81872010 (number)

81872010 is an even 8-digits composite number following 81872009 and preceding 81872011. In scientific notation, it is written as 8.1872010 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 19847520 positive integers (up to 81872010) that are relatively prime to 81872010.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-two thousand ten

Notation

Scientific notation 8.1872010 × 10^7
Engineering notation 8.1872010 × 10^6

Prime Factorization of 81872010

Prime Factorization 2 × 15 × 3 × 11 × 82699

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81872010
Product of the distinct prime numbers

The prime factorization of 81872010 is 2 × 15 × 3 × 11 × 82699. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 86, 71, 601, 680, 4024, 2315, 25829, 97586, 402829, 631735, 9190990, 8445450, 74722706, 23592985, 400002778, 951980891, 133734244, 4420890811

Basic calculations (n = 81872010)

Multiplication

n×y
n×2 163744020
n×3 245616030
n×4 327488040
n×5 409360050

Division

n÷y
n÷2 40936005
n÷3 27290670
n÷3 20468002.5
n÷5 16374402

Exponentiation

ny
n2 6703026021440100
n3 5.487902134576E+23
n4 4.4930557844103E+31
n5 3.678555081118E+39

Nth Root

y√n
2√n 9048.3153128082
3√n 434.22199421068
4√n 95.122633020792
5√n 38.249616972585

Divisors of 81872010

1, 2, 3, 6, 11, 15, 22, 30, 33, 45, 66, 90, 165, 330, 495, 990, 82699, 165398, 248097, 496194, 909689, 1240485, 1819378, 2480970, 2729067, 3721455, 5458134, 7442910, 13645335, 27290670, 40936005, 81872010

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81872009
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81872010 can be divided by 32 positive divisors. The sum of these divisors (counting 81872010) is 1, the average is 0.03125.

Base conversion 81872010

Base System Value
2 Binary 100111000010100010010001010
3 Ternary 12201001112021200
4 Quaternary 10320110102022
5 Quinary 131424401020
6 Senary 12042445030
8 Octal 470242212
10 Decimal 81872010
12 Duodecimal 23503776
16 Hexadecimal 4e1448a
20 Vigesimal 15be00a
36 Base36 1cqsui

Cryptographic Hash Functions

md5 9b7f0038f63ba0e9f5749f04cc74de3c
sha1 dedca1ec4e81125a8108243e867627c8255dc147
sha256 7ee2aed09f7f1e5823680488a0cbb576f8ffed031c9834e75aef82b7fea74129
sha512 5d0eeb3affc41c0011ecb6a373b2ea5cfe4ecb99528b67316cfab30ad4cf25e73a1fcbf97f662ab7aa26f930b7e639c66f264d904b950a4dd098549681bac015
ripemd-160 bf9c5fe36a3bef78095d4887feed14de909511cc

81872010 as geometric shapes

Circle

Radius = n
Diameter 163744020
Circumference 514417010.30126
Area 2.1058177305777E+16

Sphere

Radius = n
Volume 2.2987670706138E+24
Surface area 8.423270922311E+16
Circumference 514417010.30126

Square

Length = n
Perimeter 327488040
Area 6703026021440100
Diagonal 115784506.92075

Cube

Length = n
Surface area 40218156128640600
Volume 5.487902134576E+23
Space diagonal 141806481.03779

Equilateral Triangle

Length = n
Perimeter 245616030
Area 2.9024954083976E+15
Altitude 70903240.518894

Triangular Pyramid

Length = n
Surface area 2.9024954083976E+15
Volume 6.4675546897447E+22
Height 38594835.640249