638961007 (number)

638961007 is an odd 9-digits composite number following 638961006 and preceding 638961008. In scientific notation, it is written as 6.38961007 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 636906160 positive integers (up to 638961007) that are relatively prime to 638961007.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred sixty-one thousand seven

Notation

Scientific notation 6.38961007 × 10^8
Engineering notation 6.38961007 × 10^6

Prime Factorization of 638961007

Prime Factorization 311 × 2054537

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638961007
Product of the distinct prime numbers

The prime factorization of 638961007 is 311 × 2054537. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 10, 47, 408, 802, 2604, 9821, 47137, 89832, 615661, 13574, 1246188, 4007831, 6960164, 20588241, 380095980, 517774053, 1045455150, 8751408127

Basic calculations (n = 638961007)

Multiplication

n×y
n×2 1277922014
n×3 1916883021
n×4 2555844028
n×5 3194805035

Division

n÷y
n÷2 319480503.5
n÷3 212987002.33333
n÷3 159740251.75
n÷5 127792201.4

Exponentiation

ny
n2 408271168466454049
n3 2.6086935693239E+26
n4 1.6668534700096E+35
n5 1.0650543717188E+44

Nth Root

y√n
2√n 25277.678038143
3√n 861.30728122707
4√n 158.98955323587
5√n 57.689247118414

Divisors of 638961007

1, 311, 2054537, 638961007

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 -638961006
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 638961007 can be divided by 4 positive divisors. The sum of these divisors (counting 638961007) is 1, the average is 0.25.

Base conversion 638961007

Base System Value
2 Binary 100110000101011100010101101111
3 Ternary 1122112022120201111
4 Quaternary 212011130111233
5 Quinary 2302033223012
6 Senary 143223052451
8 Octal 4605342557
10 Decimal 638961007
12 Duodecimal 159ba1127
16 Hexadecimal 2615c56f
20 Vigesimal 9jda2a7
36 Base36 akf5gv

Cryptographic Hash Functions

md5 61128872b2bafd197d8b601b7dcb67d5
sha1 a1f22e3654583c0dd4eb4bf5a6623906486fa628
sha256 ec3f65279282669e3d9aad67287fca7dda8a7e74d373e5f5db90c79cfe9a90e0
sha512 b0e8be46514572ceb8dfa2baf4ff8c567e2bbbce7db03475fe90479793034fcead1db7d2cbe3134e3eed83e9cab31a56ce373b94354d2dcbf796bc00ef84fbe8
ripemd-160 2eb4ac3d45985f9c3e0c548c11352cb23d7b4f0c

638961007 as geometric shapes

Circle

Radius = n
Diameter 1277922014
Circumference 4014710411.0431
Area 1.2826217035267E+18

Sphere

Radius = n
Volume 1.0927270070473E+27
Surface area 5.1304868141069E+18
Circumference 4014710411.0431

Square

Length = n
Perimeter 2555844028
Area 408271168466454049
Diagonal 903627321.92697

Cube

Length = n
Surface area 2449627010798724294
Volume 2.6086935693239E+26
Space diagonal 1106712928.1794

Equilateral Triangle

Length = n
Perimeter 1916883021
Area 1.7678660176235E+17
Altitude 553356464.08969

Triangular Pyramid

Length = n
Surface area 1.7678660176235E+17
Volume 3.0743748548445E+25
Height 301209107.30899