81172007 (number)

81172007 is an odd 8-digits composite number following 81172006 and preceding 81172008. In scientific notation, it is written as 8.1172007 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 69477912 positive integers (up to 81172007) that are relatively prime to 81172007.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred seventy-two thousand seven

Notation

Scientific notation 8.1172007 × 10^7
Engineering notation 8.1172007 × 10^6

Prime Factorization of 81172007

Prime Factorization 7 × 743 × 15607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81172007
Product of the distinct prime numbers

The prime factorization of 81172007 is 7 × 743 × 15607. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81172007)

Multiplication

n×y
n×2 162344014
n×3 243516021
n×4 324688028
n×5 405860035

Division

n÷y
n÷2 40586003.5
n÷3 27057335.666667
n÷3 20293001.75
n÷5 16234401.4

Exponentiation

ny
n2 6588894720408049
n3 5.3483380836723E+23
n4 4.3413533636621E+31
n5 3.5239636562465E+39

Nth Root

y√n
2√n 9009.5508767086
3√n 432.98092248476
4√n 94.91865399756
5√n 38.183985534358

Divisors of 81172007

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 -81172006
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 81172007 can be divided by 8 positive divisors. The sum of these divisors (counting 81172007) is 1, the average is 0.125.

Base conversion 81172007

Base System Value
2 Binary 100110101101001011000100111
3 Ternary 12122201222001122
4 Quaternary 10311221120213
5 Quinary 131240001012
6 Senary 12015444155
8 Octal 465513047
10 Decimal 81172007
12 Duodecimal 2322665b
16 Hexadecimal 4d69627
20 Vigesimal 1576a07
36 Base36 1cbspz

Cryptographic Hash Functions

md5 695de8f477fa40ec179eab21d61bf4f1
sha1 ee74eb1fb5fea91c1400791e6cd6229a6e653edd
sha256 5ec0f0073a2bf4076823fbfcefcbe4bc6555b00912424ed8901c5dda01621496
sha512 3b7a1a02cbd69bcb297cc67b32d016f3c5e5429b6d0abffbb80ad20db48997b44ae3914c8753928647db0fab8ddaac136ab9e287de7c283a24511acbf71d30f7
ripemd-160 6761c0fbb39b31d9318efbecd384254140563615

81172007 as geometric shapes

Circle

Radius = n
Diameter 162344014
Circumference 510018761.73668
Area 2.069962324891E+16

Sphere

Radius = n
Volume 2.2403066176772E+24
Surface area 8.2798492995642E+16
Circumference 510018761.73668

Square

Length = n
Perimeter 324688028
Area 6588894720408049
Diagonal 114794553.18444

Cube

Length = n
Surface area 39533368322448294
Volume 5.3483380836723E+23
Space diagonal 140594040.27634

Equilateral Triangle

Length = n
Perimeter 243516021
Area 2.8530751053673E+15
Altitude 70297020.138168

Triangular Pyramid

Length = n
Surface area 2.8530751053673E+15
Volume 6.3030768784049E+22
Height 38264851.061481