20489983668

Names of 20489983668

• Cardinal: 20489983668 can be written as Twenty billion, four hundred eighty-nine million, nine hundred eighty-three thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0489983668 × 10¹⁰

Factors of 20489983668

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2932

Divisors of 20489983668

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 49 54 63 66 77 84 98 99 108 121 126 132 147 154 189 196 198 231 242 252 294 297 308 363 378 396 441 462 484 539 588 594 693 726 756 847 882 924 1078 1089 1188 1323 1331 1386 1452 1617 1694 1764 2079 2156 2178 2541 2646 2662 2772 2909 3234 3267 3388 3993 4158 4356 4851 5082 5292 5324 5818 5929 6468 6534 7623 7986 8316 8727 9317 9702 10164 11636 11858 11979 13068 14553 15246 15972 17454 17787 18634 19404 20363 22869 23716 23958 26181 27951 29106 30492 31999 34908 35574 35937 37268 40726 45738 47916 52362 53361 55902 58212 61089 63998 65219 71148 71874 78543 81452 83853 91476 95997 104724 106722 111804 122178 127996 130438 142541 143748 157086 160083 167706 183267 191994 195657 213444 223993 244356 251559 260876 285082 287991 314172 320166 335412 351989 366534 383988 391314 427623 447986 503118 549801 570164 575982 586971 640332 671979 703978 733068 782628 855246 863973 895972 1006236 1055967 1099602 1151964 1173942 1282869 1343958 1407956 1567951 1710492 1727946 1760913 2015937 2111934 2199204 2347884 2463923 2565738 2687916 3135902 3167901 3455892 3521826 3848607 3871879 4031874 4223868 4703853 4927846 5131476 6047811 6271804 6335802 7043652 7391769 7697214 7743758 8063748 9407706 9503703 9855692 11615637 12095622 12671604 14111559 14783538 15394428 15487516 17247461 18815412 19007406 22175307 23231274 24191244 27103153 28223118 29567076 34494922 34846911 38014812 42334677 44350614 46462548 51742383 54206306 56446236 66525921 68989844 69693822 81309459 84669354 88701228 103484766 104540733 108412612 133051842 139387644 155227149 162618918 169338708 189722071 206969532 209081466 243928377 266103684 310454298 325237836 379444142 418162932 465681447 487856754 569166213 620908596 731785131 758888284 931362894 975713508 1138332426 1463570262 1707498639 1862725788 2276664852 2927140524 3414997278 5122495917 6829994556 10244991834 20489983668
• Sum of all divisors σ(n): 67993430400
• Sum of proper divisors (its aliquot sum) s(n): 47503446732
• 20489983668 is an abundant number, because the sum of its proper divisors (47503446732) is greater than itself. Its abundance is 27013463064

Bases of 20489983668

• Binary: 10011000101010011000101011010110100₂
• Hexadecimal: 0x4C54C56B4
• Base-36: 9EV7GL0

Squares and roots of 20489983668

• 20489983668 squared (20489983668²) is 419839430714906734224
• 20489983668 cubed (20489983668³) is 8602503078530856548392976653632
• The square root of 20489983668 is 143143.2278104697
• The cube root of 20489983668 is 2736.4060214225

Scales and comparisons

• 20,489,983,668 seconds is equal to 651 years, 26 weeks, 6 days, 14 hours, 7 minutes, 48 seconds.
• To count from 1 to 20,489,983,668 would take you about one thousand, three hundred three 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 20489983668 cubic inches would be around 228 feet tall.

Recreational maths with 20489983668

• 20489983668 backwards is 86638998402
• 20489983668 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20489983668's digits is 63
• More coming soon!