72161838 (number)

72161838 is an even 8-digits composite number following 72161837 and preceding 72161839. In scientific notation, it is written as 7.2161838 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 19042560 positive integers (up to 72161838) that are relatively prime to 72161838.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred sixty-one thousand eight hundred thirty-eight

Notation

Scientific notation 7.2161838 × 10^7
Engineering notation 7.2161838 × 10^6

Prime Factorization of 72161838

Prime Factorization 2 × 7 × 153 × 59 × 571

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 72161838
Product of the distinct prime numbers

The prime factorization of 72161838 is 2 × 7 × 153 × 59 × 571. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72161838)

Multiplication

n×y
n×2 144323676
n×3 216485514
n×4 288647352
n×5 360809190

Division

n÷y
n÷2 36080919
n÷3 24053946
n÷3 18040459.5
n÷5 14432367.6

Exponentiation

ny
n2 5207330863538244
n3 3.7577056618705E+23
n4 2.7116294722358E+31
n5 1.956761666915E+39

Nth Root

y√n
2√n 8494.812416999
3√n 416.32823192082
4√n 92.16730666022
5√n 37.295936545404

Divisors of 72161838

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72161837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72161838 can be divided by 32 positive divisors. The sum of these divisors (counting 72161838) is 1, the average is 0.03125.

Base conversion 72161838

Base System Value
2 Binary 100010011010001101000101110
3 Ternary 12000210012102200
4 Quaternary 10103101220232
5 Quinary 121433134323
6 Senary 11054402330
8 Octal 423215056
10 Decimal 72161838
12 Duodecimal 202003a6
16 Hexadecimal 44d1a2e
20 Vigesimal 12b04bi
36 Base36 16yofi

Cryptographic Hash Functions

md5 5e334af66972a587e7ec5f204258a41e
sha1 b2f3bac99ab1cfebd5bd9c0763bdb45aeeb2ffb0
sha256 13be1a06ae07513c925325f5cd8c08d65a98d12d421010e877ece4080ec39e9a
sha512 8408fe3c53d86d2f6698e2a1e640d44d160e831a28ae7066c8a0a25a193b042ca75b95d972576372c5a7a98957bad82af01a7278f98e4e0d1a11617f8df6fce7
ripemd-160 0bed52260c5d3bbb132601253812bb74fa5c3ea6

72161838 as geometric shapes

Circle

Radius = n
Diameter 144323676
Circumference 453406200.26067
Area 1.6359312385703E+16

Sphere

Radius = n
Volume 1.5740240668913E+24
Surface area 6.5437249542813E+16
Circumference 453406200.26067

Square

Length = n
Perimeter 288647352
Area 5207330863538244
Diagonal 102052249.98537

Cube

Length = n
Surface area 31243985181229464
Volume 3.7577056618705E+23
Space diagonal 124987969.78355

Equilateral Triangle

Length = n
Perimeter 216485514
Area 2.2548404068674E+15
Altitude 62493984.891777

Triangular Pyramid

Length = n
Surface area 2.2548404068674E+15
Volume 4.4284985920195E+22
Height 34017416.66179