66321398472

Names of 66321398472

• Cardinal: 66321398472 can be written as Sixty-six billion, three hundred twenty-one million, three hundred ninety-eight thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.6321398472 × 10¹⁰

Factors of 66321398472

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 654

Divisors of 66321398472

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 23 24 28 42 43 46 49 56 69 84 86 92 98 127 129 138 147 161 168 172 184 196 254 258 276 294 301 322 344 381 392 449 483 508 516 552 588 602 644 762 889 898 903 966 989 1016 1032 1127 1176 1204 1288 1347 1524 1778 1796 1806 1932 1978 2107 2254 2408 2667 2694 2921 2967 3048 3143 3381 3556 3592 3612 3864 3956 4214 4508 5334 5388 5461 5842 5934 6223 6286 6321 6762 6923 7112 7224 7912 8428 8763 9016 9429 10327 10668 10776 10922 11684 11868 12446 12572 12642 13524 13846 16383 16856 17526 18669 18858 19307 20447 20654 20769 21336 21844 22001 23368 23736 24892 25144 25284 27048 27692 30981 32766 35052 37338 37716 38227 38614 40894 41308 41538 43688 44002 48461 49784 50568 55384 57023 57921 61341 61962 65532 66003 70104 72289 74676 75432 76454 77228 81788 82616 83076 88004 96922 114046 114681 115842 122682 123924 125603 131064 132006 135149 143129 144578 145383 149352 152908 154456 163576 166152 171069 176008 193844 216867 228092 229362 231684 245364 247848 251206 264012 267589 270298 286258 289156 290766 305816 342138 376809 387688 399161 405447 429387 433734 444061 456184 458724 463368 490728 502412 506023 528024 535178 540596 572516 578312 581532 684276 753618 798322 802767 810894 858774 867468 879221 888122 917448 946043 1004824 1012046 1070356 1081192 1145032 1163064 1197483 1311529 1332183 1368552 1507236 1518069 1596644 1605534 1621788 1717548 1734936 1758442 1776244 1892086 2024092 2140712 2394966 2451989 2623058 2637663 2664366 2794127 2838129 3014472 3036138 3108427 3193288 3211068 3243576 3435096 3516884 3552488 3784172 3934587 4048184 4789932 4903978 5246116 5275326 5328732 5588254 5676258 6072276 6154547 6216854 6422136 7033768 7355967 7568344 7869174 8382381 9180703 9325281 9579864 9807956 10492232 10550652 10657464 11176508 11352516 12144552 12309094 12433708 14711934 15738348 16764762 17163923 18361406 18463641 18650562 19615912 21101304 21758989 22353016 22705032 24618188 24867416 27542109 29423868 31476696 33529524 34327846 36722812 36927282 37301124 43517978 49236376 51491769 55084218 56395747 58847736 64264921 65276967 67059048 68655692 73445624 73854564 74602248 87035956 102983538 110168436 112791494 120147461 128529842 130553934 137311384 147709128 169187241 174071912 192794763 205967076 220336872 225582988 240294922 257059684 261107868 338374482 360442383 385589526 394770229 411934152 451165976 480589844 514119368 522215736 676748964 720884766 771179052 789540458 961179688 1184310687 1353497928 1441769532 1542358104 1579080916 2368621374 2763391603 2883539064 3158161832 4737242748 5526783206 8290174809 9474485496 11053566412 16580349618 22107132824 33160699236 66321398472
• Sum of all divisors σ(n): 208023552000
• Sum of proper divisors (its aliquot sum) s(n): 141702153528
• 66321398472 is an abundant number, because the sum of its proper divisors (141702153528) is greater than itself. Its abundance is 75380755056

Bases of 66321398472

• Binary: 111101110001000100000011101011001000₂
• Hexadecimal: 0xF71103AC8
• Base-36: UGU1QKO

Squares and roots of 66321398472

• 66321398472 squared (66321398472²) is 4398527895281803934784
• 66321398472 cubed (66321398472³) is 291716521233192007489787165250048
• The square root of 66321398472 is 257529.4128289039
• The cube root of 66321398472 is 4047.7892414825

Scales and comparisons

• 66,321,398,472 seconds is equal to 2,108 years, 42 weeks, 2 days, 18 hours, 41 minutes, 12 seconds.
• To count from 1 to 66,321,398,472 would take you about four thousand, two hundred seventeen 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 66321398472 cubic inches would be around 337.3 feet tall.

Recreational maths with 66321398472

• 66321398472 backwards is 27489312366
• The number of decimal digits it has is: 11
• The sum of 66321398472's digits is 51
• More coming soon!