81802007 (number)

81802007 is an odd 8-digits composite number following 81802006 and preceding 81802008. In scientific notation, it is written as 8.1802007 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 67067352 positive integers (up to 81802007) that are relatively prime to 81802007.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred two thousand seven

Notation

Scientific notation 8.1802007 × 10^7
Engineering notation 8.1802007 × 10^6

Prime Factorization of 81802007

Prime Factorization 161 × 508087

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81802007
Product of the distinct prime numbers

The prime factorization of 81802007 is 161 × 508087. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81802007)

Multiplication

n×y
n×2 163604014
n×3 245406021
n×4 327208028
n×5 409010035

Division

n÷y
n÷2 40901003.5
n÷3 27267335.666667
n÷3 20450501.75
n÷5 16360401.4

Exponentiation

ny
n2 6691568349228049
n3 5.4738372094453E+23
n4 4.4777086972391E+31
n5 3.6628555819551E+39

Nth Root

y√n
2√n 9044.4461964235
3√n 434.0982013549
4√n 95.102293328939
5√n 38.243073822676

Divisors of 81802007

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81802006
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81802007 can be divided by 4 positive divisors. The sum of these divisors (counting 81802007) is 1, the average is 0.25.

Base conversion 81802007

Base System Value
2 Binary 100111000000011001100010111
3 Ternary 12200220222020222
4 Quaternary 10320003030113
5 Quinary 131420131012
6 Senary 12041144555
8 Octal 470031427
10 Decimal 81802007
12 Duodecimal 2348b15b
16 Hexadecimal 4e03317
20 Vigesimal 15b5507
36 Base36 1cpatz

Cryptographic Hash Functions

md5 9b41a0a25232a1e753fa79c4a5c21334
sha1 f14a63c2d18321d1cdd37ef2ce5d4ea865ae51cc
sha256 dca39adb19693754e67f333b59bf4f33a80eecc3f25ec029b1b8eafc5446bbc3
sha512 3ed31463b42e1a72570fd824ff380f65ce80b92a0a3fe30b674141387b531a423c787a6dff5af6bae3052cb62ff1d0bea58ffa39439360c1afbf151b51dca252
ripemd-160 870e970ce6bb16b7e6204d9e9ce608b8779f8e4d

81802007 as geometric shapes

Circle

Radius = n
Diameter 163604014
Circumference 513977168.4802
Area 2.1022181966929E+16

Sphere

Radius = n
Volume 2.292875568552E+24
Surface area 8.4088727867715E+16
Circumference 513977168.4802

Square

Length = n
Perimeter 327208028
Area 6691568349228049
Diagonal 115685507.72874

Cube

Length = n
Surface area 40149410095368294
Volume 5.4738372094453E+23
Space diagonal 141685232.2851

Equilateral Triangle

Length = n
Perimeter 245406021
Area 2.8975340907957E+15
Altitude 70842616.142552

Triangular Pyramid

Length = n
Surface area 2.8975340907957E+15
Volume 6.4509790165167E+22
Height 38561835.90958