72051221 (number)

72051221 is an odd 8-digits composite number following 72051220 and preceding 72051222. In scientific notation, it is written as 7.2051221 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 63448320 positive integers (up to 72051221) that are relatively prime to 72051221.

Interesting facts

Basic properties

Name

Name seventy-two million fifty-one thousand two hundred twenty-one

Notation

Scientific notation 7.2051221 × 10^7
Engineering notation 7.2051221 × 10^6

Prime Factorization of 72051221

Prime Factorization 11 × 53 × 83 × 1489

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72051221
Product of the distinct prime numbers

The prime factorization of 72051221 is 11 × 53 × 83 × 1489. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72051221)

Multiplication

n×y
n×2 144102442
n×3 216153663
n×4 288204884
n×5 360256105

Division

n÷y
n÷2 36025610.5
n÷3 24017073.666667
n÷3 18012805.25
n÷5 14410244.2

Exponentiation

ny
n2 5191378447590841
n3 3.74045155822E+23
n4 2.6950410186111E+31
n5 1.9418099603601E+39

Nth Root

y√n
2√n 8488.2990640057
3√n 416.11539305321
4√n 92.13196548433
5√n 37.284495327468

Divisors of 72051221

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72051220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72051221 can be divided by 16 positive divisors. The sum of these divisors (counting 72051221) is 1, the average is 0.0625.

Base conversion 72051221

Base System Value
2 Binary 100010010110110101000010101
3 Ternary 12000120120200202
4 Quaternary 10102312220111
5 Quinary 121421114341
6 Senary 11052150245
8 Octal 422665025
10 Decimal 72051221
12 Duodecimal 20168385
16 Hexadecimal 44b6a15
20 Vigesimal 12a6811
36 Base36 16wb2t

Cryptographic Hash Functions

md5 6ce631381741b0e03fecaebff5b40030
sha1 46e1a1feec4e0a1f23f70472f1c6898efd9c41d7
sha256 94191c71af9fcfaf8bf9d14147452758ae8d413806fb078324fe2dc91e52d958
sha512 ab24124ab2af9785f07595ba9f35e2ea7614dd4b9b640430a084636686104053c2baacf3c8b0a26fb6a440abfffb29545c54503380c6df3152e6e1593d2b750d
ripemd-160 f7757247bd6094b6bbab6925fca763de2d48fb8f

72051221 as geometric shapes

Circle

Radius = n
Diameter 144102442
Circumference 452711173.15155
Area 1.6309196392956E+16

Sphere

Radius = n
Volume 1.566796684855E+24
Surface area 6.5236785571823E+16
Circumference 452711173.15155

Square

Length = n
Perimeter 288204884
Area 5191378447590841
Diagonal 101895813.92374

Cube

Length = n
Surface area 31148270685545046
Volume 3.74045155822E+23
Space diagonal 124796375.51937

Equilateral Triangle

Length = n
Perimeter 216153663
Area 2.2479328081363E+15
Altitude 62398187.759687

Triangular Pyramid

Length = n
Surface area 2.2479328081363E+15
Volume 4.408164435862E+22
Height 33965271.307914