638997988, six hundred thirty-eight million nine hundred ninety-seven thousand nine hundred eighty-eight: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

638997988 has 6 divisors, whose sum is 1118246486
The reverse of 638997988 is 889799836
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 9
Sum of Digits 67
Digital Root 4

Name

Name	six hundred thirty-eight million nine hundred ninety-seven thousand nine hundred eighty-eight

Notation

Scientific notation	6.38997988 × 10^8
Engineering notation	6.38997988 × 10^6

Prime Factorization of 638997988

Prime Factorization 2 × 2 × 159749497

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	319498994	Product of the distinct prime numbers

The prime factorization of 638997988 is 2 × 2 × 159749497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 3, 31, 18, 90, 501, 8724, 3490, 37372, 66594, 462196, 582912, 6906653, 3705999, 60683273, 92460768, 52193227, 891482692, 853365218, 7856683264

Basic calculations (n = 638997988)

Multiplication

n×y

n×2	1277995976
n×3	1916993964
n×4	2555991952
n×5	3194989940

Division

n÷y

n÷2	319498994
n÷3	212999329.33333
n÷3	159749497
n÷5	127799597.6

Exponentiation

n^y

n²	408318428668048144
n³	2.609146543822E+26
n⁴	1.6672393918994E+35
n⁵	1.0653626169381E+44

Nth Root

^y√n

²√n	25278.409522753
³√n	861.32389746799
⁴√n	158.99185363645
⁵√n	57.689914876426

Divisors of 638997988

1, 2, 4, 159749497, 319498994, 638997988

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-638997987	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638997988 can be divided by 6 positive divisors. The sum of these divisors (counting 638997988) is 1, the average is 0.16666666666667.

Base conversion 638997988

Base	System	Value
2	Binary	100110000101100101010111100100
3	Ternary	1122112101110110011
4	Quaternary	212011211113210
5	Quinary	2302040413423
6	Senary	143223540004
8	Octal	4605452744
10	Decimal	638997988
12	Duodecimal	159bba604
16	Hexadecimal	261655e4
20	Vigesimal	9jdeej8
36	Base36	akfy04

Cryptographic Hash Functions

md5	4c0d2ad923462fc06f3f1d026d8298d2
sha1	6f0d59682158c21c1dd179303da3bac7acbba677
sha256	4a9f5d43c87a540c456afe70d7a0eb0df12b52340693d73a8fe51808ab8eaa91
sha512	c724b48769e9b17c4338f3ce454c3c0e038df63894efde7cd9980c6bf608f49727d6c7c11e67a415c75eb9ab185e9e0722a99cfba2457640aba56f13a60f6cb0
ripemd-160	a926ba1cb5b734d72252ddd1ac496bce836b5fa1

638997988 as geometric shapes

Circle

Radius = n

Diameter	1277995976
Circumference	4014942769.5189
Area	1.2827701758289E+18

Sphere

Radius = n

Volume	1.0929167485614E+27
Surface area	5.1310807033155E+18
Circumference	4014942769.5189

Square

Length = n

Perimeter	2555991952
Area	408318428668048144
Diagonal	903679620.95872

Cube

Length = n

Surface area	2449910572008288864
Volume	2.609146543822E+26
Space diagonal	1106776981.1503

Equilateral Triangle

Length = n

Perimeter	1916993964
Area	1.7680706602994E+17
Altitude	553388490.57514

Triangular Pyramid

Length = n

Surface area	1.7680706602994E+17
Volume	3.07490869041E+25
Height	301226540.31957