642912397 (number)

642912397 is an odd 9-digits composite number following 642912396 and preceding 642912398. In scientific notation, it is written as 6.42912397 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 620742976 positive integers (up to 642912397) that are relatively prime to 642912397.

Interesting facts

Basic properties

Name

Name six hundred forty-two million nine hundred twelve thousand three hundred ninety-seven

Notation

Scientific notation 6.42912397 × 10^8
Engineering notation 6.42912397 × 10^6

Prime Factorization of 642912397

Prime Factorization 29 × 22169393

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642912397
Product of the distinct prime numbers

The prime factorization of 642912397 is 29 × 22169393. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 1, 11, 87, 287, 763, 2479, 8375, 8976, 16795, 778996, 833401, 249639, 605917, 53615939, 76093021, 229624789, 847609264, 5339824056, 6968391245

Basic calculations (n = 642912397)

Multiplication

n×y
n×2 1285824794
n×3 1928737191
n×4 2571649588
n×5 3214561985

Division

n÷y
n÷2 321456198.5
n÷3 214304132.33333
n÷3 160728099.25
n÷5 128582479.4

Exponentiation

ny
n2 413336350216285609
n3 2.6573906368478E+26
n4 1.7084693841012E+35
n5 1.0983961469336E+44

Nth Root

y√n
2√n 25355.717244835
3√n 863.07910005232
4√n 159.23478654124
5√n 57.760422330417

Divisors of 642912397

1, 29, 22169393, 642912397

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642912396
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642912397 can be divided by 4 positive divisors. The sum of these divisors (counting 642912397) is 1, the average is 0.25.

Base conversion 642912397

Base System Value
2 Binary 100110010100100001000010001101
3 Ternary 1122210202100000021
4 Quaternary 212110201002031
5 Quinary 2304041144042
6 Senary 143443502141
8 Octal 4624410215
10 Decimal 642912397
12 Duodecimal 15b387951
16 Hexadecimal 2652108d
20 Vigesimal a0i40jh
36 Base36 amrudp

Cryptographic Hash Functions

md5 f088d88b8415dfc2457ec42c03560255
sha1 7295fec139e166ad5889b8d4cb81d2c26da5e10e
sha256 75c51e9cc07e60c7b36f74081c73d1676ff98f24631ce5a172470f3964040908
sha512 cf9ed3c09a0cef855e929a67b2fb76327573a27ee4ac1d764d755311aaf81a9f5bf9cfb9cac05569acffc3442388c2550ffb9dc0361b44ffe039341a34ceabbd
ripemd-160 893ce02616e1dea4ac642154ad5bd92bb6a09132

642912397 as geometric shapes

Circle

Radius = n
Diameter 1285824794
Circumference 4039537726.634
Area 1.2985344413011E+18

Sphere

Radius = n
Volume 1.1131251869919E+27
Surface area 5.1941377652044E+18
Circumference 4039537726.634

Square

Length = n
Perimeter 2571649588
Area 413336350216285609
Diagonal 909215431.2552

Cube

Length = n
Surface area 2480018101297713654
Volume 2.6573906368478E+26
Space diagonal 1113556936.4199

Equilateral Triangle

Length = n
Perimeter 1928737191
Area 1.7897988979742E+17
Altitude 556778468.20995

Triangular Pyramid

Length = n
Surface area 1.7897988979742E+17
Volume 3.1317648992946E+25
Height 303071810.4184