645620121 (number)

645620121 is an odd 9-digits composite number following 645620120 and preceding 645620122. In scientific notation, it is written as 6.45620121 × 10^8. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 424841760 positive integers (up to 645620121) that are relatively prime to 645620121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.45620121 × 10^8
Engineering notation 6.45620121 × 10^6

Prime Factorization of 645620121

Prime Factorization 1143 × 211 × 2677

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 645620121
Product of the distinct prime numbers

The prime factorization of 645620121 is 1143 × 211 × 2677. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 9, 5, 24, 190, 584, 1850, 2668, 89489, 17772, 384695, 288388, 9509424, 9984364, 19479528, 2108641, 221443260, 596006645, 7188087873, 7801627185

Basic calculations (n = 645620121)

Multiplication

n×y
n×2 1291240242
n×3 1936860363
n×4 2582480484
n×5 3228100605

Division

n÷y
n÷2 322810060.5
n÷3 215206707
n÷3 161405030.25
n÷5 129124024.2

Exponentiation

ny
n2 416825340640054641
n3 2.691108268599E+26
n4 1.737433645997E+35
n5 1.121722120758E+44

Nth Root

y√n
2√n 25409.055885648
3√n 864.28906624646
4√n 159.40218281331
5√n 57.808993945016

Divisors of 645620121

1, 211, 1143, 2677, 241173, 564847, 3059811, 645620121

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 -645620120
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 645620121 can be divided by 8 positive divisors. The sum of these divisors (counting 645620121) is 1, the average is 0.125.

Base conversion 645620121

Base System Value
2 Binary 100110011110110110000110011001
3 Ternary 1122222211220022100
4 Quaternary 212132312012121
5 Quinary 2310234320441
6 Senary 144021514013
8 Octal 4636660631
10 Decimal 645620121
12 Duodecimal 160272909
16 Hexadecimal 267b6199
20 Vigesimal a1f2a61
36 Base36 aodvo9

Cryptographic Hash Functions

md5 df9633390605f6a38c258858f9505126
sha1 1ab0afdf3d86e733c9ecc1291d5223a573fb98ef
sha256 c97687cd472fe7edd610acbec949dea825fa618adcc989a6c1829bd5a43217c9
sha512 94c3e8fb8f6a4940cb89fae925bb784730e5ce188710e4947fe799b1b369fbc55d63201e21187ceff5b89dacf6bda217b7aee237db2c191f99f911632ebe9aa3
ripemd-160 1509e1e1b2936247647fc61853c52cbe7e30f0c5

645620121 as geometric shapes

Circle

Radius = n
Diameter 1291240242
Circumference 4056550858.2867
Area 1.3094954279849E+18

Sphere

Radius = n
Volume 1.1272487955527E+27
Surface area 5.2379817119394E+18
Circumference 4056550858.2867

Square

Length = n
Perimeter 2582480484
Area 416825340640054641
Diagonal 913044731.25916

Cube

Length = n
Surface area 2500952043840327846
Volume 2.691108268599E+26
Space diagonal 1118246851.9608

Equilateral Triangle

Length = n
Perimeter 1936860363
Area 1.8049066696769E+17
Altitude 559123425.98038

Triangular Pyramid

Length = n
Surface area 1.8049066696769E+17
Volume 3.1715015093892E+25
Height 304348243.75305