168721972664832

Names of 168721972664832

• Cardinal: 168721972664832 can be written as One hundred sixty-eight trillion, seven hundred twenty-one billion, nine hundred seventy-two million, six hundred sixty-four thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.68721972664832 × 10¹⁴

Factors of 168721972664832

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1841

Divisors of 168721972664832

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 61 64 72 87 96 116 122 128 144 174 183 192 232 244 256 261 288 348 366 384 464 488 512 522 549 576 653 696 732 768 841 928 976 1044 1093 1098 1152 1306 1392 1464 1536 1682 1769 1856 1952 1959 2088 2186 2196 2304 2523 2612 2784 2928 3279 3364 3538 3712 3904 3918 4176 4372 4392 4608 5046 5224 5307 5568 5856 5877 6558 6728 7076 7424 7569 7808 7836 8352 8744 8784 9837 10092 10448 10614 11136 11712 11754 13116 13456 14152 14848 15138 15616 15672 15921 16704 17488 17568 18937 19674 20184 20896 21228 22272 23424 23508 26232 26912 28304 30276 31232 31344 31697 31842 33408 34976 35136 37874 39348 39833 40368 41792 42456 44544 46848 47016 51301 52464 53824 56608 56811 60552 62688 63394 63684 66673 66816 69952 70272 75748 78696 79666 80736 83584 84912 93696 94032 95091 102602 104928 107648 113216 113622 119499 121104 125376 126788 127368 133346 133632 139904 140544 151496 153903 157392 159332 161472 167168 169824 170433 188064 190182 200019 205204 209856 215296 226432 227244 238998 242208 250752 253576 254736 266692 279808 281088 285273 302992 307806 314784 318664 322944 334336 339648 340866 358497 376128 380364 400038 410408 419712 430592 452864 454488 461709 477996 484416 501504 507152 509472 533384 549173 559616 570546 600057 605984 615612 629568 637328 645888 679296 681732 713729 716994 752256 760728 800076 820816 839424 905728 908976 919213 923418 955992 968832 1003008 1014304 1018944 1066768 1098346 1141092 1155157 1200114 1211968 1231224 1259136 1274656 1291776 1358592 1363464 1427458 1433988 1504512 1521456 1600152 1641632 1647519 1678848 1817952 1838426 1846836 1911984 1933517 1937664 2028608 2037888 2133536 2141187 2196692 2282184 2310314 2400228 2423936 2462448 2518272 2549312 2717184 2726928 2757639 2854916 2867976 3009024 3042912 3200304 3283264 3295038 3465471 3635904 3676852 3693672 3823968 3867034 3875328 4057216 4075776 4267072 4282374 4393384 4564368 4620628 4800456 4847872 4924896 4942557 5036544 5098624 5453856 5515278 5709832 5735952 5800551 6085824 6400608 6423561 6566528 6590076 6930942 7271808 7353704 7387344 7647936 7734068 8114432 8151552 8272917 8534144 8564748 8786768 9128736 9241256 9600912 9695744 9849792 9885114 10197248 10396413 10907712 11030556 11419664 11471904 11601102 12171648 12801216 12847122 13133056 13180152 13861884 14543616 14707408 14774688 15295872 15468136 16228864 16545834 17068288 17129496 17401653 17573536 18257472 18482512 19201824 19699584 19770228 20394496 20698141 20792826 21815424 22061112 22839328 22943808 23202204 24343296 25602432 25694244 26266112 26360304 27723768 29087232 29414816 29549376 30591744 30936272 33091668 33499553 34136576 34258992 34803306 35147072 36514944 36965024 38403648 39399168 39540456 41396282 41585652 43537469 43630848 44122224 45678656 45887616 46404408 48686592 51204864 51388488 52720608 55447536 56071993 58829632 59098752 61183488 61872544 62094423 66183336 66999106 68517984 69606612 70294144 73029888 73930048 76807296 78798336 79080912 82792564 83171304 87074938 87261696 88244448 91357312 91775232 92808816 100498659 102409728 102776976 105441216 110895072 112143986 117659264 118197504 123745088 124188846 130612407 132366672 133998212 137035968 139213224 140588288 146059776 147860096 153614592 158161824 165585128 166342608 168215979 174149876 176488896 182714624 183550464 185617632 186283269 200997318 205553952 210882432 221790144 224287972 235318528 236395008 247490176 248377692 261224814 264733344 267996424 274071936 278426448 281176576 295720192 301495977 307229184 