638993856 (number)

638993856 is an even 9-digits composite number following 638993855 and preceding 638993857. In scientific notation, it is written as 6.38993856 × 10^8. The sum of its digits is 57. It has a total of 9 prime factors and 56 positive divisors. There are 207800320 positive integers (up to 638993856) that are relatively prime to 638993856.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-three thousand eight hundred fifty-six

Notation

Scientific notation 6.38993856 × 10^8
Engineering notation 6.38993856 × 10^6

Prime Factorization of 638993856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 41 × 81173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 19968558
Product of the distinct prime numbers

The prime factorization of 638993856 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 41 × 81173. Since it has a total of 9 prime factors.

Most popular turbo-numbers

10, 2, 89, 23, 447, 227, 574, 6904, 18392, 35787, 736095, 309128, 8142821, 2505742, 30661019, 58742088, 886938055, 612975802, 5926213904, 2522914211

Basic calculations (n = 638993856)

Multiplication

n×y
n×2 1277987712
n×3 1916981568
n×4 2555975424
n×5 3194969280

Division

n÷y
n÷2 319496928
n÷3 212997952
n÷3 159748464
n÷5 127798771.2

Exponentiation

ny
n2 408313148005748736
n3 2.6090959289969E+26
n4 1.6671962683436E+35
n5 1.0653281722177E+44

Nth Root

y√n
2√n 25278.327792795
3√n 861.32204091649
4√n 158.99159661062
5√n 57.68984026732

Divisors of 638993856

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 164, 192, 246, 328, 492, 656, 984, 1312, 1968, 2624, 3936, 7872, 81173, 162346, 243519, 324692, 487038, 649384, 974076, 1298768, 1948152, 2597536, 3328093, 3896304, 5195072, 6656186, 7792608, 9984279, 13312372, 15585216, 19968558, 26624744, 39937116, 53249488, 79874232, 106498976, 159748464, 212997952, 319496928, 638993856

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638993855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638993856 can be divided by 56 positive divisors. The sum of these divisors (counting 638993856) is 1, the average is 0.017857142857143.

Base conversion 638993856

Base System Value
2 Binary 100110000101100100010111000000
3 Ternary 1122112101020210010
4 Quaternary 212011210113000
5 Quinary 2302040300411
6 Senary 143223504520
8 Octal 4605442700
10 Decimal 638993856
12 Duodecimal 159bb8140
16 Hexadecimal 261645c0
20 Vigesimal 9jde4cg
36 Base36 akfutc

Cryptographic Hash Functions

md5 5acfc0222427937ee31e88374ea1c174
sha1 76b71112949c1d58b23c67f4c52ca32823760114
sha256 43ed9deaeef7672651fb8130df6523e70a0cabe4339ffa01c52192fd14e38584
sha512 01ba4dc153cfe55b1e8a11c4692ba116d09d4e2946babebf216f38a1b20a237601e4b099ae78b5e98d7eb9546e7a0f3fbc69373979318bda2b7e5348d48912cf
ripemd-160 b38874ae646241cd72292c6f8bd530d460d50a90

638993856 as geometric shapes

Circle

Radius = n
Diameter 1277987712
Circumference 4014916807.3972
Area 1.282753586139E+18

Sphere

Radius = n
Volume 1.092895547073E+27
Surface area 5.1310143445559E+18
Circumference 4014916807.3972

Square

Length = n
Perimeter 2555975424
Area 408313148005748736
Diagonal 903673777.42828

Cube

Length = n
Surface area 2449878888034492416
Volume 2.6090959289969E+26
Space diagonal 1106769824.3164

Equilateral Triangle

Length = n
Perimeter 1916981568
Area 1.7680477943609E+17
Altitude 553384912.15818

Triangular Pyramid

Length = n
Surface area 1.7680477943609E+17
Volume 3.0748490402666E+25
Height 301224592.47609