1997647764

Names of 1997647764

• Cardinal: 1997647764 can be written as One billion, nine hundred ninety-seven million, six hundred forty-seven thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 1.997647764 × 10⁹

Factors of 1997647764

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 180

Divisors of 1997647764

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 12 14 17 19 21 28 34 38 42 51 57 61 68 71 76 84 102 114 119 122 133 142 183 204 213 228 238 244 266 284 289 323 357 366 399 426 427 476 497 532 578 646 714 732 798 852 854 867 969 994 1037 1156 1159 1207 1281 1292 1349 1428 1491 1596 1708 1734 1938 1988 2023 2074 2261 2318 2414 2562 2698 2982 3111 3468 3477 3621 3876 4046 4047 4148 4331 4522 4636 4828 5124 5396 5491 5964 6069 6222 6783 6954 7242 7259 8092 8094 8113 8449 8662 9044 9443 10982 12138 12444 12993 13566 13908 14484 14518 16188 16226 16473 16898 17324 17629 18886 19703 20519 21777 21964 22933 24276 24339 25347 25986 27132 28329 29036 30317 32452 32946 33796 35258 37772 38437 39406 41038 43554 45866 48678 50694 51972 52887 56658 59109 60634 61557 65892 68799 70516 73627 76874 78812 82076 82289 87108 90951 91732 97356 101388 105774 113316 115311 118218 121268 123114 123403 137598 137921 143633 147254 153748 160531 164578 181902 211548 220881 230622 236436 246228 246806 246867 275196 275842 287266 294508 321062 329156 334951 363804 370209 389861 413763 430899 441762 461244 481593 493612 493734 515389 551684 574532 576023 642124 669902 740418 779722 827526 861798 883524 963186 987468 1004853 1030778 1152046 1169583 1251659 1339804 1398913 1480836 1546167 1559444 1655052 1723596 1728069 1926372 2009706 2061556 2304092 2339166 2344657 2503318 2729027 2797826 3092334 3456138 3754977 4019412 4196739 4678332 4689314 5006636 5458054 5595652 6184668 6912276 7033971 7509954 8187081 8393478 8761613 9378628 9792391 10916108 14067942 15019908 16374162 16786956 17523226 19584782 23781521 26284839 28135884 29377173 32748324 35046452 39169564 47563042 52569678 58754346 71344563 95126084 105139356 117508692 142689126 166470647 285378252 332941294 499411941 665882588 998823882 1997647764
• Sum of all divisors σ(n): 6139607040
• Sum of proper divisors (its aliquot sum) s(n): 4141959276
• 1997647764 is an abundant number, because the sum of its proper divisors (4141959276) is greater than itself. Its abundance is 2144311512

Bases of 1997647764

• Binary: 1110111000100011010111110010100₂
• Hexadecimal: 0x7711AF94
• Base-36: X1CIVO

Squares and roots of 1997647764

• 1997647764 squared (1997647764²) is 3990596589014199696
• 1997647764 cubed (1997647764³) is 7971806353070242986963879744
• The square root of 1997647764 is 44695.0530148471
• The cube root of 1997647764 is 1259.4269175165

Scales and comparisons

• 1,997,647,764 seconds is equal to 63 years, 26 weeks, 6 days, 22 hours, 9 minutes, 24 seconds.
• To count from 1 to 1,997,647,764 would take you about one hundred twenty-seven 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 1997647764 cubic inches would be around 105 feet tall.

Recreational maths with 1997647764

• 1997647764 backwards is 4677467991
• The number of decimal digits it has is: 10
• The sum of 1997647764's digits is 60
• More coming soon!