64403361990

Names of 64403361990

• Cardinal: 64403361990 can be written as Sixty-four billion, four hundred three million, three hundred sixty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.440336199 × 10¹⁰

Factors of 64403361990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5581

Divisors of 64403361990

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 121 165 198 242 330 363 495 605 726 990 1089 1210 1433 1815 2178 2866 3630 4127 4299 5445 7165 8254 8598 10890 12381 12897 14330 15763 20635 21495 24762 25794 31526 37143 41270 42990 45397 47289 61905 64485 74286 78815 90794 94578 123810 128970 136191 141867 157630 173393 185715 226985 236445 272382 283734 346786 371430 408573 453970 472890 499367 520179 680955 709335 817146 866965 998734 1040358 1361910 1418670 1498101 1560537 1733930 2042865 2496835 2600895 2996202 3121074 4085730 4494303 4993670 5201790 5913991 7490505 7802685 8988606 11827982 14981010 15605370 17741973 22471515 29569955 35483946 44943030 53225919 59139910 65053901 88709865 106451838 130107802 177419730 195161703 266129595 325269505 390323406 532259190 585485109 650539010 715592911 975808515 1170970218 1431185822 1951617030 2146778733 2927425545 3577964555 4293557466 5854851090 6440336199 7155929110 10733893665 12880672398 21467787330 32201680995 64403361990
• Sum of all divisors σ(n): 184228297344
• Sum of proper divisors (its aliquot sum) s(n): 119824935354
• 64403361990 is an abundant number, because the sum of its proper divisors (119824935354) is greater than itself. Its abundance is 55421573364

Bases of 64403361990

• Binary: 111011111110101111010101000011000110₂
• Hexadecimal: 0xEFEBD50C6
• Base-36: TL43K5I

Squares and roots of 64403361990

• 64403361990 squared (64403361990²) is 4147793035614976760100
• 64403361990 cubed (64403361990³) is 267131816332312310546157688599000
• The square root of 64403361990 is 253778.1747708025
• The cube root of 64403361990 is 4008.3857821707

Scales and comparisons

• 64,403,361,990 seconds is equal to 2,047 years, 43 weeks, 6 hours, 46 minutes, 30 seconds.
• To count from 1 to 64,403,361,990 would take you about four thousand and ninety-five 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 64403361990 cubic inches would be around 334 feet tall.

Recreational maths with 64403361990

• 64403361990 backwards is 09916330446
• 64403361990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64403361990's digits is 45
• More coming soon!