164907981 (number)

164907981 is an odd 9-digits composite number following 164907980 and preceding 164907982. In scientific notation, it is written as 1.64907981 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 94230864 positive integers (up to 164907981) that are relatively prime to 164907981.

Interesting facts

Basic properties

Name

Name one hundred sixty-four million nine hundred seven thousand nine hundred eighty-one

Notation

Scientific notation 1.64907981 × 10^8
Engineering notation 1.64907981 × 10^6

Prime Factorization of 164907981

Prime Factorization 81 × 49 × 41549

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 164907981
Product of the distinct prime numbers

The prime factorization of 164907981 is 81 × 49 × 41549. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 46, 62, 133, 353, 4208, 9067, 37933, 10322, 213017, 45060, 9018007, 3621640, 62902484, 55749883, 577787924, 927451342, 4908377895, 5629675311

Basic calculations (n = 164907981)

Multiplication

n×y
n×2 329815962
n×3 494723943
n×4 659631924
n×5 824539905

Division

n÷y
n÷2 82453990.5
n÷3 54969327
n÷3 41226995.25
n÷5 32981596.2

Exponentiation

ny
n2 27194642197496361
n3 4.4846135388065E+24
n4 7.3954856424985E+32
n5 1.2195746058189E+41

Nth Root

y√n
2√n 12841.65024442
3√n 548.37867539142
4√n 113.32100530978
5√n 43.999560141213

Divisors of 164907981

1, 49, 81, 3969, 41549, 2035901, 3365469, 164907981

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 -164907980
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 164907981 can be divided by 8 positive divisors. The sum of these divisors (counting 164907981) is 1, the average is 0.125.

Base conversion 164907981

Base System Value
2 Binary 1001110101000100101111001101
3 Ternary 102111022012020000
4 Quaternary 21311010233031
5 Quinary 314204023411
6 Senary 24210314513
8 Octal 1165045715
10 Decimal 164907981
12 Duodecimal 47288a39
16 Hexadecimal 9d44bcd
20 Vigesimal 2bad9j1
36 Base36 2q6jt9

Cryptographic Hash Functions

md5 6fa59df585a9fc0e6c4260cbc4446f05
sha1 d21562d487e37c8a8db3b29306204c75030034b5
sha256 8203e074736e188aa51f83578d6e87a3e71e3869e04610baad0f6fabe36ff066
sha512 433f910d6f9dc3715dd54056482c34d92dad0109151850deb44484c52e8db22cafbfbdb49e32ac2a0c96e62f445b27fbadad390c0c74f9a076b522f6f66344d2
ripemd-160 9b5d2e35b7f4ba690672d9f7342a540ed40c5acb

164907981 as geometric shapes

Circle

Radius = n
Diameter 329815962
Circumference 1036147403.2559
Area 8.5434488144658E+16

Sphere

Radius = n
Volume 1.8785105263605E+25
Surface area 3.4173795257863E+17
Circumference 1036147403.2559

Square

Length = n
Perimeter 659631924
Area 27194642197496361
Diagonal 233215103.27376

Cube

Length = n
Surface area 163167853184978166
Volume 4.4846135388065E+24
Space diagonal 285629001.6656

Equilateral Triangle

Length = n
Perimeter 494723943
Area 1.177562549493E+16
Altitude 142814500.8328

Triangular Pyramid

Length = n
Surface area 1.177562549493E+16
Volume 5.2851677404852E+23
Height 77738367.757922