68100981 (number)

68100981 is an odd 8-digits composite number following 68100980 and preceding 68100982. In scientific notation, it is written as 6.8100981 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 41908272 positive integers (up to 68100981) that are relatively prime to 68100981.

Interesting facts

Basic properties

Name

Name sixty-eight million one hundred thousand nine hundred eighty-one

Notation

Scientific notation 6.8100981 × 10^7
Engineering notation 6.8100981 × 10^6

Prime Factorization of 68100981

Prime Factorization 3 × 13 × 1746179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68100981
Product of the distinct prime numbers

The prime factorization of 68100981 is 3 × 13 × 1746179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68100981)

Multiplication

n×y
n×2 136201962
n×3 204302943
n×4 272403924
n×5 340504905

Division

n÷y
n÷2 34050490.5
n÷3 22700327
n÷3 17025245.25
n÷5 13620196.2

Exponentiation

ny
n2 4637743613162361
n3 3.1583488968284E+23
n4 2.1508665821428E+31
n5 1.4647612424404E+39

Nth Root

y√n
2√n 8252.3318522706
3√n 408.36745418979
4√n 90.842346140281
5√n 36.866395138781

Divisors of 68100981

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 -68100980
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 68100981 can be divided by 8 positive divisors. The sum of these divisors (counting 68100981) is 1, the average is 0.125.

Base conversion 68100981

Base System Value
2 Binary 100000011110010001101110101
3 Ternary 11202010212222120
4 Quaternary 10003302031311
5 Quinary 114413212411
6 Senary 10431350153
8 Octal 403621565
10 Decimal 68100981
12 Duodecimal 1a982359
16 Hexadecimal 40f2375
20 Vigesimal 115cc91
36 Base36 14jn1x

Cryptographic Hash Functions

md5 076034e8c872ed2fbe4c3686cd1acb66
sha1 1c99c8f0e801ac4e9b3402a88c2131323e6db5bf
sha256 06bc4000d5f762b0a1d6979974dd6da2f593bf4854eb258f4c73b4820748d70c
sha512 0e3471e111ea2fdfd3f05a22fb859d2fd974bae825dffa31649ee03ed31cbae9e0bf035d1d71923f5916c88be4f2529028097b47f6928309bac2fc5f3cefdbcd
ripemd-160 38de23ed87e8f57e9682cc9b2fd853c47a7508c7

68100981 as geometric shapes

Circle

Radius = n
Diameter 136201962
Circumference 427891083.22372
Area 1.4569901264344E+16

Sphere

Radius = n
Volume 1.3229660922333E+24
Surface area 5.8279605057375E+16
Circumference 427891083.22372

Square

Length = n
Perimeter 272403924
Area 4637743613162361
Diagonal 96309330.941112

Cube

Length = n
Surface area 27826461678974166
Volume 3.1583488968284E+23
Space diagonal 117954359.13728

Equilateral Triangle

Length = n
Perimeter 204302943
Area 2.0082018926188E+15
Altitude 58977179.568641

Triangular Pyramid

Length = n
Surface area 2.0082018926188E+15
Volume 3.7221498705007E+22
Height 32103110.313704