1997448721698816

Names of 1997448721698816

• Cardinal: 1997448721698816 can be written as One quadrillion, nine hundred ninety-seven trillion, four hundred forty-eight billion, seven hundred twenty-one million, six hundred ninety-eight thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.997448721698816 × 10¹⁵

Factors of 1997448721698816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 8393

Divisors of 1997448721698816

• Number of divisors d(n): 624
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 64 72 96 122 128 144 149 183 192 244 256 288 298 366 384 447 488 512 549 576 596 732 768 809 894 976 1024 1098 1152 1192 1341 1464 1536 1618 1788 1952 2048 2196 2304 2384 2427 2682 2928 3072 3236 3576 3904 4096 4392 4608 4768 4854 5364 5856 6144 6472 7152 7281 7369 7808 8784 9089 9216 9536 9708 10728 11712 12288 12944 14304 14562 14738 15616 17568 18178 18432 19072 19416 21456 22107 23424 25888 27267 28608 29124 29476 31232 35136 36356 36864 38144 38832 42912 44214 46848 49349 51776 54534 57216 58248 58952 62464 66321 70272 72712 76288 77664 81801 85824 88428 93696 98698 103552 109068 114432 116496 117904 120541 124928 132642 140544 145424 148047 152576 155328 163602 171648 176856 187392 197396 207104 218136 228864 232992 235808 241082 249856 265284 281088 290848 296094 305152 310656 327204 343296 353712 361623 374784 394792 414208 436272 444141 449509 457728 465984 471616 482164 530568 562176 581696 592188 610304 621312 654408 686592 707424 723246 749568 789584 828416 872544 888282 899018 915456 931968 943232 964328 1061136 1084869 1097981 1124352 1163392 1184376 1242624 1308816 1348527 1373184 1414848 1446492 1579168 1656832 1745088 1776564 1798036 1830912 1863936 1886464 1928656 2122272 2169738 2195962 2248704 2326784 2368752 2485248 2617632 2697054 2746368 2829696 2892984 3158336 3293943 3313664 3490176 3553128 3596072 3727872 3772928 3857312 4045581 4244544 4339476 4391924 4653568 4737504 4970496 5235264 5394108 5492736 5659392 5785968 5961521 6316672 6587886 6980352 7106256 7192144 7353001 7455744 7545856 7714624 8091162 8489088 8678952 8783848 9307136 9475008 9881829 9940992 10470528 10788216 11318784 11571936 11923042 12633344 13175772 13960704 14212512 14384288 14706002 14911488 15091712 15429248 16182324 16978176 17357904 17567696 17884563 18614272 18950016 19763658 20941056 21576432 22059003 22637568 23143872 23846084 25266688 26351544 27921408 28425024 28768576 29412004 29822976 30183424 30858496 32364648 33956352 34715808 35135392 35769126 37228544 37900032 39527316 41882112 43152864 44118006 45275136 46287744 47692168 50533376 52703088 53653689 55842816 56850048 57537152 58824008 61716992 64729296 66177009 66976841 67912704 69431616 70270784 71538252 75800064 79054632 83764224 86305728 88236012 90550272 92575488 95384336 101066752 105406176 107307378 111685632 113700096 115074304 117648016 123433984 129458592 132354018 133953682 135825408 138863232 140541568 143076504 151600128 158109264 167528448 172611456 176472024 185150976 190768672 200930523 202133504 210812352 214614756 227400192 230148608 235296032 246867968 258917184 264708036 267907364 271650816 277726464 281083136 286153008 303200256 316218528 335056896 345222912 352944048 363652781 370301952 381537344 401861046 421624704 429229512 454800384 460297216 470592064 493735936 517834368 529416072 535814728 555452928 562166272 572306016 602791569 606400512 632437056 690445824 705888096 727305562 740603904 763074688 803722092 843249408 858459024 888266629 909600768 920594432 941184128 1035668736 1058832144 1071629456 1090958343 1110905856 1124332544 1144612032 1205583138 1264874112 1380891648 1411776192 1454611124 1481207808 1526149376 1607444184 1686498816 1716918048 1776533258 1819201536 1841188864 1882368256 2071337472 