1661640 (number)

1661640 is an even 7-digits composite number following 1661639 and preceding 1661641. In scientific notation, it is written as 1.661640 × 10^6. The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors. There are 433920 positive integers (up to 1661640) that are relatively prime to 1661640.

Interesting facts

Basic properties

Name

Name one million six hundred sixty-one thousand six hundred forty

Notation

Scientific notation 1.661640 × 10^6
Engineering notation 1.661640 × 10^6

Prime Factorization of 1661640

Prime Factorization 2 × 2 × 2 × 15 × 227 × 61

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 415410
Product of the distinct prime numbers

The prime factorization of 1661640 is 2 × 2 × 2 × 15 × 227 × 61. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 3, 80, 41, 716, 897, 8593, 3553, 29831, 42994, 743362, 951511, 6939319, 2903752, 71270431, 95389604, 893354422, 185115662, 6335604707, 2736673848

Basic calculations (n = 1661640)

Multiplication

n×y
n×2 3323280
n×3 4984920
n×4 6646560
n×5 8308200

Division

n÷y
n÷2 830820
n÷3 553880
n÷3 415410
n÷5 332328

Exponentiation

ny
n2 2761047489600
n3 4587866950618944000
n4 7.6233832398265E+24
n5 1.2667318526625E+31

Nth Root

y√n
2√n 1289.0461589873
3√n 118.44379467059
4√n 35.903288971727
5√n 17.543142360975

Divisors of 1661640

1, 2, 4, 8, 15, 30, 60, 61, 120, 122, 227, 244, 454, 488, 908, 915, 1816, 1830, 3405, 3660, 6810, 7320, 13620, 13847, 27240, 27694, 55388, 110776, 207705, 415410, 830820, 1661640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1661639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1661640 can be divided by 32 positive divisors. The sum of these divisors (counting 1661640) is 1, the average is 0.03125.

Base conversion 1661640

Base System Value
2 Binary 110010101101011001000
3 Ternary 10010102100020
4 Quaternary 12111223020
5 Quinary 411133030
6 Senary 55340440
8 Octal 6255310
10 Decimal 1661640
12 Duodecimal 681720
16 Hexadecimal 195ac8
20 Vigesimal a7e20
36 Base36 zm4o

Cryptographic Hash Functions

md5 2c8af72846703665a08b3e5f929e650f
sha1 a81dc36d02088a7b58fef50bbba8d978eca2734d
sha256 323436eecf9c1444f8863836ccdebdad8789a56b9ddba46eaff7644fac7ec4b8
sha512 872d77d2106f162ac3ec4137c20a5d9e3213ed8e09e92521932731b48c26489399f91240e973c64682e7589f553a344f5dfebc089416ff40399a8d0b8e606985
ripemd-160 dfeca32796af2ea93673860a37751267348ee2c0

1661640 as geometric shapes

Circle

Radius = n
Diameter 3323280
Circumference 10440392.033822
Area 8674086509539.9

Sphere

Radius = n
Volume 1.9217612143616E+19
Surface area 34696346038160
Circumference 10440392.033822

Square

Length = n
Perimeter 6646560
Area 2761047489600
Diagonal 2349913.8237816

Cube

Length = n
Surface area 16566284937600
Volume 4587866950618944000
Space diagonal 2878044.9038887

Equilateral Triangle

Length = n
Perimeter 4984920
Area 1195568633524.4
Altitude 1439022.4519444

Triangular Pyramid

Length = n
Surface area 1195568633524.4
Volume 5.4068530532738E+17
Height 783304.60792721