1666721 (number)

1666721 is an odd 7-digits composite number following 1666720 and preceding 1666722. In scientific notation, it is written as 1.666721 × 10^6. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 1428612 positive integers (up to 1666721) that are relatively prime to 1666721.

Interesting facts

Basic properties

Name

Name one million six hundred sixty-six thousand seven hundred twenty-one

Notation

Scientific notation 1.666721 × 10^6
Engineering notation 1.666721 × 10^6

Prime Factorization of 1666721

Prime Factorization 7 × 238103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1666721
Product of the distinct prime numbers

The prime factorization of 1666721 is 7 × 238103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1666721)

Multiplication

n×y
n×2 3333442
n×3 5000163
n×4 6666884
n×5 8333605

Division

n÷y
n÷2 833360.5
n÷3 555573.66666667
n÷3 416680.25
n÷5 333344.2

Exponentiation

ny
n2 2777958891841
n3 4630082422168123361
n4 7.7170556047585E+24
n5 1.2862178634619E+31

Nth Root

y√n
2√n 1291.0154917738
3√n 118.56439852147
4√n 35.93070402558
5√n 17.553858025048

Divisors of 1666721

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 -1666720
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 1666721 can be divided by 4 positive divisors. The sum of these divisors (counting 1666721) is 1, the average is 0.25.

Base conversion 1666721

Base System Value
2 Binary 110010110111010100001
3 Ternary 10010200022102
4 Quaternary 12112322201
5 Quinary 411313341
6 Senary 55420145
8 Octal 6267241
10 Decimal 1666721
12 Duodecimal 684655
16 Hexadecimal 196ea1
20 Vigesimal a86g1
36 Base36 zq1t

Cryptographic Hash Functions

md5 5717be2ca5fcf5255c66fc2b64d75253
sha1 ecd1836513a5975a9aed1980c9aef95af8f36f29
sha256 bfcb345a8b744de8ae1d280a9f634632121e99c59c973acd1afe8a8e8a68195e
sha512 90c6da25de057afb79f6edcf330d1036551b72fda692ea978c55a778d835c23c464628de7dec97b5a8410934f1a4bc4949d327e6524d4325430f67c55f879442
ripemd-160 7650d1db3432475979cd104de2996d848c7e5239

1666721 as geometric shapes

Circle

Radius = n
Diameter 3333442
Circumference 10472316.898368
Area 8727215246582.1

Sphere

Radius = n
Volume 1.9394443897331E+19
Surface area 34908860986329
Circumference 10472316.898368

Square

Length = n
Perimeter 6666884
Area 2777958891841
Diagonal 2357099.442892

Cube

Length = n
Surface area 16667753351046
Volume 4630082422168123361
Space diagonal 2886845.454042

Equilateral Triangle

Length = n
Perimeter 5000163
Area 1202891485501.6
Altitude 1443422.727021

Triangular Pyramid

Length = n
Surface area 1202891485501.6
Volume 5.4566044636129E+17
Height 785699.81429735