638969907 (number)

638969907 is an odd 9-digits composite number following 638969906 and preceding 638969908. In scientific notation, it is written as 6.38969907 × 10^8. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 425979936 positive integers (up to 638969907) that are relatively prime to 638969907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38969907 × 10^8
Engineering notation 6.38969907 × 10^6

Prime Factorization of 638969907

Prime Factorization 3 × 212989969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638969907
Product of the distinct prime numbers

The prime factorization of 638969907 is 3 × 212989969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 9, 17, 73, 685, 531, 1479, 2076, 4930, 73799, 308192, 297020, 747395, 6143634, 79968050, 46453801, 682203645, 666838717, 2696257340, 6906601753

Basic calculations (n = 638969907)

Multiplication

n×y
n×2 1277939814
n×3 1916909721
n×4 2555879628
n×5 3194849535

Division

n÷y
n÷2 319484953.5
n÷3 212989969
n÷3 159742476.75
n÷5 127793981.4

Exponentiation

ny
n2 408282542051588649
n3 2.6088025792443E+26
n4 1.6669463414411E+35
n5 1.0651285487646E+44

Nth Root

y√n
2√n 25277.85408218
3√n 861.31128021873
4√n 158.99010686889
5√n 57.689407826637

Divisors of 638969907

1, 3, 212989969, 638969907

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 -638969906
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 638969907 can be divided by 4 positive divisors. The sum of these divisors (counting 638969907) is 1, the average is 0.25.

Base conversion 638969907

Base System Value
2 Binary 100110000101011110100000110011
3 Ternary 1122112100000221010
4 Quaternary 212011132200303
5 Quinary 2302034014112
6 Senary 143223202003
8 Octal 4605364063
10 Decimal 638969907
12 Duodecimal 159ba6303
16 Hexadecimal 2615e833
20 Vigesimal 9jdb4f7
36 Base36 akfcc3

Cryptographic Hash Functions

md5 db3f6cae8591628e247f2356b65356c6
sha1 66f764d5707f0d1d6992b95d5ab94fb6d840a023
sha256 c4351885eb583e4828ea1b69a572722bfcf0e53d47c2ff45945f7c807a645cfe
sha512 9fb81039fa577d4d04989fc866b78f92be4eddcf4d6b24f7ca4da99fa0a1abba8fe8a113d28e76bc90aca34f1b005d24d412de9a290146db474c6046eda898b9
ripemd-160 e70b2dbea6ed43214c8748d0c9556f5ab2b1c7cd

638969907 as geometric shapes

Circle

Radius = n
Diameter 1277939814
Circumference 4014766331.3923
Area 1.2826574346982E+18

Sphere

Radius = n
Volume 1.092772669016E+27
Surface area 5.1306297387929E+18
Circumference 4014766331.3923

Square

Length = n
Perimeter 2555879628
Area 408282542051588649
Diagonal 903639908.42768

Cube

Length = n
Surface area 2449695252309531894
Volume 2.6088025792443E+26
Space diagonal 1106728343.4316

Equilateral Triangle

Length = n
Perimeter 1916909721
Area 1.7679152666918E+17
Altitude 553364171.71578

Triangular Pyramid

Length = n
Surface area 1.7679152666918E+17
Volume 3.0745033242676E+25
Height 301213302.80923