1221489 (number)

1221489 is an odd 7-digits composite number following 1221488 and preceding 1221490. In scientific notation, it is written as 1.221489 × 10^6. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 814320 positive integers (up to 1221489) that are relatively prime to 1221489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.221489 × 10^6
Engineering notation 1.221489 × 10^6

Prime Factorization of 1221489

Prime Factorization 9 × 135721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1221489
Product of the distinct prime numbers

The prime factorization of 1221489 is 9 × 135721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1221489)

Multiplication

n×y
n×2 2442978
n×3 3664467
n×4 4885956
n×5 6107445

Division

n÷y
n÷2 610744.5
n÷3 407163
n÷3 305372.25
n÷5 244297.8

Exponentiation

ny
n2 1492035377121
n3 1822504800764153169
n4 2.2261695665806E+24
n5 2.719241637713E+30

Nth Root

y√n
2√n 1105.2099348088
3√n 106.89642640075
4√n 33.244697845051
5√n 16.49597204902

Divisors of 1221489

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 -1221488
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 1221489 can be divided by 4 positive divisors. The sum of these divisors (counting 1221489) is 1, the average is 0.25.

Base conversion 1221489

Base System Value
2 Binary 100101010001101110001
3 Ternary 2022001120100
4 Quaternary 10222031301
5 Quinary 303041424
6 Senary 42103013
8 Octal 4521561
10 Decimal 1221489
12 Duodecimal 4aaa69
16 Hexadecimal 12a371
20 Vigesimal 7cde9
36 Base36 q6i9

Cryptographic Hash Functions

md5 5f2dda63d1ec6a1ca014553e07a0779b
sha1 97c749e897265570bbbed040c7570b8a3f23e2ba
sha256 93e34a47c07ce4872cef1123396a3567521600768f46303376a96f9ac03e3f99
sha512 87401d103fcbbf26322ac7ff893258846a4aa125e49c8d6af66ce7ccf55df7df875930dac895e783c7864509c168e2fca12218dd7d7efcf8574f47631030bbd6
ripemd-160 3c2fd1d1b4724ad9283ceca071674d245b5624db

1221489 as geometric shapes

Circle

Radius = n
Diameter 2442978
Circumference 7674841.7376815
Area 4687367379659.4

Sphere

Radius = n
Volume 7.6340902576171E+18
Surface area 18749469518638
Circumference 7674841.7376815

Square

Length = n
Perimeter 4885956
Area 1492035377121
Diagonal 1727446.3100895

Cube

Length = n
Surface area 8952212262726
Volume 1822504800764153169
Space diagonal 2115681.0088865

Equilateral Triangle

Length = n
Perimeter 3664467
Area 646070269965.94
Altitude 1057840.5044433

Triangular Pyramid

Length = n
Surface area 646070269965.94
Volume 2.147842505609E+17
Height 575815.43669652