721000221 (number)

721000221 is an odd 9-digits composite number following 721000220 and preceding 721000222. In scientific notation, it is written as 7.21000221 × 10^8. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 469488432 positive integers (up to 721000221) that are relatively prime to 721000221.

Interesting facts

Basic properties

Name

Name seven hundred twenty-one million two hundred twenty-one

Notation

Scientific notation 7.21000221 × 10^8
Engineering notation 7.21000221 × 10^6

Prime Factorization of 721000221

Prime Factorization 3 × 43 × 5589149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 721000221
Product of the distinct prime numbers

The prime factorization of 721000221 is 3 × 43 × 5589149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 53, 36, 71, 522, 9771, 915, 25924, 75011, 390024, 360540, 12091, 1740904, 33359054, 75245102, 549787876, 36893244, 545103487, 3403358585

Basic calculations (n = 721000221)

Multiplication

n×y
n×2 1442000442
n×3 2163000663
n×4 2884000884
n×5 3605001105

Division

n÷y
n÷2 360500110.5
n÷3 240333407
n÷3 180250055.25
n÷5 144200044.2

Exponentiation

ny
n2 519841318682048841
n3 3.7480570565469E+26
n4 2.7023499660909E+35
n5 1.9483949227709E+44

Nth Root

y√n
2√n 26851.44727943
3√n 896.69579385735
4√n 163.86411223764
5√n 59.09994538817

Divisors of 721000221

1, 3, 43, 129, 5589149, 16767447, 240333407, 721000221

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -721000220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 721000221 can be divided by 8 positive divisors. The sum of these divisors (counting 721000221) is 1, the average is 0.125.

Base conversion 721000221

Base System Value
2 Binary 101010111110011001011100011101
3 Ternary 1212020200121100220
4 Quaternary 222332121130131
5 Quinary 2434034001341
6 Senary 155313311553
8 Octal 5276313435
10 Decimal 721000221
12 Duodecimal 1815655b9
16 Hexadecimal 2af9971d
20 Vigesimal b5650b1
36 Base36 bx9jbx

Cryptographic Hash Functions

md5 99b02ffc6bf225c9d262647d07065564
sha1 d10ac5ccab249608f8153212dab16353f04259d0
sha256 7bd0fe47f89e1b41d10a98ef00b051967b458230fc34b620fa9d9ae7bbc6bc74
sha512 3368b4a6dd4d9dcdf753836d872787b912986e39b7f8f043bbb1419bba5c6d40c6666844adc4d19494a476ceace734a6f17f1d251a5f70d5001728ff0bd883a7
ripemd-160 46ebeeeb45e4209336dbb8984b8811e32df93bd0

721000221 as geometric shapes

Circle

Radius = n
Diameter 1442000442
Circumference 4530177995.0604
Area 1.633129667804E+18

Sphere

Radius = n
Volume 1.5699824685444E+27
Surface area 6.5325186712158E+18
Circumference 4530177995.0604

Square

Length = n
Perimeter 2884000884
Area 519841318682048841
Diagonal 1019648291.0122

Cube

Length = n
Surface area 3119047912092293046
Volume 3.7480570565469E+26
Space diagonal 1248809015.0404

Equilateral Triangle

Length = n
Perimeter 2163000663
Area 2.2509789395773E+17
Altitude 624404507.52019

Triangular Pyramid

Length = n
Surface area 2.2509789395773E+17
Volume 4.4171276015973E+25
Height 339882763.67073