661997198016

Names of 661997198016

• Cardinal: 661997198016 can be written as Six hundred sixty-one billion, nine hundred ninety-seven million, one hundred ninety-eight thousand and sixteen.

Scientific notation

• Scientific notation: 6.61997198016 × 10¹¹

Factors of 661997198016

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 51687

Divisors of 661997198016

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 17 18 21 22 24 28 32 33 34 36 42 44 48 51 56 63 64 66 68 72 77 84 88 96 99 102 112 119 126 132 136 144 153 154 168 176 187 192 198 204 224 231 238 252 264 272 288 289 306 308 336 352 357 374 396 408 448 462 476 504 528 544 561 576 578 612 616 672 693 704 714 748 792 816 867 924 952 1008 1056 1071 1088 1122 1156 1224 1232 1309 1344 1386 1428 1496 1584 1632 1683 1734 1848 1904 2016 2023 2112 2142 2244 2312 2448 2464 2601 2618 2772 2856 2992 3168 3179 3264 3366 3468 3696 3808 3927 4032 4046 4284 4488 4624 4896 4928 5202 5236 5544 5712 5984 6069 6336 6358 6732 6936 7392 7616 7854 8092 8568 8976 9248 9537 9792 10404 10472 11088 11424 11781 11968 12138 12716 13464 13872 14784 15708 16184 17136 17952 18207 18496 19074 20808 20944 22176 22253 22848 23562 24276 25432 26928 27744 28611 31416 32368 34272 35904 36414 38148 41616 41888 44352 44506 47124 48552 50864 51647 53856 55488 57222 62832 64736 66759 68544 72828 76296 83232 83776 89012 94248 97104 101728 103294 107712 114444 125664 129472 133518 145656 152592 154941 166464 178024 188496 194208 200277 203456 206588 228888 251328 267036 291312 305184 309882 356048 361529 376992 388416 400554 413176 457776 464823 534072 568117 582624 610368 619764 712096 723058 753984 801108 826352 877999 915552 929646 1068144 1084587 1136234 1165248 1239528 1424192 1446116 1602216 1652704 1704351 1755998 1831104 1859292 2136288 2169174 2272468 2479056 2633997 2892232 3204432 3253761 3305408 3408702 3511996 3718584 3976819 4272576 4338348 4544936 4958112 5113053 5267994 5784464 6145993 6408864 6507522 6817404 7023992 7437168 7901991 7953638 8676696 9089872 9657989 9916224 10226106 10535988 11568928 11930457 12291986 12817728 13015044 13634808 14047984 14874336 14925983 15803982 15907276 17353392 18179744 18437979 19315978 20452212 21071976 23137856 23860914 24583972 26030088 27269616 28095968 28973967 29748672 29851966 31607964 31814552 34706784 35791371 36359488 36875958 38631956 40904424 42143952 44777949 47721828 49167944 52060176 54539232 55313937 56191936 57947934 59703932 63215928 63629104 67605923 69413568 71582742 73751916 77263912 81808848 84287904 86921901 89555898 95443656 98335888 104120352 104481881 109078464 110627874 115895868 119407864 126431856 127258208 134333847 135211846 143165484 147503832 154527824 163617696 164185813 168575808 173843802 179111796 190887312 196671776 202817769 208240704 208963762 221255748 231791736 238815728 252863712 254516416 268667694 270423692 286330968 295007664 309055648 313445643 327235392 328371626 347687604 358223592 381774624 393343552 405635538 417927524 442511496 463583472 477631456 492557439 505727424 537335388 540847384 572661936 590015328 608453307 618111296 626891286 656743252 695375208 716447184 763549248 811271076 835855048 885022992 927166944 940336929 955262912 985114878 1074670776 1081694768 1145323872 1149300691 1180030656 1216906614 1253782572 1313486504 1390750416 1432894368 1477672317 1622542152 1671710096 1770045984 1854333888 1880673858 1970229756 2149341552 2163389536 2290647744 2298601382 2433813228 2507565144 2626973008 2781500832 2865788736 2955344634 3245084304 3343420192 3447902073 3540091968 3761347716 3940459512 4298683104 4326779072 4597202764 4867626456 5015130288 5253946016 5563001664 5910689268 6490168608 6686840384 6895804146 7522695432 7880919024 8597366208 9194405528 9735252912 10030260576 10343706219 10507892032 11821378536 12980337216 13791608292 15045390864 15761838048 18388811056 19470505824 20060521152 20687412438 23642757072 27583216584 30090781728 31523676096 36777622112 38941011648 41374824876 47285514144 55166433168 60181563456 73555244224 82749649752 94571028288 110332866336 165499299504 220665732672 330998599008 661997198016
• Sum of all divisors σ(n): 2513102432256
• Sum of proper divisors (its aliquot sum) s(n): 1851105234240
• 661997198016 is an abundant number, because the sum of its proper divisors (1851105234240) is greater than itself. Its abundance is 1189108036224

Bases of 661997198016

• Binary: 1001101000100010000110111001101011000000₂
• Hexadecimal: 0x9A221B9AC0
• Base-36: 8G481F40

Squares and roots of 661997198016

• 661997198016 squared (661997198016²) is 438240290181035114336256
• 661997198016 cubed (661997198016³) is 290113844157564003073107663640068096
• The square root of 661997198016 is 813632.1023755147
• The cube root of 661997198016 is 8715.3610594939

Scales and comparisons

• 661,997,198,016 seconds is equal to 21,049 years, 24 weeks, 14 hours, 33 minutes, 36 seconds.
• To count from 1 to 661,997,198,016 would take you about forty-two thousand and ninety-eight 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 661997198016 cubic inches would be around 726.3 feet tall.

Recreational maths with 661997198016

• 661997198016 backwards is 610891799166
• 661997198016 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 661997198016's digits is 63
• More coming soon!