1643223918560380

Names of 1643223918560380

• Cardinal: 1643223918560380 can be written as One quadrillion, six hundred forty-three trillion, two hundred twenty-three billion, nine hundred eighteen million, five hundred sixty thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.64322391856038 × 10¹⁵

Factors of 1643223918560380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 981273

Divisors of 1643223918560380

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 13 20 26 52 61 65 122 130 169 244 260 305 338 610 676 793 845 1220 1586 1690 3172 3380 3965 7930 8191 10309 15860 16382 20618 32764 40955 41236 51545 81910 103090 106483 163820 206180 212966 425932 499651 532415 973001 999302 1064830 1384279 1946002 1998604 2129660 2498255 2768558 3892004 4865005 4996510 5537116 6495463 6921395 9730010 9993020 12649013 12990926 13842790 19460020 25298026 25981852 27685580 32477315 50596052 59353061 63245065 64954630 84441019 118706122 126490130 129909260 164437169 168882038 237412244 252980260 296765305 328874338 337764076 422205095 593530610 657748676 771589793 822185845 844410190 1187061220 1543179586 1644371690 1688820380 3086359172 3288743380 3857948965 7715897930 7969851191 10030667309 15431795860 15939702382 20061334618 31879404764 39849255955 40122669236 50153336545 79698511910 100306673090 103608065483 159397023820 200613346180 207216130966 414432261932 486160922651 518040327415 972321845302 1036080654830 1346904851279 1944643690604 2072161309660 2430804613255 2693809702558 4861609226510 5387619405116 6320091994463 6734524256395 9723218453020 12640183988926 13469048512790 25280367977852 26938097025580 31600459972315 63200919944630 82161195928019 126401839889260 164322391856038 328644783712076 410805979640095 821611959280190 1643223918560380
• Sum of all divisors σ(n): 3798356697612288
• Sum of proper divisors (its aliquot sum) s(n): 2155132779051908
• 1643223918560380 is an abundant number, because the sum of its proper divisors (2155132779051908) is greater than itself. Its abundance is 511908860491528

Bases of 1643223918560380

• Binary: 101110101101000000011100001111100111100010001111100₂
• Hexadecimal: 0x5D680E1F3C47C
• Base-36: G6H2NABR7G

Squares and roots of 1643223918560380

• 1643223918560380 squared (1643223918560380²) is 2700184846528930362651705744400
• 1643223918560380 cubed (1643223918560380³) is 4437008324350627235163578779318837424246872000
• The square root of 1643223918560380 is 40536698.4171180375
• The cube root of 1643223918560380 is 118004.5942518517

Scales and comparisons

• 1,643,223,918,560,380 seconds is equal to 52,249,437 years, 40 weeks, 5 days, 16 hours, 59 minutes, 40 seconds.
• To count from 1 to 1,643,223,918,560,380 would take you about one hundred fifty-six million, seven hundred forty-eight thousand, three hundred thirteen 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 1643223918560380 cubic inches would be around 9833.7 feet tall.

Recreational maths with 1643223918560380

• 1643223918560380 backwards is 0830658193223461
• 1643223918560380 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1643223918560380's digits is 61
• More coming soon!