168118987920

Names of 168118987920

• Cardinal: 168118987920 can be written as One hundred sixty-eight billion, one hundred eighteen million, nine hundred eighty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.6811898792 × 10¹¹

Factors of 168118987920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 45412

Divisors of 168118987920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 39 40 41 48 52 58 60 65 78 80 82 87 104 116 120 123 130 145 156 164 174 195 205 208 232 240 246 260 290 312 328 348 377 390 410 435 464 492 520 533 580 615 624 656 696 754 780 820 870 984 1040 1066 1131 1160 1189 1230 1392 1508 1560 1599 1640 1740 1885 1968 2132 2262 2320 2378 2460 2665 3016 3120 3198 3280 3480 3567 3770 4264 4524 4756 4920 5330 5655 5945 6032 6396 6960 7134 7540 7995 8528 9048 9512 9840 10660 11310 11890 12792 14268 15080 15457 15990 17835 18096 19024 21320 22620 23780 25584 28536 30160 30914 31980 35670 42640 45240 45319 46371 47560 57072 61828 63960 71340 77285 90480 90638 92742 95120 123656 127920 135957 142680 154570 181276 185484 226595 231855 247312 271914 285360 309140 362552 370968 453190 463710 543828 589147 618280 679785 725104 741936 906380 927420 1087656 1178294 1236560 1314251 1359570 1767441 1812760 1854840 1858079 2175312 2356588 2628502 2719140 2945735 3534882 3625520 3709680 3716158 3942753 4713176 5257004 5438280 5574237 5891470 6571255 7069764 7432316 7885506 8837205 9290395 9426352 10514008 10876560 11148474 11782940 13142510 14139528 14864632 15771012 17085263 17674410 18580790 19713765 21028016 22296948 23565880 24155027 26285020 27871185 28279056 29729264 31542024 34170526 35348820 37161580 39427530 44593896 47131760 48310054 51255789 52570040 53884291 55742370 63084048 68341052 70697640 72465081 74323160 78855060 85426315 89187792 96620108 102511578 105140080 107768582 111484740 120775135 136682104 141395280 144930162 148646320 157710120 161652873 170852630 193240216 205023156 215537164 222969480 241550270 256278945 269421455 273364208 289860324 315420240 323305746 341705260 362325405 386480432 410046312 431074328 445938960 483100540 512557890 538842910 579720648 646611492 683410520 700495783 724650810 808264365 820092624 862148656 966201080 1025115780 1077685820 1159441296 1293222984 1366821040 1400991566 1449301620 1616528730 1932402160 2050231560 2101487349 2155371640 2586445968 2801983132 2898603240 3233057460 3502478915 4100463120 4202974698 4310743280 5603966264 5797206480 6466114920 7004957830 8405949396 10507436745 11207932528 12932229840 14009915660 16811898792 21014873490 28019831320 33623797584 42029746980 56039662640 84059493960 168118987920
• Sum of all divisors σ(n): 594786931200
• Sum of proper divisors (its aliquot sum) s(n): 426667943280
• 168118987920 is an abundant number, because the sum of its proper divisors (426667943280) is greater than itself. Its abundance is 258548955360

Bases of 168118987920

• Binary: 10011100100100101011000010110010010000₂
• Hexadecimal: 0x2724AC2C90
• Base-36: 258DPDAO

Squares and roots of 168118987920

• 168118987920 squared (168118987920²) is 28263994099245105926400
• 168118987920 cubed (168118987920³) is 4751714082541939244359562009088000
• The square root of 168118987920 is 410023.1553461341
• The cube root of 168118987920 is 5519.1507383865

Scales and comparisons

• 168,118,987,920 seconds is equal to 5,345 years, 34 weeks, 3 days, 14 hours, 52 minutes.
• To count from 1 to 168,118,987,920 would take you about ten thousand, six hundred ninety-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 168118987920 cubic inches would be around 459.9 feet tall.

Recreational maths with 168118987920

• 168118987920 backwards is 029789811861
• 168118987920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168118987920's digits is 60
• More coming soon!