168353668920

Names of 168353668920

• Cardinal: 168353668920 can be written as One hundred sixty-eight billion, three hundred fifty-three million, six hundred sixty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.6835366892 × 10¹¹

Factors of 168353668920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1370

Divisors of 168353668920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 37 40 60 74 103 111 120 148 185 206 222 296 309 370 412 444 515 547 555 618 673 740 824 888 1030 1094 1110 1236 1346 1480 1545 1641 2019 2060 2188 2220 2472 2692 2735 3090 3282 3365 3811 4038 4120 4376 4440 5384 5470 6180 6564 6730 7622 8076 8205 10095 10940 11433 12360 13128 13460 15244 16152 16410 19055 20190 20239 21880 22866 24901 26920 30488 32820 38110 40380 40478 45732 49802 56341 57165 60717 65640 69319 74703 76220 80760 80956 91464 99604 101195 112682 114330 121434 124505 138638 149406 152440 161912 169023 199208 202390 207957 225364 228660 242868 249010 277276 281705 298812 303585 338046 346595 368131 373515 404780 415914 450728 457320 485736 498020 554552 563410 597624 607170 676092 693190 736262 747030 809560 831828 845115 996040 1039785 1104393 1126820 1214340 1352184 1386380 1472524 1494060 1663656 1690230 1840655 2079570 2084617 2208786 2253640 2428680 2564803 2772760 2945048 2988120 3380460 3681310 4159140 4169234 4417572 5129606 5521965 6253851 6760920 7362620 7694409 8318280 8338468 8835144 10259212 10423085 11043930 12507702 12824015 13620847 14725240 15388818 16676936 20518424 20846170 22087860 25015404 25648030 27241694 30777636 31269255 37917493 38472045 40862541 41692340 44175720 50030808 51296060 54483388 61555272 62538510 68104235 75834986 76944090 81725082 83384680 102592120 108966776 113752479 125077020 136208470 151669972 153888180 163450164 189587465 204312705 227504958 250154040 272416940 303339944 307776360 326900328 379174930 408625410 455009916 544833880 568762395 758349860 817250820 910019832 1137524790 1402947241 1516699720 1634501640 2275049580 2805894482 4208841723 4550099160 5611788964 7014736205 8417683446 11223577928 14029472410 16835366892 21044208615 28058944820 33670733784 42088417230 56117889640 84176834460 168353668920
• Sum of all divisors σ(n): 525484477440
• Sum of proper divisors (its aliquot sum) s(n): 357130808520
• 168353668920 is an abundant number, because the sum of its proper divisors (357130808520) is greater than itself. Its abundance is 188777139600

Bases of 168353668920

• Binary: 10011100110010101010010001111100111000₂
• Hexadecimal: 0x2732A91F38
• Base-36: 25C9FEBC

Squares and roots of 168353668920

• 168353668920 squared (168353668920²) is 28342957838824973966400
• 168353668920 cubed (168353668920³) is 4771640940211058388966924804288000
• The square root of 168353668920 is 410309.2357234967
• The cube root of 168353668920 is 5521.7176457355

Scales and comparisons

• 168,353,668,920 seconds is equal to 5,353 years, 6 weeks, 3 days, 20 hours, 2 minutes.
• To count from 1 to 168,353,668,920 would take you about ten thousand, seven hundred six 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 168353668920 cubic inches would be around 460.1 feet tall.

Recreational maths with 168353668920

• 168353668920 backwards is 029866353861
• The number of decimal digits it has is: 12
• The sum of 168353668920's digits is 57
• More coming soon!