640318875299727889329

Names of 640318875299727889329

• Cardinal: 640318875299727889329 can be written as Six hundred forty quintillion, three hundred eighteen quadrillion, eight hundred seventy-five trillion, two hundred ninety-nine billion, seven hundred twenty-seven million, eight hundred eighty-nine thousand, three hundred twenty-nine.

Scientific notation

• Scientific notation: 6.40318875299727889329 × 10²⁰

Factors of 640318875299727889329

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4193

Divisors of 640318875299727889329

• Number of divisors d(n): 147
• Complete list of divisors:
  1 3 9 27 61 81 183 243 549 729 1647 3721 4129 4941 11163 12387 14823 33489 37161 44469 100467 111483 226981 251869 301401 334449 680943 755607 904203 1003347 2042829 2266821 2712609 3010041 6128487 6800463 13845841 15364009 17048641 18385461 20401389 41537523 46092027 51145923 55156383 61204167 124612569 138276081 153437769 165469149 183612501 373837707 414828243 460313307 844596301 937204549 1039967101 1121513121 1244484729 1380939921 2533788903 2811613647 3119901303 3364539363 3733454187 4142819763 7601366709 8434840941 9359703909 10093618089 11200362561 12428459289 22804100127 25304522823 28079111727 51520374361 57169477489 63437993161 68412300381 75913568469 84237335181 154561123083 171508432467 190313979483 205236901143 227740705407 252712005543 463683369249 514525297401 570941938449 615710703429 683222116221 758136016629 1391050107747 1543575892203 1712825815347 3487338126829 3869717582821 4173150323241 4630727676609 5138477446041 10462014380487 11609152748463 12519450969723 13892183029827 15415432338123 31386043141461 34827458245389 37558352909169 41676549089481 46246297014369 94158129424383 104482374736167 212727625736569 236052772552081 282474388273149 313447124208501 638182877209707 708158317656243 847423164819447 940341372625503 1914548631629121 2124474952968729 2542269494458341 2821024117876509 5743645894887363 6373424858906187 14399219125676941 17230937684662089 19120274576718561 43197657377030823 51692813053986267 57360823730155683 129592972131092469 155078439161958801 172082471190467049 388778916393277407 878352366666293401 1166336749179832221 2635057099998880203 3499010247539496663 7905171299996640609 10497030742618489989 23715513899989921827 71146541699969765481 213439625099909296443 640318875299727889329
• Sum of all divisors σ(n): 976276232778863254701
• Sum of proper divisors (its aliquot sum) s(n): 335957357479135365372
• 640318875299727889329 is a deficient number, because the sum of its proper divisors (335957357479135365372) is less than itself. Its deficiency is 304361517820592523957

Bases of 640318875299727889329

• Binary: 1000101011011000110101101000001000011111000001111011010101001110110001₂
• Hexadecimal: 0x22B635A087C1ED53B1
• Base-36: 3R4UC1JCYV6E29

Squares and roots of 640318875299727889329

• 640318875299727889329 squared (640318875299727889329²) is 410008262065108474892376377391617272070241
• 640318875299727889329 cubed (640318875299727889329³) is 262536029229126346392278650002897968111234237514269077162358289
• 640318875299727889329 is a perfect square number. Its square root is 25304522823
• The cube root of 640318875299727889329 is 8619169.7641737737

Scales and comparisons

• 640,318,875,299,727,889,329 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 640,318,875,299,727,889,329 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 640318875299727889329 cubic inches would be around 718264.1 feet tall.

Recreational maths with 640318875299727889329

• 640318875299727889329 backwards is 923988727992578813046
• The number of decimal digits it has is: 21
• The sum of 640318875299727889329's digits is 117
• More coming soon!