81898982 (number)

81898982 is an even 8-digits composite number following 81898981 and preceding 81898983. In scientific notation, it is written as 8.1898982 × 10^7. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 36220320 positive integers (up to 81898982) that are relatively prime to 81898982.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1898982 × 10^7
Engineering notation 8.1898982 × 10^6

Prime Factorization of 81898982

Prime Factorization 2 × 11 × 37 × 100613

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81898982
Product of the distinct prime numbers

The prime factorization of 81898982 is 2 × 11 × 37 × 100613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 52, 24, 476, 873, 1302, 804, 21643, 69181, 98147, 703550, 4874296, 1268321, 19426014, 38602702, 102760458, 894908455, 3942587019, 7279546816

Basic calculations (n = 81898982)

Multiplication

n×y
n×2 163797964
n×3 245696946
n×4 327595928
n×5 409494910

Division

n÷y
n÷2 40949491
n÷3 27299660.666667
n÷3 20474745.5
n÷5 16379796.4

Exponentiation

ny
n2 6707443252636324
n3 5.4933277421368E+23
n4 4.4989794987337E+31
n5 3.6846184098516E+39

Nth Root

y√n
2√n 9049.8056332719
3√n 434.26967249024
4√n 95.130466377874
5√n 38.252136839255

Divisors of 81898982

1, 2, 11, 22, 37, 74, 407, 814, 100613, 201226, 1106743, 2213486, 3722681, 7445362, 40949491, 81898982

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 -81898981
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 81898982 can be divided by 16 positive divisors. The sum of these divisors (counting 81898982) is 1, the average is 0.0625.

Base conversion 81898982

Base System Value
2 Binary 100111000011010110111100110
3 Ternary 12201002220021122
4 Quaternary 10320122313212
5 Quinary 131431231412
6 Senary 12043213542
8 Octal 470326746
10 Decimal 81898982
12 Duodecimal 235172b2
16 Hexadecimal 4e1ade6
20 Vigesimal 15bh792
36 Base36 1crdnq

Cryptographic Hash Functions

md5 e96f6eb93108bc71bb1e66608ecbd784
sha1 303054ccfaec92e6cabb515e2a2c22ac4de5feb3
sha256 49bf83ed2f6064ebfdc32c689c5e64c6983fc496890957591e2ce770ac9f9c48
sha512 c826868e3858baecd371b433925ac5372bb35120ebfc3f567002762ee1fcfe36ae2fa8439362504709cb12ccefa7dc112511790251d394fd66e64a61df3932de
ripemd-160 eb3dc6fc3ecb201cfbb7dd96c5cb5944111063b5

81898982 as geometric shapes

Circle

Radius = n
Diameter 163797964
Circumference 514586480.37537
Area 2.1072054446853E+16

Sphere

Radius = n
Volume 2.3010397437944E+24
Surface area 8.4288217787411E+16
Circumference 514586480.37537

Square

Length = n
Perimeter 327595928
Area 6707443252636324
Diagonal 115822651.08895

Cube

Length = n
Surface area 40244659515817944
Volume 5.4933277421368E+23
Space diagonal 141853197.91217

Equilateral Triangle

Length = n
Perimeter 245696946
Area 2.9044081256128E+15
Altitude 70926598.956084

Triangular Pyramid

Length = n
Surface area 2.9044081256128E+15
Volume 6.4739488295752E+22
Height 38607550.362983