121395220817871

Names of 121395220817871

• Cardinal: 121395220817871 can be written as One hundred twenty-one trillion, three hundred ninety-five billion, two hundred twenty million, eight hundred seventeen thousand, eight hundred seventy-one.

Scientific notation

• Scientific notation: 1.21395220817871 × 10¹⁴

Factors of 121395220817871

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9835

Divisors of 121395220817871

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 7 11 13 19 21 33 39 49 57 77 91 121 133 143 147 151 209 231 247 273 361 363 399 429 453 539 627 637 741 847 931 1001 1057 1083 1463 1573 1617 1661 1729 1911 1963 2299 2527 2541 2717 2793 2869 3003 3171 3971 4389 4693 4719 4983 5187 5889 5929 6897 7007 7399 7581 8151 8607 9631 10241 11011 11627 11913 12103 13741 14079 16093 17689 17787 18271 19019 20083 21021 21593 22197 27797 28893 29887 30723 31559 32851 33033 34881 36309 37297 41223 43681 48279 51623 53067 54511 54813 57057 60249 64779 67417 77077 81389 83391 89661 94677 96187 98553 105941 111891 112651 125203 127897 131043 133133 140581 151151 154869 163533 182989 194579 202251 209209 220913 229957 231231 237523 244167 261079 288561 305767 317823 337953 347149 361361 375609 381577 383691 399399 410267 421743 453453 471919 548967 567853 583737 599621 627627 662739 689871 708643 712569 741587 783237 876421 895279 917301 1041447 1058057 1084083 1144731 1165351 1230801 1280923 1377233 1415757 1454281 1464463 1546391 1662661 1703559 1798863 1827553 2012879 2125929 2140369 2224761 2378857 2430043 2529527 2629263 2671039 2685837 2871869 3174171 3476791 3496053 3842769 3974971 4131699 4197347 4362843 4393389 4512937 4639173 4960501 4987983 5191109 5482659 6038637 6134947 6421107 6595831 7136571 7290129 7588581 7795073 8013117 8157457 8615607 8966461 9640631 10179967 10430373 11638627 11924913 12592041 13538811 14090153 14881503 15149563 15573327 15997091 16651999 17010301 18404841 18905653 19787493 20103083 22141669 23385219 24337537 24472371 26167427 26899383 27631339 27824797 28921893 29381429 30539901 31590559 34723507 34915881 38244701 42270459 45198283 45448689 46170817 47991273 49955997 51030903 54565511 56716959 57102199 60309249 66425007 67484417 71259769 73012611 78502281 82894017 83474391 85745803 88144287 94771677 98631071 104170521 106046941 111979637 114734103 116563993 132339571 135594849 138512451 154991683 163696533 170362759 171306597 175968001 183171989 193419373 202453251 207962183 213779307 221133913 257237409 267712907 287841697 295893213 303944729 316387981 318140823 323195719 335938911 349691979 359207407 381958577 397018713 420691711 464975049 497181113 511088277 524995441 527904003 549515967 580258119 600220621 623886549 663401739 742328587 783857459 803138721 863525091 911834187 926376997 949163943 969587157 1077622221 1084941781 1145875731 1231776007 1262075133 1282203923 1353935611 1455735281 1491543339 1574986323 1800661863 1873990349 2014891879 2127613103 2214715867 2226985761 2287584013 2351572377 2514451849 2779130991 2944841977 3254825343 3343392019 3480267791 3674968087 3695328021 3846611769 3951281477 4061806833 4201544347 4367205843 5468992243 5621971047 5774949851 6044675637 6382839309 6644147601 6824940733 6862752039 7543355547 8622432049 8834525931 10030176057 10190146967 10440803373 11024904261 11853844431 12604633041 14104243153 14893291721 16013088091 16406976729 17324849553 17601162943 20474822199 20613893839 23403744133 24361874537 25724776609 25867296147 27658970339 30570440901 38282945701 40424648957 42312729459 43464096247 44679875163 47774585131 48039264273 52803488829 61841681517 63524448361 70211232399 73085623611 75074348063 77174329827 82976911017 112091616637 114848837103 121273946871 130392288741 143323755393 163826208931 190573345083 193612792373 225223044189 267980619907 282972542699 304248673729 334422095917 336274849911 444671138527 491478626793 525520436441 580838377119 803941859721 825817828693 848917628097 912746021187 1003266287751 1334013415581 1576561309323 2129740716103 2477453486079 3112697969689 3678643055087 5780724800851 6389222148309 9338093909067 11035929165261 17342174402553 40465073605957 121395220817871
• Sum of all divisors σ(n): 236809740109824
• Sum of proper divisors (its aliquot sum) s(n): 115414519291953
• 121395220817871 is a deficient number, because the sum of its proper divisors (115414519291953) is less than itself. Its deficiency is 5980701525918

Bases of 121395220817871

• Binary: 11011100110100010000111000000111010011111001111₂
• Hexadecimal: 0x6E688703A7CF
• Base-36: 17147055N3

Squares and roots of 121395220817871

• 121395220817871 squared (121395220817871²) is 14736799637419660622152972641
• 121395220817871 cubed (121395220817871³) is 1788977046133280989807652240109049906867311
• The square root of 121395220817871 is 11017949.9371648535
• The cube root of 121395220817871 is 49514.6670569691

Scales and comparisons

• 121,395,220,817,871 seconds is equal to 3,859,992 years, 27 weeks, 23 hours, 37 minutes, 51 seconds.
• To count from 1 to 121,395,220,817,871 would take you about nine million, six hundred forty-nine thousand, nine hundred eighty-one 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 121395220817871 cubic inches would be around 4126.2 feet tall.

Recreational maths with 121395220817871

• 121395220817871 backwards is 178718022593121
• 121395220817871 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 121395220817871's digits is 57
• More coming soon!