72617981 (number)

72617981 is an odd 8-digits composite number following 72617980 and preceding 72617982. In scientific notation, it is written as 7.2617981 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 67431168 positive integers (up to 72617981) that are relatively prime to 72617981.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred seventeen thousand nine hundred eighty-one

Notation

Scientific notation 7.2617981 × 10^7
Engineering notation 7.2617981 × 10^6

Prime Factorization of 72617981

Prime Factorization 19 × 113 × 149 × 227

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72617981
Product of the distinct prime numbers

The prime factorization of 72617981 is 19 × 113 × 149 × 227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 27, 82, 669, 588, 3529, 7675, 18134, 3752, 41078, 366109, 7740693, 8851424, 66385261, 53018562, 529876240, 554226235, 6469436714, 5467089842

Basic calculations (n = 72617981)

Multiplication

n×y
n×2 145235962
n×3 217853943
n×4 290471924
n×5 363089905

Division

n÷y
n÷2 36308990.5
n÷3 24205993.666667
n÷3 18154495.25
n÷5 14523596.2

Exponentiation

ny
n2 5273371164516361
n3 3.829415670308E+23
n4 2.7808443438753E+31
n5 2.0193930172749E+39

Nth Root

y√n
2√n 8521.618449567
3√n 417.20360906342
4√n 92.312612624532
5√n 37.342968130711

Divisors of 72617981

1, 19, 113, 149, 227, 2147, 2831, 4313, 16837, 25651, 33823, 319903, 487369, 642637, 3821999, 72617981

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 -72617980
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 72617981 can be divided by 16 positive divisors. The sum of these divisors (counting 72617981) is 1, the average is 0.0625.

Base conversion 72617981

Base System Value
2 Binary 100010101000000111111111101
3 Ternary 12001122101010212
4 Quaternary 10111000333331
5 Quinary 122042233411
6 Senary 11112242205
8 Octal 425007775
10 Decimal 72617981
12 Duodecimal 203a0365
16 Hexadecimal 4540ffd
20 Vigesimal 12dh4j1
36 Base36 178ge5

Cryptographic Hash Functions

md5 7c05dbe85a2175f8c280a10625bc4c64
sha1 fcfb0c39ed8b631834e05b28776918f64368aaaf
sha256 92bec39a0a059ca9f986a3b86a5be3ee85998b6670a9dfa0c397b038298bbfe5
sha512 3ad649de8bce0f3a13cc87407f69be624d45e18a34ccd18c376e9136dcc8985814989818f0e44d7efb032930589b2d79f09f331962613045cb71b2f94af58677
ripemd-160 9f42414839f5c6ff28d0f52258ffc9b9c964a337

72617981 as geometric shapes

Circle

Radius = n
Diameter 145235962
Circumference 456272231.25625
Area 1.6566784110097E+16

Sphere

Radius = n
Volume 1.6040618849842E+24
Surface area 6.6267136440387E+16
Circumference 456272231.25625

Square

Length = n
Perimeter 290471924
Area 5273371164516361
Diagonal 102697333.60235

Cube

Length = n
Surface area 31640226987098166
Volume 3.829415670308E+23
Space diagonal 125778032.63507

Equilateral Triangle

Length = n
Perimeter 217853943
Area 2.2834366960277E+15
Altitude 62889016.317536

Triangular Pyramid

Length = n
Surface area 2.2834366960277E+15
Volume 4.513009647428E+22
Height 34232444.534117