645840984 (number)

645840984 is an even 9-digits composite number following 645840983 and preceding 645840985. In scientific notation, it is written as 6.45840984 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors. There are 215280320 positive integers (up to 645840984) that are relatively prime to 645840984.

Interesting facts

Basic properties

Name

Name six hundred forty-five million eight hundred forty thousand nine hundred eighty-four

Notation

Scientific notation 6.45840984 × 10^8
Engineering notation 6.45840984 × 10^6

Prime Factorization of 645840984

Prime Factorization 2 × 2 × 2 × 3 × 26910041

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 161460246
Product of the distinct prime numbers

The prime factorization of 645840984 is 2 × 2 × 2 × 3 × 26910041. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 40, 78, 333, 674, 7405, 9914, 81286, 52095, 304244, 897106, 2844170, 9424103, 13968418, 3302138, 266869627, 934337853, 3018930132, 7565734034

Basic calculations (n = 645840984)

Multiplication

n×y
n×2 1291681968
n×3 1937522952
n×4 2583363936
n×5 3229204920

Division

n÷y
n÷2 322920492
n÷3 215280328
n÷3 161460246
n÷5 129168196.8

Exponentiation

ny
n2 417110576614088256
n3 2.6938710523725E+26
n4 1.7398123312334E+35
n5 1.1236421079791E+44

Nth Root

y√n
2√n 25413.401661328
3√n 864.38761114748
4√n 159.41581371159
5√n 57.812948630022

Divisors of 645840984

1, 2, 3, 4, 6, 8, 12, 24, 26910041, 53820082, 80730123, 107640164, 161460246, 215280328, 322920492, 645840984

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -645840983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 645840984 can be divided by 16 positive divisors. The sum of these divisors (counting 645840984) is 1, the average is 0.0625.

Base conversion 645840984

Base System Value
2 Binary 100110011111101100000001011000
3 Ternary 1200000021010021110
4 Quaternary 212133230001120
5 Quinary 2310313402414
6 Senary 144030340320
8 Octal 4637540130
10 Decimal 645840984
12 Duodecimal 16035a6a0
16 Hexadecimal 267ec058
20 Vigesimal a1ga294
36 Base36 aoim3c

Cryptographic Hash Functions

md5 894d2aaea4213f786285ed1f4f0eac00
sha1 d41ea77186a22bd20d715b3472f5237264d88d1f
sha256 ec0a9cadb3b41fae6b71504f571b242a032a4361911b8fded4d007fbafdaf3d6
sha512 9d12be35630526f3b660864d3fb0d0eb6545db0e210b0f6e1b0a4a983a94af66468726fa56cce51752c8d6419a587a0977abbf4ec85a0eeb48c075ac430f4046
ripemd-160 73acc94fbeb674b1e0e1cf71d2be9ba0b5d1ea62

645840984 as geometric shapes

Circle

Radius = n
Diameter 1291681968
Circumference 4057938581.4432
Area 1.3103915232254E+18

Sphere

Radius = n
Volume 1.1284060677136E+27
Surface area 5.2415660929017E+18
Circumference 4057938581.4432

Square

Length = n
Perimeter 2583363936
Area 417110576614088256
Diagonal 913357078.70919

Cube

Length = n
Surface area 2502663459684529536
Volume 2.6938710523725E+26
Space diagonal 1118629397.8983

Equilateral Triangle

Length = n
Perimeter 1937522952
Area 1.8061417776749E+17
Altitude 559314698.94914

Triangular Pyramid

Length = n
Surface area 1.8061417776749E+17
Volume 3.1747574812912E+25
Height 304452359.56973