99690981 (number)

99690981 is an odd 8-digits composite number following 99690980 and preceding 99690982. In scientific notation, it is written as 9.9690981 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 61348272 positive integers (up to 99690981) that are relatively prime to 99690981.

Interesting facts

Basic properties

Name

Name ninety-nine million six hundred ninety thousand nine hundred eighty-one

Notation

Scientific notation 9.9690981 × 10^7
Engineering notation 9.9690981 × 10^6

Prime Factorization of 99690981

Prime Factorization 3 × 13 × 2556179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 99690981
Product of the distinct prime numbers

The prime factorization of 99690981 is 3 × 13 × 2556179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 81, 90, 383, 971, 7367, 4263, 39028, 57355, 277862, 52462, 899128, 6008559, 98113223, 98107142, 599594836, 615880018, 1926869971, 7190586861

Basic calculations (n = 99690981)

Multiplication

n×y
n×2 199381962
n×3 299072943
n×4 398763924
n×5 498454905

Division

n÷y
n÷2 49845490.5
n÷3 33230327
n÷3 24922745.25
n÷5 19938196.2

Exponentiation

ny
n2 9938291692742361
n3 9.9075804831364E+23
n4 9.8769641770032E+31
n5 9.846442481073E+39

Nth Root

y√n
2√n 9984.5370949283
3√n 463.68027698073
4√n 99.922655563833
5√n 39.786082049814

Divisors of 99690981

1, 3, 13, 39, 2556179, 7668537, 33230327, 99690981

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 -99690980
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 99690981 can be divided by 8 positive divisors. The sum of these divisors (counting 99690981) is 1, the average is 0.125.

Base conversion 99690981

Base System Value
2 Binary 101111100010010100111100101
3 Ternary 20221120211022120
4 Quaternary 11330102213211
5 Quinary 201010102411
6 Senary 13520420153
8 Octal 574224745
10 Decimal 99690981
12 Duodecimal 29477659
16 Hexadecimal 5f129e5
20 Vigesimal 1b31791
36 Base36 1ncq1x

Cryptographic Hash Functions

md5 a781ddd52ec01665496a47fc74b6937c
sha1 f6441b88bb33ee5b53dc7c21155f05b02cdb9194
sha256 1dc057095d6809dda44de870b65f9678fd41f36b4076a41b7a603cd47fd6c135
sha512 df2b6cfd727ef732ac9ce9759b16cf25eeb69d394330f1d8b985aef080a3e727ff0f58b15c79c26ffb9a1522d90c87b2978e1e1e36ac3852237d766f06f27f63
ripemd-160 6e09717ef24b15902864921de3c3fdc3b974ea67

99690981 as geometric shapes

Circle

Radius = n
Diameter 199381962
Circumference 626376907.07752
Area 3.1222064171152E+16

Sphere

Radius = n
Volume 4.1500776080894E+24
Surface area 1.2488825668461E+17
Circumference 626376907.07752

Square

Length = n
Perimeter 398763924
Area 9938291692742361
Diagonal 140984337.37648

Cube

Length = n
Surface area 59629750156454166
Volume 9.9075804831364E+23
Space diagonal 172669844.14838

Equilateral Triangle

Length = n
Perimeter 299072943
Area 4.3034065380674E+15
Altitude 86334922.074192

Triangular Pyramid

Length = n
Surface area 4.3034065380674E+15
Volume 1.1676195574629E+23
Height 46994779.125493