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

72028981 (number)

72028981 is an odd 8-digits composite number following 72028980 and preceding 72028982. In scientific notation, it is written as 7.2028981 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 68237964 positive integers (up to 72028981) that are relatively prime to 72028981.

Interesting facts

72028981 has 4 divisors, whose sum is 75820000
The reverse of 72028981 is 18982027
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	seventy-two million twenty-eight thousand nine hundred eighty-one

Notation

Scientific notation	7.2028981 × 10^7
Engineering notation	7.2028981 × 10^6

Prime Factorization of 72028981

Prime Factorization 19 × 3790999

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	72028981	Product of the distinct prime numbers

The prime factorization of 72028981 is 19 × 3790999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 62, 12, 72, 837, 6768, 1707, 59304, 83474, 107343, 311988, 46109, 3519787, 21913920, 43032202, 892218522, 149532916, 3351614167, 309059946

Basic calculations (n = 72028981)

Multiplication

n×y

n×2	144057962
n×3	216086943
n×4	288115924
n×5	360144905

Division

n÷y

n÷2	36014490.5
n÷3	24009660.333333
n÷3	18007245.25
n÷5	14405796.2

Exponentiation

n^y

n²	5188174103898361
n³	3.7369889395439E+23
n⁴	2.6917150532362E+31
n⁵	1.9388149242696E+39

Nth Root

^y√n

²√n	8486.9889242298
³√n	416.07257463154
⁴√n	92.124855083901
⁵√n	37.282193327408

Divisors of 72028981

1, 19, 3790999, 72028981

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	-72028980	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 72028981 can be divided by 4 positive divisors. The sum of these divisors (counting 72028981) is 1, the average is 0.25.

Base conversion 72028981

Base	System	Value
2	Binary	100010010110001001100110101
3	Ternary	12000112110012001
4	Quaternary	10102301030311
5	Quinary	121414411411
6	Senary	11051455301
8	Octal	422611465
10	Decimal	72028981
12	Duodecimal	20157531
16	Hexadecimal	44b1335
20	Vigesimal	12a3c91
36	Base36	16vtx1

Cryptographic Hash Functions

md5	168cc8cac9ae77d7e8f0be97ad4c84af
sha1	d172ce8288472472b3ee0941ae6bf5b86039a8ef
sha256	23c06e279b3c402e1bc15176806c9fafe366578575f86962b812706da5fb18ab
sha512	d9b07ef189635de5b45c665ecade79b2ae8041b70826dfb7f875736a5a554084df22a3c29a91246231683014af492633ff5396d8f1af4eacd392fd12bf7d7bc1
ripemd-160	2c759dad8863d44bf50b67829558fa8721b66c40

72028981 as geometric shapes

Circle

Radius = n

Diameter	144057962
Circumference	452571435.11032
Area	1.6299129650352E+16

Sphere

Radius = n

Volume	1.5653462665356E+24
Surface area	6.5196518601408E+16
Circumference	452571435.11032

Square

Length = n

Perimeter	288115924
Area	5188174103898361
Diagonal	101864361.81411

Cube

Length = n

Surface area	31129044623390166
Volume	3.7369889395439E+23
Space diagonal	124757854.70941

Equilateral Triangle

Length = n

Perimeter	216086943
Area	2.2465452866163E+15
Altitude	62378927.354707

Triangular Pyramid

Length = n

Surface area	2.2465452866163E+15
Volume	4.4040837006177E+22
Height	33954787.271371