65720221 (number)

65720221 is an odd 8-digits composite number following 65720220 and preceding 65720222. In scientific notation, it is written as 6.5720221 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 52581312 positive integers (up to 65720221) that are relatively prime to 65720221.

Interesting facts

Basic properties

Name

Name sixty-five million seven hundred twenty thousand two hundred twenty-one

Notation

Scientific notation 6.5720221 × 10^7
Engineering notation 6.5720221 × 10^6

Prime Factorization of 65720221

Prime Factorization 7 × 7 × 73 × 19 × 967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9388603
Product of the distinct prime numbers

The prime factorization of 65720221 is 7 × 7 × 73 × 19 × 967. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 17, 77, 104, 287, 953, 7644, 39920, 43269, 957519, 777901, 6928697, 7163810, 33926506, 50407978, 73727861, 67954862, 9668357715, 5516131339

Basic calculations (n = 65720221)

Multiplication

n×y
n×2 131440442
n×3 197160663
n×4 262880884
n×5 328601105

Division

n÷y
n÷2 32860110.5
n÷3 21906740.333333
n÷3 16430055.25
n÷5 13144044.2

Exponentiation

ny
n2 4319147448288841
n3 2.8385532483313E+23
n4 1.865503468006E+31
n5 1.2260130019362E+39

Nth Root

y√n
2√n 8106.8009103468
3√n 403.55215584621
4√n 90.037774907795
5√n 36.604948741218

Divisors of 65720221

1, 7, 19, 49, 73, 133, 511, 931, 967, 1387, 3577, 6769, 9709, 18373, 47383, 67963, 70591, 128611, 494137, 900277, 1341229, 3458959, 9388603, 65720221

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 -65720220
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 65720221 can be divided by 24 positive divisors. The sum of these divisors (counting 65720221) is 1, the average is 0.041666666666667.

Base conversion 65720221

Base System Value
2 Binary 11111010101100111110011101
3 Ternary 11120122221012021
4 Quaternary 3322230332131
5 Quinary 113311021341
6 Senary 10304340141
8 Octal 372547635
10 Decimal 65720221
12 Duodecimal 1a014651
16 Hexadecimal 3eacf9d
20 Vigesimal 10af0b1
36 Base36 134m1p

Cryptographic Hash Functions

md5 7e88749ca082a0d3f59c10367fc290ff
sha1 f32962ff4864b40054a7a21b4241a7706df91a25
sha256 93028603682727681468243f4a0a79027fac0607c557af319dfb893cb4dcdce6
sha512 aa9f22a6aadad564561709ec671fd3b51e1c50f7c4b6d7574dcfadcca9fc9fd3db32a8389f5bfb3add590f987e0dd422a9a8cd73b21665a65a0b39ecbf7dabd1
ripemd-160 6245b6ac35bc0f7e36a7bb8341f25fb73f806c22

65720221 as geometric shapes

Circle

Radius = n
Diameter 131440442
Circumference 412932326.9718
Area 1.3569001893315E+16

Sphere

Radius = n
Volume 1.1890104042375E+24
Surface area 5.4276007573261E+16
Circumference 412932326.9718

Square

Length = n
Perimeter 262880884
Area 4319147448288841
Diagonal 92942427.860357

Cube

Length = n
Surface area 25914884689733046
Volume 2.8385532483313E+23
Space diagonal 113830761.85666

Equilateral Triangle

Length = n
Perimeter 197160663
Area 1.8702457064544E+15
Altitude 56915380.928328

Triangular Pyramid

Length = n
Surface area 1.8702457064544E+15
Volume 3.3452670844236E+22
Height 30980809.286786