1661520388 (number)

1661520388 is an even 10-digits composite number following 1661520387 and preceding 1661520389. In scientific notation, it is written as 1.661520388 × 10^9. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 755236520 positive integers (up to 1661520388) that are relatively prime to 1661520388.

Interesting facts

Basic properties

Name

Name one billion six hundred sixty-one million five hundred twenty thousand three hundred eighty-eight

Notation

Scientific notation 1.661520388 × 10^9
Engineering notation 1.661520388 × 10^9

Prime Factorization of 1661520388

Prime Factorization 2 × 2 × 11 × 37761827

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 830760194
Product of the distinct prime numbers

The prime factorization of 1661520388 is 2 × 2 × 11 × 37761827. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 85, 1, 203, 120, 6487, 4513, 30211, 5237, 564639, 258437, 9313904, 2331959, 32830785, 36544789, 317047821, 85198572, 9640934900, 6197569409

Basic calculations (n = 1661520388)

Multiplication

n×y
n×2 3323040776
n×3 4984561164
n×4 6646081552
n×5 8307601940

Division

n÷y
n÷2 830760194
n÷3 553840129.33333
n÷3 415380097
n÷5 332304077.6

Exponentiation

ny
n2 2760649999739670544
n3 4.5868762586997E+27
n4 7.6211884210626E+36
n5 1.2662759942385E+46

Nth Root

y√n
2√n 40761.751532534
3√n 1184.4095257099
4√n 201.89539750211
5√n 69.839502166422

Divisors of 1661520388

1, 2, 4, 11, 22, 44, 37761827, 75523654, 151047308, 415380097, 830760194, 1661520388

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1661520387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1661520388 can be divided by 12 positive divisors. The sum of these divisors (counting 1661520388) is 1, the average is 0.083333333333333.

Base conversion 1661520388

Base System Value
2 Binary 1100011000010001100101000000100
3 Ternary 11021210102222111011
4 Quaternary 1203002030220010
5 Quinary 11400322123023
6 Senary 432512052004
8 Octal 14302145004
10 Decimal 1661520388
12 Duodecimal 3a4534004
16 Hexadecimal 6308ca04
20 Vigesimal 15j4a0j8
36 Base36 rh85c4

Cryptographic Hash Functions

md5 399b7c1d0c129240200cb3d8dfd6ec4e
sha1 c2e9ed2c47f95924b686643cc299f22b6306db24
sha256 c9f2e4ec4c0af158df2d7fb47a6f7d55b6b4a267f112ce584163d556abcda659
sha512 a68d9b55e871d6d7bb09e60ecf310bedb4e85e614dfca2a1cacb5ed4cbc1e5931eadc2ee05cbc34b5938ea66609467b77e8689b2dbcfcff4a881ccdebddda935
ripemd-160 345e9cdd1a3b68d4e17fa2f330f2be49bef99221

1661520388 as geometric shapes

Circle

Radius = n
Diameter 3323040776
Circumference 10439640489.461
Area 8.6728377583148E+18

Sphere

Radius = n
Volume 1.9213462343008E+28
Surface area 3.4691351033259E+19
Circumference 10439640489.461

Square

Length = n
Perimeter 6646081552
Area 2760649999739670544
Diagonal 2349744666.869

Cube

Length = n
Surface area 1.6563899998438E+19
Volume 4.5868762586997E+27
Space diagonal 2877837729.8276

Equilateral Triangle

Length = n
Perimeter 4984561164
Area 1.195396515366E+18
Altitude 1438918864.9138

Triangular Pyramid

Length = n
Surface area 1.195396515366E+18
Volume 5.4056855116502E+26
Height 783248222.28967