638961091 (number)

638961091 is an odd 9-digits composite number following 638961090 and preceding 638961092. In scientific notation, it is written as 6.38961091 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 600819912 positive integers (up to 638961091) that are relatively prime to 638961091.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38961091 × 10^8
Engineering notation 6.38961091 × 10^6

Prime Factorization of 638961091

Prime Factorization 23 × 59 × 470863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638961091
Product of the distinct prime numbers

The prime factorization of 638961091 is 23 × 59 × 470863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 42, 82, 217, 750, 3226, 5735, 372, 71263, 911465, 463101, 5950406, 8847093, 49079072, 86248468, 120061049, 13140707, 9052302398, 2672965090

Basic calculations (n = 638961091)

Multiplication

n×y
n×2 1277922182
n×3 1916883273
n×4 2555844364
n×5 3194805455

Division

n÷y
n÷2 319480545.5
n÷3 212987030.33333
n÷3 159740272.75
n÷5 127792218.2

Exponentiation

ny
n2 408271275811910281
n3 2.6086945981674E+26
n4 1.6668543465308E+35
n5 1.0650550717974E+44

Nth Root

y√n
2√n 25277.679699688
3√n 861.30731897054
4√n 158.9895584612
5√n 57.689248635219

Divisors of 638961091

1, 23, 59, 1357, 470863, 10829849, 27780917, 638961091

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 -638961090
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 638961091 can be divided by 8 positive divisors. The sum of these divisors (counting 638961091) is 1, the average is 0.125.

Base conversion 638961091

Base System Value
2 Binary 100110000101011100010111000011
3 Ternary 1122112022120211121
4 Quaternary 212011130113003
5 Quinary 2302033223331
6 Senary 143223053111
8 Octal 4605342703
10 Decimal 638961091
12 Duodecimal 159ba1197
16 Hexadecimal 2615c5c3
20 Vigesimal 9jda2eb
36 Base36 akf5j7

Cryptographic Hash Functions

md5 e0adf7148d2858aa1e67c5c1cdb53e76
sha1 f4e83b9d3097d65b91c80bf1429e9cd8c4375050
sha256 51e900da1becbeb36aa244d52a9fb48ee4914ff53b7a7507020e93cab9524d91
sha512 2ba6ee53b20aa0e857c5a069940a1bae6d32327a1431f617ba07857f994e074f075843d031768ff00b8072ab5ff22eb8904d228654112f3b6faf6f58d9519bf3
ripemd-160 8994322e4dcd0a76e8f6852fd90b96a7968b583e

638961091 as geometric shapes

Circle

Radius = n
Diameter 1277922182
Circumference 4014710938.8306
Area 1.2826220407624E+18

Sphere

Radius = n
Volume 1.0927274380083E+27
Surface area 5.1304881630497E+18
Circumference 4014710938.8306

Square

Length = n
Perimeter 2555844364
Area 408271275811910281
Diagonal 903627440.72091

Cube

Length = n
Surface area 2449627654871461686
Volume 2.6086945981674E+26
Space diagonal 1106713073.6716

Equilateral Triangle

Length = n
Perimeter 1916883273
Area 1.767866482443E+17
Altitude 553356536.83582

Triangular Pyramid

Length = n
Surface area 1.767866482443E+17
Volume 3.0743760673481E+25
Height 301209146.90697