1621385 (number)

1621385 is an odd 7-digits composite number following 1621384 and preceding 1621386. In scientific notation, it is written as 1.621385 × 10^6. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 1238688 positive integers (up to 1621385) that are relatively prime to 1621385.

Interesting facts

Basic properties

Name

Name one million six hundred twenty-one thousand three hundred eighty-five

Notation

Scientific notation 1.621385 × 10^6
Engineering notation 1.621385 × 10^6

Prime Factorization of 1621385

Prime Factorization 23 × 115 × 613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1621385
Product of the distinct prime numbers

The prime factorization of 1621385 is 23 × 115 × 613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1621385)

Multiplication

n×y
n×2 3242770
n×3 4864155
n×4 6485540
n×5 8106925

Division

n÷y
n÷2 810692.5
n÷3 540461.66666667
n÷3 405346.25
n÷5 324277

Exponentiation

ny
n2 2628889318225
n3 4262441707230241625
n4 6.9110590474775E+24
n5 1.1205487473694E+31

Nth Root

y√n
2√n 1273.3361692813
3√n 117.47948940316
4√n 35.6838362467
5√n 17.457306228197

Divisors of 1621385

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1621384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1621385 can be divided by 8 positive divisors. The sum of these divisors (counting 1621385) is 1, the average is 0.125.

Base conversion 1621385

Base System Value
2 Binary 110001011110110001001
3 Ternary 10001101010022
4 Quaternary 12023312021
5 Quinary 403341020
6 Senary 54430225
8 Octal 6136611
10 Decimal 1621385
12 Duodecimal 662375
16 Hexadecimal 18bd89
20 Vigesimal a2d95
36 Base36 yr2h

Cryptographic Hash Functions

md5 68dadd106cf668458d49e86c9a86378d
sha1 9ef66d6c6fd4d9eb256dd16e94bd97047b7b1060
sha256 6a3f7aa4d4f472397747adca111dcba69083ffabde57c74c6d55a6e193fa867e
sha512 9c65e65cc8a8701141a2775da5ee45f91cb06fb78d145ab84dd490d2b0b814f0c7a318daa06fbb0175d11a3922faf19777de8ae95d21dac25dd08c9b975f138a
ripemd-160 ad807e59752e761e57a6cf2fd48e43ae49b1ae29

1621385 as geometric shapes

Circle

Radius = n
Diameter 3242770
Circumference 10187462.409281
Area 8258899369236.3

Sphere

Radius = n
Volume 1.7854474071719E+19
Surface area 33035597476945
Circumference 10187462.409281

Square

Length = n
Perimeter 6485540
Area 2628889318225
Diagonal 2292984.6568283

Cube

Length = n
Surface area 15773335909350
Volume 4262441707230241625
Space diagonal 2808321.1986301

Equilateral Triangle

Length = n
Perimeter 4864155
Area 1138342466660.2
Altitude 1404160.599315

Triangular Pyramid

Length = n
Surface area 1138342466660.2
Volume 5.0233357259914E+17
Height 764328.21894277