99681981 (number)

99681981 is an odd 8-digits composite number following 99681980 and preceding 99681982. In scientific notation, it is written as 9.9681981 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 56908800 positive integers (up to 99681981) that are relatively prime to 99681981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.9681981 × 10^7
Engineering notation 9.9681981 × 10^6

Prime Factorization of 99681981

Prime Factorization 3 × 7 × 2281 × 2081

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 99681981
Product of the distinct prime numbers

The prime factorization of 99681981 is 3 × 7 × 2281 × 2081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 52, 14, 592, 165, 5121, 304, 21889, 13632, 993151, 894924, 3167440, 9922871, 3872879, 73232131, 664206908, 511341065, 4553644906, 7091151425

Basic calculations (n = 99681981)

Multiplication

n×y
n×2 199363962
n×3 299045943
n×4 398727924
n×5 498409905

Division

n÷y
n÷2 49840990.5
n÷3 33227327
n÷3 24920495.25
n÷5 19936396.2

Exponentiation

ny
n2 9936497336084361
n3 9.9048973866211E+23
n4 9.8733979310012E+31
n5 9.841998649635E+39

Nth Root

y√n
2√n 9984.0863878474
3√n 463.66632303345
4√n 99.920400258643
5√n 39.785363654497

Divisors of 99681981

1, 3, 7, 21, 2081, 2281, 6243, 6843, 14567, 15967, 43701, 47901, 4746761, 14240283, 33227327, 99681981

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 -99681980
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 99681981 can be divided by 16 positive divisors. The sum of these divisors (counting 99681981) is 1, the average is 0.0625.

Base conversion 99681981

Base System Value
2 Binary 101111100010000011010111101
3 Ternary 20221120100222020
4 Quaternary 11330100122331
5 Quinary 201004310411
6 Senary 13520310353
8 Octal 574203275
10 Decimal 99681981
12 Duodecimal 294723b9
16 Hexadecimal 5f106bd
20 Vigesimal 1b304j1
36 Base36 1ncj3x

Cryptographic Hash Functions

md5 175fbff494c145947eb1bbe24c0b789a
sha1 c15a3a886080d525e5cc5137f865d098d9b9bd2e
sha256 26bd0942209dc76ca5526f7818add8962d5b4686fb5ab2d6c2f716445ef2d7a7
sha512 02e646b49930d06e48df1d7a765fa2a46b5cd901e364950886b9111480200dbdfc693e870f288ff908ca79a03bf8884eaef0e5c1dffd42d03823076bdef0a197
ripemd-160 8cd844dc8116f5b45037546efe9f433a6a4736b7

99681981 as geometric shapes

Circle

Radius = n
Diameter 199363962
Circumference 626320358.40975
Area 3.1216427033457E+16

Sphere

Radius = n
Volume 4.1489537152493E+24
Surface area 1.2486570813383E+17
Circumference 626320358.40975

Square

Length = n
Perimeter 398727924
Area 9936497336084361
Diagonal 140971609.45442

Cube

Length = n
Surface area 59618984016506166
Volume 9.9048973866211E+23
Space diagonal 172654255.69112

Equilateral Triangle

Length = n
Perimeter 299045943
Area 4.3026295588427E+15
Altitude 86327127.845558

Triangular Pyramid

Length = n
Surface area 4.3026295588427E+15
Volume 1.1673033515061E+23
Height 46990536.484806