646989397 (number)

646989397 is an odd 9-digits composite number following 646989396 and preceding 646989398. In scientific notation, it is written as 6.46989397 × 10^8. The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors. There are 641124000 positive integers (up to 646989397) that are relatively prime to 646989397.

Interesting facts

Basic properties

Name

Name six hundred forty-six million nine hundred eighty-nine thousand three hundred ninety-seven

Notation

Scientific notation 6.46989397 × 10^8
Engineering notation 6.46989397 × 10^6

Prime Factorization of 646989397

Prime Factorization 199 × 251 × 12953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 646989397
Product of the distinct prime numbers

The prime factorization of 646989397 is 199 × 251 × 12953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 36, 52, 982, 49, 469, 8024, 81912, 34453, 176746, 473675, 2243351, 8164241, 71987056, 44229768, 291683994, 873204571, 8864948570, 1078336842

Basic calculations (n = 646989397)

Multiplication

n×y
n×2 1293978794
n×3 1940968191
n×4 2587957588
n×5 3234946985

Division

n÷y
n÷2 323494698.5
n÷3 215663132.33333
n÷3 161747349.25
n÷5 129397879.4

Exponentiation

ny
n2 418595279830423609
n3 2.7082670768453E+26
n4 1.7522200829631E+35
n5 1.1336678148876E+44

Nth Root

y√n
2√n 25435.986259628
3√n 864.89964955676
4√n 159.48663348265
5√n 57.833494235057

Divisors of 646989397

1, 199, 251, 12953, 49949, 2577647, 3251203, 646989397

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 -646989396
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 646989397 can be divided by 8 positive divisors. The sum of these divisors (counting 646989397) is 1, the average is 0.125.

Base conversion 646989397

Base System Value
2 Binary 100110100100000100011001010101
3 Ternary 1200002102110121021
4 Quaternary 212210010121111
5 Quinary 2311112130042
6 Senary 144111121141
8 Octal 4644043125
10 Decimal 646989397
12 Duodecimal 1608131b1
16 Hexadecimal 26904655
20 Vigesimal a23dd9h
36 Base36 ap787p

Cryptographic Hash Functions

md5 982fcdeb098d724c2ebfd8f4ef11e375
sha1 47787e0f9955dcc4890e49f4858c24c6deacbba9
sha256 fbfe74d975ca721839b850cecb9e6a5a96224b866d602736724fab9285fee50e
sha512 f1ac09fc27fab871af3901787240646b3b6c720b123a7a5e66f2467f26d26d3f41f7155b2cc0acac3939dade18fd5a62d2adbac2a63467c68dd19316893e33e3
ripemd-160 20f4d6005d282e0df6036d2e9508985b51f1525d

646989397 as geometric shapes

Circle

Radius = n
Diameter 1293978794
Circumference 4065154273.1314
Area 1.3150558559426E+18

Sphere

Radius = n
Volume 1.1344362603435E+27
Surface area 5.2602234237705E+18
Circumference 4065154273.1314

Square

Length = n
Perimeter 2587957588
Area 418595279830423609
Diagonal 914981179.94899

Cube

Length = n
Surface area 2511571678982541654
Volume 2.7082670768453E+26
Space diagonal 1120618507.5624

Equilateral Triangle

Length = n
Perimeter 1940968191
Area 1.812570731187E+17
Altitude 560309253.78118

Triangular Pyramid

Length = n
Surface area 1.812570731187E+17
Volume 3.191723358836E+25
Height 304993726.64966