72601981 (number)

72601981 is an odd 8-digits composite number following 72601980 and preceding 72601982. In scientific notation, it is written as 7.2601981 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 70597488 positive integers (up to 72601981) that are relatively prime to 72601981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2601981 × 10^7
Engineering notation 7.2601981 × 10^6

Prime Factorization of 72601981

Prime Factorization 47 × 157 × 9839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72601981
Product of the distinct prime numbers

The prime factorization of 72601981 is 47 × 157 × 9839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72601981)

Multiplication

n×y
n×2 145203962
n×3 217805943
n×4 290407924
n×5 363009905

Division

n÷y
n÷2 36300990.5
n÷3 24200660.333333
n÷3 18150495.25
n÷5 14520396.2

Exponentiation

ny
n2 5271047645124361
n3 3.8268850098141E+23
n4 2.7783943277171E+31
n5 2.0171693219143E+39

Nth Root

y√n
2√n 8520.6796090453
3√n 417.17296583536
4√n 92.307527369361
5√n 37.341322422177

Divisors of 72601981

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 -72601980
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 72601981 can be divided by 8 positive divisors. The sum of these divisors (counting 72601981) is 1, the average is 0.125.

Base conversion 72601981

Base System Value
2 Binary 100010100111101000101111101
3 Ternary 12001121120012021
4 Quaternary 10110331011331
5 Quinary 122041230411
6 Senary 11112040141
8 Octal 424750575
10 Decimal 72601981
12 Duodecimal 20393051
16 Hexadecimal 453d17d
20 Vigesimal 12df4j1
36 Base36 17841p

Cryptographic Hash Functions

md5 9e68e1eaff9035a66a6a82845a8108f9
sha1 7cbabc70f34ae1b832112e6614439205b1b03f1b
sha256 b67d398c6f45d441297f50d8e816537ae8a0766b2b7a598d2ec8a788e6165050
sha512 13b42f044ed13225053e29463e9822b491e92e788b7f73ec82c4e02ec52135543d2bbb66e7e7f38571dd7928346f021e8f1e5b272f27e9feb1e7c325abe248ac
ripemd-160 9dada4542684259139f8f13e71b67451e6528eb4

72601981 as geometric shapes

Circle

Radius = n
Diameter 145203962
Circumference 456171700.29133
Area 1.6559484558644E+16

Sphere

Radius = n
Volume 1.6030018443953E+24
Surface area 6.6237938234578E+16
Circumference 456171700.29133

Square

Length = n
Perimeter 290407924
Area 5271047645124361
Diagonal 102674706.18535

Cube

Length = n
Surface area 31626285870746166
Volume 3.8268850098141E+23
Space diagonal 125750319.82215

Equilateral Triangle

Length = n
Perimeter 217805943
Area 2.2824305826179E+15
Altitude 62875159.911075

Triangular Pyramid

Length = n
Surface area 2.2824305826179E+15
Volume 4.5100272354345E+22
Height 34224902.061785