201981721 (number)

201981721 is an odd 9-digits composite number following 201981720 and preceding 201981722. In scientific notation, it is written as 2.01981721 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 198558244 positive integers (up to 201981721) that are relatively prime to 201981721.

Interesting facts

Basic properties

Name

Name two hundred one million nine hundred eighty-one thousand seven hundred twenty-one

Notation

Scientific notation 2.01981721 × 10^8
Engineering notation 2.01981721 × 10^6

Prime Factorization of 201981721

Prime Factorization 59 × 3423419

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 201981721
Product of the distinct prime numbers

The prime factorization of 201981721 is 59 × 3423419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201981721)

Multiplication

n×y
n×2 403963442
n×3 605945163
n×4 807926884
n×5 1009908605

Division

n÷y
n÷2 100990860.5
n÷3 67327240.333333
n÷3 50495430.25
n÷5 40396344.2

Exponentiation

ny
n2 40796615618121841
n3 8.2401706335237E+24
n4 1.6643638458928E+33
n5 3.361710739636E+41

Nth Root

y√n
2√n 14212.027336028
3√n 586.72873206286
4√n 119.21420777755
5√n 45.820773228603

Divisors of 201981721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -201981720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201981721 can be divided by 4 positive divisors. The sum of these divisors (counting 201981721) is 1, the average is 0.25.

Base conversion 201981721

Base System Value
2 Binary 1100000010011111111100011001
3 Ternary 112002001201211111
4 Quaternary 30002133330121
5 Quinary 403201403341
6 Senary 32013100321
8 Octal 1402377431
10 Decimal 201981721
12 Duodecimal 577876a1
16 Hexadecimal c09ff19
20 Vigesimal 3327e61
36 Base36 3c963d

Cryptographic Hash Functions

md5 99ca7565ba69b4dee2eaeea502c36cc7
sha1 428812fc3e0429085ad6bdcb6468f236b52f917e
sha256 978d7a107880938f84efcdb3f41116fa17e13830b900d1643130fbd8307584e1
sha512 9bed6b2732553719ab173876029a7642edc35d7c36f93194773a56044969a7802e68d5faaabbdd1fbee7b17c69a7ff821ea33b418e9f3246bfc0927b22f9d61d
ripemd-160 3d19aa2942715787c354450b8877f31af6abf324

201981721 as geometric shapes

Circle

Radius = n
Diameter 403963442
Circumference 1269088581.706
Area 1.2816634791722E+17

Sphere

Radius = n
Volume 3.4516346035473E+25
Surface area 5.1266539166887E+17
Circumference 1269088581.706

Square

Length = n
Perimeter 807926884
Area 40796615618121841
Diagonal 285645289.18966

Cube

Length = n
Surface area 244779693708731046
Volume 8.2401706335237E+24
Space diagonal 349842602.9722

Equilateral Triangle

Length = n
Perimeter 605945163
Area 1.7665452756861E+16
Altitude 174921301.4861

Triangular Pyramid

Length = n
Surface area 1.7665452756861E+16
Volume 9.7111342218315E+23
Height 95215096.396553