81348336160

Names of 81348336160

• Cardinal: 81348336160 can be written as Eighty-one billion, three hundred forty-eight million, three hundred thirty-six thousand, one hundred sixty.

Scientific notation

• Scientific notation: 8.134833616 × 10¹⁰

Factors of 81348336160

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 261

Divisors of 81348336160

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 29 32 35 37 40 41 52 56 58 65 70 74 80 82 91 104 112 116 127 130 140 145 148 160 164 182 185 203 205 208 224 232 254 259 260 280 287 290 296 328 364 370 377 406 410 416 455 464 481 508 518 520 533 560 574 580 592 635 656 728 740 754 812 820 889 910 928 962 1015 1016 1036 1040 1066 1073 1120 1148 1160 1184 1189 1270 1295 1312 1435 1456 1480 1508 1517 1624 1640 1651 1778 1820 1885 1924 2030 2032 2072 2080 2132 2146 2296 2320 2378 2405 2540 2590 2639 2665 2870 2912 2960 3016 3034 3248 3280 3302 3367 3556 3640 3683 3731 3770 3848 4060 4064 4144 4264 4292 4445 4592 4640 4699 4756 4810 5080 5180 5207 5278 5330 5365 5740 5920 5945 6032 6068 6496 6560 6604 6734 7112 7280 7366 7462 7511 7540 7585 7696 8120 8255 8288 8323 8528 8584 8890 9184 9398 9512 9620 10160 10360 10414 10556 10619 10660 10730 11480 11557 11890 12064 12136 13195 13208 13468 13949 14224 14560 14732 14924 15022 15080 15170 15392 15457 16240 16510 16646 16835 17056 17168 17780 18415 18655 18796 19024 19240 19721 20320 20720 20828 21112 21238 21320 21460 22960 23114 23495 23780 24272 25781 26035 26390 26416 26936 27898 28448 29464 29848 30044 30160 30340 30914 32480 32893 33020 33292 33670 34336 35560 36449 36830 37310 37555 37592 38048 38480 39442 41440 41615 41656 42224 42476 42640 42920 43993 45920 46228 46990 47560 47879 48544 51562 52070 52780 52832 53095 53872 55796 57785 58928 59696 60088 60320 60680 61087 61828 65786 66040 66584 67340 67691 69745 71120 72898 73660 74620 75110 75184 76960 77285 78884 83230 83312 84448 84952 85280 85840 87986 92456 93980 95120 95758 97643 98605 103124 104140 105560 106190 107744 108199 111592 115570 117856 119392 120176 121360 122174 123656 128905 131572 132080 133168 134680 135382 136271 138047 139490 142240 145796 147320 149240 150220 150368 151003 154570 157768 164465 166460 166624 169904 171680 175972 182245 184912 187960 190240 191516 192659 195286 197210 206248 208280 211120 212380 216398 219965 223184 231140 239395 240352 242720 244348 247312 257810 263144 264160 266336 269360 270764 272542 276094 278980 291592 294640 298480 300440 302006 305435 307951 309140 315536 328930 332920 335153 338455 339808 351944 364490 369824 375920 383032 385318 390572 394420 412496 416560 422240 424760 427609 432796 439930 446368 462280 473837 478790 488215 488696 494624 515620 526288 538720 540995 541528 545084 552188 557960 571909 583184 589280 596960 600880 604012 610870 615902 618280 631072 657860 665840 670306 676910 681355 690235 703888 728980 751840 755015 766064 770636 781144 788840 824992 833120 849520 855218 865592 879860 924560 947674 953897 957580 963295 976430 977392 1031240 1052576 1057021 1081990 1083056 1090168 1104376 1115920 1143818 1166368 1201760 1208024 1221740 1231804 1236560 1315720 1331680 1340612 1348613 1353820 1362710 1380470 1407776 1457960 1510030 1532128 1539755 1541272 1562288 1577680 1675765 1699040 1710436 1731184 1759720 1771523 1849120 1895348 1907794 1915160 1926590 1952860 1954784 1963039 2062480 2114042 2138045 2163980 2166112 2180336 2208752 2231840 