168688679640

Names of 168688679640

• Cardinal: 168688679640 can be written as One hundred sixty-eight billion, six hundred eighty-eight million, six hundred seventy-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.6868867964 × 10¹¹

Factors of 168688679640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1303

Divisors of 168688679640

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 19 20 24 26 30 38 39 40 41 52 57 60 65 76 78 82 95 104 114 120 123 127 130 152 156 164 190 195 205 228 246 247 254 260 285 312 328 380 381 390 410 456 492 494 508 520 533 570 615 635 741 760 762 779 780 820 984 988 1016 1066 1093 1140 1230 1235 1270 1482 1524 1558 1560 1599 1640 1651 1905 1976 2132 2186 2280 2337 2413 2460 2470 2540 2665 2964 3048 3116 3198 3279 3302 3705 3810 3895 4264 4372 4674 4826 4920 4940 4953 5080 5207 5330 5465 5928 6232 6396 6558 6604 7239 7410 7620 7790 7995 8255 8744 9348 9652 9880 9906 10127 10414 10660 10930 11685 12065 12792 13116 13208 14209 14478 14820 15240 15580 15621 15990 16395 16510 18696 19304 19812 20254 20767 20828 21320 21860 23370 24130 24765 26035 26232 28418 28956 29640 30381 31160 31242 31369 31980 32790 33020 36195 39624 40508 41534 41656 42627 43720 44813 46740 48260 49530 50635 52070 56836 57912 60762 62301 62484 62738 63960 65580 66040 67691 71045 72390 78105 81016 83068 85254 89626 93480 94107 96520 98933 99060 101270 103835 104140 113672 121524 124602 124968 125476 131160 134439 135382 138811 142090 144780 151905 156210 156845 166136 170508 179252 188214 197866 198120 202540 203073 207670 208280 213135 224065 243048 249204 250952 268878 269971 270764 277622 284180 289560 296799 303810 311505 312420 313690 338455 341016 358504 376428 395732 405080 406146 415340 416433 426270 448130 470535 494665 498408 537756 539942 541528 555244 568360 582569 593598 607620 623010 624840 627380 672195 676910 694055 752856 791464 809913 812292 830680 832866 851447 852540 896260 941070 989330 1015365 1075512 1079884 1110488 1165138 1187196 1215240 1246020 1254760 1286129 1344390 1349855 1353820 1388110 1483995 1619826 1624584 1665732 1702894 1705080 1747707 1792520 1804543 1882140 1978660 2030730 2082165 2159768 2330276 2374392 2492040 2554341 2572258 2637409 2688780 2699710 2707640 2776220 2912845 2967990 3239652 3331464 3405788 3495414 3609086 3764280 3858387 3957320 4049565 4061460 4164330 4257235 4660552 5108682 5144516 5274818 5377560 5399420 5413629 5552440 5691251 5825690 5935980 6430645 6479304 6811576 6990828 7218172 7716774 7912227 8099130 8122920 8328660 8514470 8738535 9022715 10217364 10289032 10549636 10798840 10827258 11068811 11382502 11651380 11871960 12771705 12861290 13187045 13981656 14436344 15433548 15824454 16198260 16657320 17028940 17073753 17477070 18045430 19291935 20434728 21099272 21654516 22137622 22765004 23302760 25543410 25722580 26374090 27068145 28456255 30867096 31648908 32396520 33206433 34057880 34147506 34286317 34954140 36090860 38583870 39561135 43309032 44275244 45530008 51086820 51445160 52748180 54136290 55344055 56912510 63297816 66412866 68295012 68572634 69908280 72181720 73986263 77167740 79122270 85368765 88550488 102173640 102858951 105496360 108133769 108272580 110688110 113825020 132825732 136590024 137145268 147972526 154335480 158244540 166032165 170737530 171431585 205717902 216267538 216545160 221376220 221958789 227650040 265651464 274290536 295945052 316489080 324401307 332064330 341475060 342863170 369931315 411435804 432535076 442752440 443917578 514294755 540668845 591890104 648802614 664128660 682950120 685726340 739862630 822871608 865070152 887835156 1028589510 1081337690 1109793945 1297605228 1328257320 1371452680 1405738997 1479725260 1622006535 1775670312 2057179020 2162675380 2219587890 2595210456 2811477994 2959450520 3244013070 4114358040 4217216991 4325350760 4439175780 5622955988 6488026140 7028694985 8434433982 8878351560 11245911976 12976052280 14057389970 16868867964 21086084955 28114779940 33737735928 42172169910 56229559880 84344339820 168688679640
• Sum of all divisors σ(n): 592839475200
• Sum of proper divisors (its aliquot sum) s(n): 424150795560
• 168688679640 is an abundant number, because the sum of its proper divisors (424150795560) is greater than itself. Its abundance is 255462115920

Bases of 168688679640

• Binary: 10011101000110101000001111101011011000₂
• Hexadecimal: 0x2746A0FAD8
• Base-36: 25HSVU8O

Squares and roots of 168688679640

• 168688679640 squared (168688679640²) is 28455870638686550529600
• 168688679640 cubed (168688679640³) is 4800183246046677712664366737344000
• The square root of 168688679640 is 410717.2745819197
• The cube root of 168688679640 is 5525.3778153487

Scales and comparisons

• 168,688,679,640 seconds is equal to 5,363 years, 40 weeks, 3 days, 6 hours, 34 minutes.
• To count from 1 to 168,688,679,640 would take you about ten thousand, seven hundred twenty-seven 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 168688679640 cubic inches would be around 460.4 feet tall.

Recreational maths with 168688679640

• 168688679640 backwards is 046976886861
• The number of decimal digits it has is: 12
• The sum of 168688679640's digits is 69
• More coming soon!