72489905 (number)

72489905 is an odd 8-digits composite number following 72489904 and preceding 72489906. In scientific notation, it is written as 7.2489905 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 54952128 positive integers (up to 72489905) that are relatively prime to 72489905.

Interesting facts

Basic properties

Name

Name seventy-two million four hundred eighty-nine thousand nine hundred five

Notation

Scientific notation 7.2489905 × 10^7
Engineering notation 7.2489905 × 10^6

Prime Factorization of 72489905

Prime Factorization 5 × 23 × 109 × 5783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72489905
Product of the distinct prime numbers

The prime factorization of 72489905 is 5 × 23 × 109 × 5783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 34, 21, 286, 373, 544, 8034, 60922, 4589, 129524, 696762, 7502559, 4342727, 73179267, 35883732, 836269327, 570072498, 2952989847, 260845540

Basic calculations (n = 72489905)

Multiplication

n×y
n×2 144979810
n×3 217469715
n×4 289959620
n×5 362449525

Division

n÷y
n÷2 36244952.5
n÷3 24163301.666667
n÷3 18122476.25
n÷5 14497981

Exponentiation

ny
n2 5254786326909025
n3 3.8091896163293E+23
n4 2.761277934147E+31
n5 2.0016477512491E+39

Nth Root

y√n
2√n 8514.1003635146
3√n 416.95819136225
4√n 92.271882843663
5√n 37.329786503757

Divisors of 72489905

1, 5, 23, 109, 115, 545, 2507, 5783, 12535, 28915, 133009, 630347, 665045, 3151735, 14497981, 72489905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72489904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72489905 can be divided by 16 positive divisors. The sum of these divisors (counting 72489905) is 1, the average is 0.0625.

Base conversion 72489905

Base System Value
2 Binary 100010100100001101110110001
3 Ternary 12001101212110022
4 Quaternary 10110201232301
5 Quinary 122024134110
6 Senary 11105413225
8 Octal 424415661
10 Decimal 72489905
12 Duodecimal 2033a215
16 Hexadecimal 4521bb1
20 Vigesimal 12d14f5
36 Base36 175pkh

Cryptographic Hash Functions

md5 ae9a1051ec68483b869cad5a67dece2c
sha1 91c2fe8ea4ed3bcc63703f88c0b8292364f93523
sha256 bb6b765b41929f40429a5f6b3fe34252cc4b739f3003dbd425f4932e7504ec3e
sha512 dd5f8124a639fdaba6e85873d8b8db9e0cdcbba57187d23d91657287696b127e9f897d833bc4d5dcafe75f287ccfa8f3b74c2bb6a9a9465d81a0122022a97218
ripemd-160 01159e34b3ffdb7b31d95d857dbb0f701487268f

72489905 as geometric shapes

Circle

Radius = n
Diameter 144979810
Circumference 455467506.01484
Area 1.6508398120801E+16

Sphere

Radius = n
Volume 1.5955896153054E+24
Surface area 6.6033592483206E+16
Circumference 455467506.01484

Square

Length = n
Perimeter 289959620
Area 5254786326909025
Diagonal 102516206.78614

Cube

Length = n
Surface area 31528717961454150
Volume 3.8091896163293E+23
Space diagonal 125556198.49584

Equilateral Triangle

Length = n
Perimeter 217469715
Area 2.2753892252812E+15
Altitude 62778099.247921

Triangular Pyramid

Length = n
Surface area 2.2753892252812E+15
Volume 4.4891730142198E+22
Height 34172068.928712