2287636 2369185 2416048 2443480 2463608 2473120 2504567 2631440 2681224 2697226 2707640 2725420 2760940 2859545 2915920 3020060 3079510 3082544 3124576 3155360 3351530 3420872 3462368 3519440 3543046 3790696 3815588 3830320 3853180 3905720 3926078 4003363 4124960 4228084 4276090 4327960 4360672 4417504 4575272 4738370 4769485 4832096 4886960 4927216 5009134 5262880 5285105 5362448 5394452 5415280 5450840 5521880 5587111 5719090 5831840 6040120 6159020 6165088 6703060 6743065 6841744 7038880 7086092 7581392 7631176 7660640 7706360 7811440 7852156 8006726 8456168 8552180 8655920 8857615 9150544 9476740 9538970 9773920 9815195 9854432 10018268 10570210 10724896 10788904 10830560 10901680 11043760 11174222 11438180 12080240 12318040 12400661 12522835 13406120 13486130 13683488 13741273 14172184 15162784 15262352 15412720 15622880 15704312 16013452 16912336 17104360 17311840 17531969 17715230 18301088 18953480 19077940 19630390 20016815 20036536 21140420 21577808 21803360 22087520 22348444 22876360 24160480 24636080 24801322 25045670 26812240 26972260 27482546 27935555 28344368 30524704 30825440 31408624 32026904 33824672 34208720 35063938 35430460 37906960 38155880 39109777 39260780 40033630 40073072 42280840 43155616 44696888 45752720 49272160 49602644 50091340 53624480 53944520 54965092 55871110 56688736 62003305 62817248 64053808 68417440 68706365 70127876 70860920 72632443 75813920 76311760 78219554 78521560 80067260 80146144 84561680 87659845 89393776 91505440 99205288 100182680 107889040 109930184 111742220 124006610 128107616 137412730 140255752 141721840 145264886 152623520 156439108 157043120 160134520 169123360 175319690 178787552 195548885 198410576 200365360 215778080 219860368 223484440 248013220 274825460 280511504 283443680 290529772 312878216 314086240 320269040 350639380 363162215 391097770 396821152 400730720 439720736 446968880 496026440 508427101 549650920 561023008 581059544 625756432 640538080 701278760 726324430 782195540 893937760 992052880 1016854202 1099301840 1162119088 1251512864 1402557520 1452648860 1564391080 1984105760 2033708404 2198603680 2324238176 2542135505 2805115040 2905297720 3128782160 4067416808 5084271010 5810595440 6257564320 8134833616 10168542020 11621190880 16269667232 20337084040 40674168080 81348336160
• Sum of all divisors σ(n): 259462103040
• Sum of proper divisors (its aliquot sum) s(n): 178113766880
• 81348336160 is an abundant number, because the sum of its proper divisors (178113766880) is greater than itself. Its abundance is 96765430720

Bases of 81348336160

• Binary: 1001011110000101111010001101000100000₂
• Hexadecimal: 0x12F0BD1A20
• Base-36: 11DCP5WG

Squares and roots of 81348336160

• 81348336160 squared (81348336160²) is 6617551796000363545600
• 81348336160 cubed (81348336160³) is 538326828057249317189678288896000
• The square root of 81348336160 is 285216.2971500753
• The cube root of 81348336160 is 4332.9421581935

Scales and comparisons

• 81,348,336,160 seconds is equal to 2,586 years, 32 weeks, 3 days, 16 hours, 2 minutes, 40 seconds.
• To count from 1 to 81,348,336,160 would take you about five thousand, one hundred seventy-three 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 81348336160 cubic inches would be around 361.1 feet tall.

Recreational maths with 81348336160

• 81348336160 backwards is 06163384318
• The number of decimal digits it has is: 11
• The sum of 81348336160's digits is 43
• More coming soon!