316323648 331170256 332685216 336431958 348299752 352977792 365429248 371235264 372566538 391837221 401994636 411107904 421764864 443580288 448575944 470637056 494980352 496755384 504647937 522449628 529466688 535992848 548143872 556852896 591440384 600246089 602991954 632647296 662340512 665370432 672863916 696599504 705955584 742470528 745133076 783674442 803989272 822215808 843529728 887160576 897151888 989960704 993510768 1009295874 1044899256 1058933376 1071985696 1096287744 1113705792 1200492178 1205983908 1262586601 1265294592 1324681024 1330740864 1345727832 1393199008 1411911168 1484941056 1490266152 1567348884 1607978544 1644431616 1774321152 1794303776 1800738267 1987021536 2018591748 2089798512 2117866752 2143971392 2227411584 2400984356 2411967816 2525173202 2530589184 2649362048 2661481728 2691455664 2786398016 2969882112 2980532304 3134697768 3215957088 3288863232 3588607552 3601476534 3787759803 3974043072 4037183496 4179597024 4235733504 4287942784 4454823168 4801968712 4823935632 5050346404 5298724096 5322963456 5382911328 5402214801 5572796032 5961064608 6269395536 6431914176 7177215104 7202953068 7575519606 7948086144 8074366992 8359194048 8575885568 8909646336 9603937424 9647871264 10100692808 10597448192 10765822656 10804429602 11145592064 11363279409 11922129216 12538791072 12863828352 14354430208 14405906136 15151039212 15896172288 16148733984 16718388096 17151771136 19207874848 19295742528 20201385616 21531645312 21608859204 22291184128 22726558818 23844258432 25077582144 25727656704 28708860416 28811812272 30302078424 31792344576 32297467968 33436776192 36615011429 38415749696 38591485056 40402771232 43063290624 43217718408 45453117636 47688516864 50155164288 51455313408 57623624544 60604156848 64594935936 66873552384 73230022858 76831499392 77182970112 80805542464 86126581248 86435436816 90906235272 95377033728 100310328576 109845034287 115247249088 121208313696 129189871872 146460045716 153662998784 154365940224 161611084928 172870873632 181812470544 200620657152 219690068574 230494498176 242416627392 258379743744 292920091432 307325997568 323222169856 329535102861 345741747264 363624941088 439380137148 460988996352 484833254784 585840182864 646444339712 659070205722 691483494528 727249882176 878760274296 921977992704 969666509568 1171680365728 1318140411444 1382966989056 1454499764352 1757520548592 1939333019136 2343360731456 2636280822888 2765933978112 2908999528704 3515041097184 4686721462912 5272561645776 5817999057408 7030082194368 9373442925824 10545123291552 14060164388736 18746885851648 21090246583104 28120328777472 42180493166208 56240657554944 84360986332416 168721972664832
• Sum of all divisors σ(n): 513835257726648
• Sum of proper divisors (its aliquot sum) s(n): 345113285061816
• 168721972664832 is an abundant number, because the sum of its proper divisors (345113285061816) is greater than itself. Its abundance is 176391312396984

Bases of 168721972664832

• Binary: 100110010111001110100101001111110001101000000000₂
• Hexadecimal: 0x9973A53F1A00
• Base-36: 1NT1SY9340

Squares and roots of 168721972664832

• 168721972664832 squared (168721972664832²) is 28467104059912316619409588224
• 168721972664832 cubed (168721972664832³) is 4803025953043453933474784483576573086138368
• The square root of 168721972664832 is 12989302.2393364917
• The cube root of 168721972664832 is 55257.4129447169

Scales and comparisons

• 168,721,972,664,832 seconds is equal to 5,364,836 years, 43 weeks, 4 days, 13 hours, 7 minutes, 12 seconds.
• To count from 1 to 168,721,972,664,832 would take you about thirteen million, four hundred twelve thousand and ninety-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 168721972664832 cubic inches would be around 4604.8 feet tall.

Recreational maths with 168721972664832

• 168721972664832 backwards is 238466279127861
• 168721972664832 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 168721972664832's digits is 72
• More coming soon!