99972981 (number)

99972981 is an odd 8-digits composite number following 99972980 and preceding 99972982. In scientific notation, it is written as 9.9972981 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 16 positive divisors. There are 66482064 positive integers (up to 99972981) that are relatively prime to 99972981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.9972981 × 10^7
Engineering notation 9.9972981 × 10^6

Prime Factorization of 99972981

Prime Factorization 3 × 3 × 3 × 419 × 8837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 11108109
Product of the distinct prime numbers

The prime factorization of 99972981 is 3 × 3 × 3 × 419 × 8837. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 6, 18, 63, 789, 297, 8143, 9426, 40611, 257, 502628, 829716, 454864, 9493741, 95707655, 64672516, 279244419, 119666029, 2294147069, 6091012775

Basic calculations (n = 99972981)

Multiplication

n×y
n×2 199945962
n×3 299918943
n×4 399891924
n×5 499864905

Division

n÷y
n÷2 49986490.5
n÷3 33324327
n÷3 24993245.25
n÷5 19994596.2

Exponentiation

ny
n2 9994596930026361
n3 9.9918964898818E+23
n4 9.9891967793692E+31
n5 9.9864977982914E+39

Nth Root

y√n
2√n 9998.6489587344
3√n 464.1170758995
4√n 99.993244565492
5√n 39.808565531281

Divisors of 99972981

1, 3, 9, 27, 419, 1257, 3771, 8837, 11313, 26511, 79533, 238599, 3702703, 11108109, 33324327, 99972981

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 -99972980
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 99972981 can be divided by 16 positive divisors. The sum of these divisors (counting 99972981) is 1, the average is 0.0625.

Base conversion 99972981

Base System Value
2 Binary 101111101010111011101110101
3 Ternary 20222010011011000
4 Quaternary 11331113131311
5 Quinary 201043113411
6 Senary 13530433513
8 Octal 575273565
10 Decimal 99972981
12 Duodecimal 29592899
16 Hexadecimal 5f57775
20 Vigesimal 1b4gc91
36 Base36 1nirn9

Cryptographic Hash Functions

md5 7b1a231f2b3e6587e4cff2978bc62478
sha1 9f9fa96aa102154994cd4755dcb7ea5af4015af1
sha256 61c81030be2081732eefe6ed3383196ba168c32e22e2d6e125c840076b8a38c4
sha512 2f769bdfb42420dd9a4c03d17e7c5f7a1b79d7a268be34f51c46d009343e147815936d351bb79bde33c88396069d93a89a80f0a7a8a56b9e2c6a27f85ccfc9f7
ripemd-160 81f097de3a9cc8351dd5b786d1021c84931fc7d3

99972981 as geometric shapes

Circle

Radius = n
Diameter 199945962
Circumference 628148765.33414
Area 3.1398952290962E+16

Sphere

Radius = n
Volume 4.1853958144057E+24
Surface area 1.2559580916385E+17
Circumference 628148765.33414

Square

Length = n
Perimeter 399891924
Area 9994596930026361
Diagonal 141383145.60107

Cube

Length = n
Surface area 59967581580158166
Volume 9.9918964898818E+23
Space diagonal 173158282.47612

Equilateral Triangle

Length = n
Perimeter 299918943
Area 4.3277874209944E+15
Altitude 86579141.238059

Triangular Pyramid

Length = n
Surface area 4.3277874209944E+15
Volume 1.1775562941516E+23
Height 47127715.200356