1645345 (number)

1645345 is an odd 7-digits composite number following 1645344 and preceding 1645346. In scientific notation, it is written as 1.645345 × 10^6. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 1142784 positive integers (up to 1645345) that are relatively prime to 1645345.

Interesting facts

Basic properties

Name

Name one million six hundred forty-five thousand three hundred forty-five

Notation

Scientific notation 1.645345 × 10^6
Engineering notation 1.645345 × 10^6

Prime Factorization of 1645345

Prime Factorization 85 × 13 × 1489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1645345
Product of the distinct prime numbers

The prime factorization of 1645345 is 85 × 13 × 1489. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 12, 20, 431, 839, 1786, 4477, 20435, 6769, 230160, 2795, 5139136, 4045475, 35430930, 35177280, 800861148, 390493683, 1996267072, 3677646300

Basic calculations (n = 1645345)

Multiplication

n×y
n×2 3290690
n×3 4936035
n×4 6581380
n×5 8226725

Division

n÷y
n÷2 822672.5
n÷3 548448.33333333
n÷3 411336.25
n÷5 329069

Exponentiation

ny
n2 2707160169025
n3 4454212448304438625
n4 7.3287161807555E+24
n5 1.2058266524425E+31

Nth Root

y√n
2√n 1282.7100217898
3√n 118.05534605627
4√n 35.814941320485
5√n 17.508598958899

Divisors of 1645345

1, 13, 85, 1105, 1489, 19357, 126565, 1645345

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 -1645344
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 1645345 can be divided by 8 positive divisors. The sum of these divisors (counting 1645345) is 1, the average is 0.125.

Base conversion 1645345

Base System Value
2 Binary 110010001101100100001
3 Ternary 10002120222201
4 Quaternary 12101230201
5 Quinary 410122340
6 Senary 55133201
8 Octal 6215441
10 Decimal 1645345
12 Duodecimal 674201
16 Hexadecimal 191b21
20 Vigesimal a5d75
36 Base36 z9k1

Cryptographic Hash Functions

md5 abcc18a0eec0f0cd8993a3cab2372792
sha1 280913e04733fe5cfa2d541c06626aff399d2da4
sha256 e979f643a61a0d1e6d7c9af5cea3ad15b92df32c5a215782b911f113c71ad76f
sha512 744dd8f75d939e7d4c95f5e3fee386ec229c898de9c3296c82e2a939ca240d0cd33810231931ee7a36ca3c5b562fd71bfd994cc6704b28c6fada2db710c81387
ripemd-160 261c610fbed7650a92a3dd9aaaf1b8323705ef44

1645345 as geometric shapes

Circle

Radius = n
Diameter 3290690
Circumference 10338007.529241
Area 8504794499099.8

Sphere

Radius = n
Volume 1.8657761473495E+19
Surface area 34019177996399
Circumference 10338007.529241

Square

Length = n
Perimeter 6581380
Area 2707160169025
Diagonal 2326869.2137828

Cube

Length = n
Surface area 16242961014150
Volume 4454212448304438625
Space diagonal 2849821.1359794

Equilateral Triangle

Length = n
Perimeter 4936035
Area 1172234739244.5
Altitude 1424910.5679897

Triangular Pyramid

Length = n
Surface area 1172234739244.5
Volume 5.249339711736E+17
Height 775623.07126092