645366989 (number)

645366989 is an odd 9-digits prime number following 645366988 and preceding 645366990. In scientific notation, it is written as 6.45366989 × 10^8. The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors. There are 645366988 positive integers (up to 645366989) that are relatively prime to 645366989.

Interesting facts

Basic properties

Name

Name six hundred forty-five million three hundred sixty-six thousand nine hundred eighty-nine

Notation

Scientific notation 6.45366989 × 10^8
Engineering notation 6.45366989 × 10^6

Prime Factorization of 645366989

Prime Factorization 645366989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 645366989
Product of the distinct prime numbers

The prime factorization of 645366989 is 645366989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 4, 13, 68, 973, 613, 76, 7521, 71268, 3050, 421305, 583510, 5029960, 2346528, 69620509, 67990461, 1967049, 90576891, 2367506039, 318758504

Basic calculations (n = 645366989)

Multiplication

n×y
n×2 1290733978
n×3 1936100967
n×4 2581467956
n×5 3226834945

Division

n÷y
n÷2 322683494.5
n÷3 215122329.66667
n÷3 161341747.25
n÷5 129073397.8

Exponentiation

ny
n2 416498550490926121
n3 2.6879441545319E+26
n4 1.7347104256104E+35
n5 1.1195248441631E+44

Nth Root

y√n
2√n 25404.074259851
3√n 864.17609588318
4√n 159.38655608253
5√n 57.804460132867

Divisors of 645366989

1, 645366989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 645366990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 322683495
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25404.074279532
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999996901
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 645366989 can be divided by 2 positive divisors. The sum of these divisors (counting 645366989) is 645366990, the average is 322683495.

Base conversion 645366989

Base System Value
2 Binary 100110011101111000010011001101
3 Ternary 1122222101001002002
4 Quaternary 212131320103031
5 Quinary 2310203220424
6 Senary 144012242045
8 Octal 4635702315
10 Decimal 645366989
12 Duodecimal 160170325
16 Hexadecimal 267784cd
20 Vigesimal a1dah99
36 Base36 ao8gct

Cryptographic Hash Functions

md5 7a2f03e6c2f841a3db25c72ec33d5672
sha1 2da8558a0a42c742fb6740cd24b390032d75994e
sha256 b534d8aa0a05b7c7c60bef47ada7b58061c539835ea71fb47bf69b9c24d7d6fe
sha512 d46fc9dea6604a6ebeedf693d17ac487034de12288d9764f40c5aa4baa2fd4e6be0ef59274763694a2c969189ce5e4f98d906bed84d7dc6a177c476c8eedec33
ripemd-160 637c9da27ba6994234a2fff6157de877922e9787

645366989 as geometric shapes

Circle

Radius = n
Diameter 1290733978
Circumference 4054960383.0235
Area 1.3084687864531E+18

Sphere

Radius = n
Volume 1.1259234145516E+27
Surface area 5.2338751458124E+18
Circumference 4054960383.0235

Square

Length = n
Perimeter 2581467956
Area 416498550490926121
Diagonal 912686748.55169

Cube

Length = n
Surface area 2498991302945556726
Volume 2.6879441545319E+26
Space diagonal 1117808414.4757

Equilateral Triangle

Length = n
Perimeter 1936100967
Area 1.8034916268227E+17
Altitude 558904207.23787

Triangular Pyramid

Length = n
Surface area 1.8034916268227E+17
Volume 3.1677725652005E+25
Height 304228916.1839