81777993 (number)

81777993 is an odd 8-digits composite number following 81777992 and preceding 81777994. In scientific notation, it is written as 8.1777993 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 48626240 positive integers (up to 81777993) that are relatively prime to 81777993.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seventy-seven thousand nine hundred ninety-three

Notation

Scientific notation 8.1777993 × 10^7
Engineering notation 8.1777993 × 10^6

Prime Factorization of 81777993

Prime Factorization 3 × 11 × 53 × 46757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81777993
Product of the distinct prime numbers

The prime factorization of 81777993 is 3 × 11 × 53 × 46757. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 10, 76, 316, 858, 7991, 1064, 11334, 47585, 783651, 367821, 3853737, 7164910, 83555889, 72217870, 410798054, 787356898, 6689175100, 4112102645

Basic calculations (n = 81777993)

Multiplication

n×y
n×2 163555986
n×3 245333979
n×4 327111972
n×5 408889965

Division

n÷y
n÷2 40888996.5
n÷3 27259331
n÷3 20444498.25
n÷5 16355598.6

Exponentiation

ny
n2 6687640139108049
n3 5.469017884825E+23
n4 4.4724530630209E+31
n5 3.6574823528055E+39

Nth Root

y√n
2√n 9043.1185439537
3√n 434.05571888276
4√n 95.095312944192
5√n 38.240828212655

Divisors of 81777993

1, 3, 11, 33, 53, 159, 583, 1749, 46757, 140271, 514327, 1542981, 2478121, 7434363, 27259331, 81777993

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 -81777992
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 81777993 can be divided by 16 positive divisors. The sum of these divisors (counting 81777993) is 1, the average is 0.0625.

Base conversion 81777993

Base System Value
2 Binary 100110111111101010101001001
3 Ternary 12200212202022120
4 Quaternary 10313331111021
5 Quinary 131413343433
6 Senary 12040441453
8 Octal 467752511
10 Decimal 81777993
12 Duodecimal 23479289
16 Hexadecimal 4dfd549
20 Vigesimal 15b24jd
36 Base36 1cosax

Cryptographic Hash Functions

md5 8332d457c7fdd94a74a4a026f1a98db7
sha1 b51eca7e595e2941ce47df1ad6e54762d90b890c
sha256 c255d97e5135292435cde48e4544f46c39a9c4ff8d1130c397dec647af983940
sha512 2b3a2a9bd059620bf097449af695189d44a0e9aed35cccffb4a742af3e84354748f835fe3c7a1b1640ddeac5e1eea58fb425782024a407984b2b877d7363183b
ripemd-160 a0abf275aa4d6b86897ebf93e76835657b4e51a7

81777993 as geometric shapes

Circle

Radius = n
Diameter 163555986
Circumference 513826284.06824
Area 2.1009841130874E+16

Sphere

Radius = n
Volume 2.2908568545756E+24
Surface area 8.4039364523496E+16
Circumference 513826284.06824

Square

Length = n
Perimeter 327111972
Area 6687640139108049
Diagonal 115651546.80425

Cube

Length = n
Surface area 40125840834648294
Volume 5.469017884825E+23
Space diagonal 141643638.81701

Equilateral Triangle

Length = n
Perimeter 245333979
Area 2.895833125918E+15
Altitude 70821819.408506

Triangular Pyramid

Length = n
Surface area 2.895833125918E+15
Volume 6.4452993879837E+22
Height 38550515.601417