1649400379259780

Names of 1649400379259780

• Cardinal: 1649400379259780 can be written as One quadrillion, six hundred forty-nine trillion, four hundred billion, three hundred seventy-nine million, two hundred fifty-nine thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 1.64940037925978 × 10¹⁵

Factors of 1649400379259780

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 165935651922

Divisors of 1649400379259780

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 71 140 142 284 355 497 710 994 1420 1988 2485 4970 9940 165935651837 331871303674 663742607348 829678259185 1161549562859 1659356518370 2323099125718 3318713036740 4646198251436 5807747814295 11615495628590 11781431280427 23230991257180 23562862560854 47125725121708 58907156402135 82470018962989 117814312804270 164940037925978 235628625608540 329880075851956 412350094814945 824700189629890 1649400379259780
• Sum of all divisors σ(n): 4014315289264896
• Sum of proper divisors (its aliquot sum) s(n): 2364914910005116
• 1649400379259780 is an abundant number, because the sum of its proper divisors (2364914910005116) is greater than itself. Its abundance is 715514530745336

Bases of 1649400379259780

• Binary: 101110111000001111011110011101100101011101110000100₂
• Hexadecimal: 0x5DC1EF3B2BB84
• Base-36: G8NW2NJZWK

Squares and roots of 1649400379259780

• 1649400379259780 squared (1649400379259780²) is 2720521611102306101980725648400
• 1649400379259780 cubed (1649400379259780³) is 4487229377136571396513178614338533652541352000
• The square root of 1649400379259780 is 40612810.5314047429
• The cube root of 1649400379259780 is 118152.2591449311

Scales and comparisons

• 1,649,400,379,259,780 seconds is equal to 52,445,830 years, 6 weeks, 5 days, 8 hours, 36 minutes, 20 seconds.
• To count from 1 to 1,649,400,379,259,780 would take you about one hundred fifty-seven million, three hundred thirty-seven thousand, four hundred ninety 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 1649400379259780 cubic inches would be around 9846 feet tall.

Recreational maths with 1649400379259780

• 1649400379259780 backwards is 0879529730049461
• The number of decimal digits it has is: 16
• The sum of 1649400379259780's digits is 74
• More coming soon!