509771.990116