1661496721 (number)

1661496721 is an odd 10-digits composite number following 1661496720 and preceding 1661496722. In scientific notation, it is written as 1.661496721 × 10^9. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 1661046244 positive integers (up to 1661496721) that are relatively prime to 1661496721.

Interesting facts

Basic properties

Name

Name one billion six hundred sixty-one million four hundred ninety-six thousand seven hundred twenty-one

Notation

Scientific notation 1.661496721 × 10^9
Engineering notation 1.661496721 × 10^9

Prime Factorization of 1661496721

Prime Factorization 3719 × 446759

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1661496721
Product of the distinct prime numbers

The prime factorization of 1661496721 is 3719 × 446759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 99, 41, 489, 370, 877, 6659, 23420, 1731, 541964, 465745, 5940757, 3013359, 8160621, 57804259, 46301284, 571522697, 1415836263, 8294652734

Basic calculations (n = 1661496721)

Multiplication

n×y
n×2 3322993442
n×3 4984490163
n×4 6645986884
n×5 8307483605

Division

n÷y
n÷2 830748360.5
n÷3 553832240.33333
n÷3 415374180.25
n÷5 332299344.2

Exponentiation

ny
n2 2760571353893751841
n3 4.586680252581E+27
n4 7.6207541999388E+36
n5 1.2661858114745E+46

Nth Root

y√n
2√n 40761.461222581
3√n 1184.4039020346
4√n 201.89467853953
5√n 69.839303203962

Divisors of 1661496721

1, 3719, 446759, 1661496721

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 -1661496720
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 1661496721 can be divided by 4 positive divisors. The sum of these divisors (counting 1661496721) is 1, the average is 0.25.

Base conversion 1661496721

Base System Value
2 Binary 1100011000010000110110110010001
3 Ternary 11021210101210000121
4 Quaternary 1203002012312101
5 Quinary 11400320343341
6 Senary 432511350241
8 Octal 14302066621
10 Decimal 1661496721
12 Duodecimal 3a4522381
16 Hexadecimal 63086d91
20 Vigesimal 15j471g1
36 Base36 rh7n2p

Cryptographic Hash Functions

md5 2b5d31372f4e99c228db03d45c077563
sha1 addbeceb014e77baff6a3412797bb2a51bef84c1
sha256 165c112bb7542c5790dd893fcc711b451b913e27562ba707068c3aa6053892a4
sha512 aaa1d058d7e73783c0742af39827dac357b44acec10a02fb05a3f6eacad21e9aceee51c2fa2f127d8e3069b484980b56823224d26f16768879dbe0e6b447280a
ripemd-160 1caf39bf47ba62c11a4f8b30b69aa704629bd4b4

1661496721 as geometric shapes

Circle

Radius = n
Diameter 3322993442
Circumference 10439491785.314
Area 8.672590685103E+18

Sphere

Radius = n
Volume 1.9212641314498E+28
Surface area 3.4690362740412E+19
Circumference 10439491785.314

Square

Length = n
Perimeter 6645986884
Area 2760571353893751841
Diagonal 2349711196.6766

Cube

Length = n
Surface area 1.6563428123363E+19
Volume 4.586680252581E+27
Space diagonal 2877796737.3811

Equilateral Triangle

Length = n
Perimeter 4984490163
Area 1.1953624607158E+18
Altitude 1438898368.6905

Triangular Pyramid

Length = n
Surface area 1.1953624607158E+18
Volume 5.4054545162241E+26
Height 783237065.55888