2117664288 2143258912 2181916686 2221811712 2248665088 2289224064 2411166276 2529748224 2664799887 2761783296 2823552384 2909222248 3052298752 3214888368 3272875029 3372997632 3433836096 3553066516 3764736512 4142674944 4235328576 4286517824 4363833372 4443623424 4497330176 4578448128 4822332552 5059496448 5329599774 5523566592 5647104768 5818444496 6104597504 6429776736 6545750058 6745995264 6867672192 7106133032 7529473024 7994399661 8285349888 8470657152 8573035648 8727666744 9156896256 9644665104 10118992896 10659199548 11294209536 11636888992 12209195008 12859553472 13091500116 13491990528 13735344384 14212266064 15058946048 15988799322 16570699776 16941314304 17146071296 17455333488 18313792512 19289330208 20237985792 21318399096 22588419072 23273777984 24418390016 25719106944 26183000232 27470688768 28424532128 30117892096 31977598644 33882628608 34292142592 34910666976 36627585024 38578660416 40475971584 42636798192 45176838144 46547555968 51438213888 52366000464 54184264369 54941377536 56849064256 63955197288 67765257216 68584285184 69821333952 73255170048 77157320832 85273596384 90353676288 93095111936 102876427776 104732000928 108368528738 109882755072 113698128512 127910394576 135530514432 137168570368 139642667904 154314641664 162552793107 170547192768 186190223872 205752855552 209464001856 216737057476 219765510144 227396257024 255820789152 271061028864 274337140736 279285335808 308629283328 325105586214 341094385536 372380447744 411505711104 418928003712 433474114952 454792514048 487658379321 511641578304 558570671616 617258566656 650211172428 682188771072 744760895488 823011422208 837856007424 866948229904 909585028096 975316758642 1023283156608 1117141343232 1234517133312 1300422344856 1364377542144 1489521790976 1675712014848 1733896459808 1819170056192 1950633517284 2046566313216 2234282686464 2469034266624 2600844689712 2728755084288 3351424029696 3467792919616 3638340112384 3901267034568 4093132626432 4468565372928 5201689379424 5457510168576 6702848059392 6935585839232 7802534069136 8186265252864 10403378758848 10915020337152 13405696118784 13871171678464 15605068138272 16372530505728 20806757517696 27742343356928 31210136276544 32745061011456 41613515035392 55484686713856 62420272553088 83227030070784 110969373427712 124840545106176 166454060141568 221938746855424 249681090212352 332908120283136 499362180424704 665816240566272 998724360849408 1997448721698816
• Sum of all divisors σ(n): 5911745555430000
• Sum of proper divisors (its aliquot sum) s(n): 3914296833731184
• 1997448721698816 is an abundant number, because the sum of its proper divisors (3914296833731184) is greater than itself. Its abundance is 1916848112032368

Bases of 1997448721698816

• Binary: 111000110001010101101000101100000111001000000000000₂
• Hexadecimal: 0x718AB45839000
• Base-36: JO1B9WAV40

Squares and roots of 1997448721698816

• 1997448721698816 squared (1997448721698816²) is 3989801395816234092317015801856
• 1997448721698816 cubed (1997448721698816³) is 7969423697905288590953936583410664340765802496
• The square root of 1997448721698816 is 44692826.2890009675
• The cube root of 1997448721698816 is 125938.5087059203

Scales and comparisons

• 1,997,448,721,698,816 seconds is equal to 63,512,690 years, 43 weeks, 3 days, 2 hours, 33 minutes, 36 seconds.
• To count from 1 to 1,997,448,721,698,816 would take you about one hundred ninety million, five hundred thirty-eight thousand and seventy-two 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 1997448721698816 cubic inches would be around 10494.9 feet tall.

Recreational maths with 1997448721698816

• 1997448721698816 backwards is 6188961278447991
• The number of decimal digits it has is: 16
• The sum of 1997448721698816's digits is 90
• More coming soon!