Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

72156921 (number)

72156921 is an odd 8-digits composite number following 72156920 and preceding 72156922. In scientific notation, it is written as 7.2156921 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 48073392 positive integers (up to 72156921) that are relatively prime to 72156921.

Interesting facts

72156921 has 8 divisors, whose sum is 96271680
The reverse of 72156921 is 12965127
Previous prime number is 1733

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	seventy-two million one hundred fifty-six thousand nine hundred twenty-one

Notation

Scientific notation	7.2156921 × 10^7
Engineering notation	7.2156921 × 10^6

Prime Factorization of 72156921

Prime Factorization 3 × 1733 × 13879

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	72156921	Product of the distinct prime numbers

The prime factorization of 72156921 is 3 × 1733 × 13879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 51, 68, 837, 446, 5202, 6454, 40026, 14214, 280458, 378569, 3252724, 1954232, 55495346, 25496663, 543580805, 917408738, 4795479274, 1304648409

Basic calculations (n = 72156921)

Multiplication

n×y

n×2	144313842
n×3	216470763
n×4	288627684
n×5	360784605

Division

n÷y

n÷2	36078460.5
n÷3	24052307
n÷3	18039230.25
n÷5	14431384.2

Exponentiation

n^y

n²	5206621248200241
n³	3.7569375808331E+23
n⁴	2.710890482221E+31
n⁵	1.9560951036527E+39

Nth Root

^y√n

²√n	8494.5230001454
³√n	416.31877571114
⁴√n	92.165736584402
⁵√n	37.295428273654

Divisors of 72156921

1, 3, 1733, 5199, 13879, 41637, 24052307, 72156921

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	-72156920	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 72156921 can be divided by 8 positive divisors. The sum of these divisors (counting 72156921) is 1, the average is 0.125.

Base conversion 72156921

Base	System	Value
2	Binary	100010011010000011011111001
3	Ternary	12000202221200120
4	Quaternary	10103100123321
5	Quinary	121433010141
6	Senary	11054323453
8	Octal	423203371
10	Decimal	72156921
12	Duodecimal	201b9589
16	Hexadecimal	44d06f9
20	Vigesimal	12ajc61
36	Base36	16ykmx

Cryptographic Hash Functions

md5	ca533a482ef67926afddd3fb82a0b9fe
sha1	99f683fef5ce0a3769e55ffb28ccddf14faec419
sha256	8a59f08868665e7c4df519cf21100f8c3ecc2bc20ab2c965c4f0649232011156
sha512	edd7eeb021df3e4e2a15a360024c8d1e4c3d04e0f0d1eae1b8210bc00e5f09fa83879152c2a32cc209ebfb966e4947bf887bb87da2e4c88d755c4fe466053111
ripemd-160	fd90c46f91d1afdf61c78ab8ecfa79e97e90e09c

72156921 as geometric shapes

Circle

Radius = n

Diameter	144313842
Circumference	453375305.83852
Area	1.635708306337E+16

Sphere

Radius = n

Volume	1.5737023338587E+24
Surface area	6.5428332253482E+16
Circumference	453375305.83852

Square

Length = n

Perimeter	288627684
Area	5206621248200241
Diagonal	102045296.29728

Cube

Length = n

Surface area	31239727489201446
Volume	3.7569375808331E+23
Space diagonal	124979453.28973

Equilateral Triangle

Length = n

Perimeter	216470763
Area	2.2545331344126E+15
Altitude	62489726.644867

Triangular Pyramid

Length = n

Surface area	2.2545331344126E+15
Volume	4.4275933998361E+22
Height	34015098.765761