18172013440

Names of 18172013440

• Cardinal: 18172013440 can be written as Eighteen billion, one hundred seventy-two million, thirteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.817201344 × 10¹⁰

Factors of 18172013440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 201

Divisors of 18172013440

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 41 56 64 70 76 80 82 95 112 127 128 133 140 152 160 164 190 205 224 254 266 280 287 304 320 328 380 410 448 508 532 560 574 608 635 640 656 665 760 779 820 889 896 1016 1064 1120 1148 1216 1270 1312 1330 1435 1520 1558 1640 1681 1778 2032 2128 2240 2296 2413 2432 2540 2624 2660 2870 3040 3116 3280 3362 3556 3895 4064 4256 4445 4480 4592 4826 5080 5207 5248 5320 5453 5740 6080 6232 6560 6724 7112 7790 8128 8405 8512 8890 9184 9652 10160 10414 10640 10906 11480 11767 12065 12160 12464 13120 13448 14224 15580 16256 16810 16891 17024 17780 18368 19304 20320 20828 21280 21812 22960 23534 24130 24928 26035 26240 26896 27265 28448 31160 31939 33620 33782 35560 36449 36736 38608 40640 41656 42560 43624 45920 47068 48260 49856 52070 53792 54530 56896 58835 62320 63878 67240 67564 71120 72898 77216 81280 83312 84455 85120 87248 91840 94136 96520 98933 99712 104140 107584 109060 113792 117670 124640 127756 134480 135128 142240 145796 154432 159695 166624 168910 174496 182245 183680 188272 193040 197866 208280 213487 215168 218120 223573 235340 249280 255512 268960 270256 284480 291592 308864 319390 333248 337820 348992 364490 376544 386080 395732 416560 426974 436240 447146 470680 494665 498560 511024 537920 540512 568960 583184 638780 666496 675640 692531 697984 728980 753088 772160 791464 833120 853948 872480 894292 941360 989330 1022048 1067435 1075840 1081024 1117865 1166368 1277560 1351280 1385062 1457960 1494409 1506176 1544320 1582928 1666240 1707896 1744960 1788584 1882720 1978660 2044096 2134870 2162048 2235730 2332736 2555120 2702560 2770124 2915920 2988818 3165856 3332480 3415792 3462655 3489920 3577168 3765440 3957320 4056253 4088192 4269740 4471460 4665472 5110240 5405120 5540248 5831840 5977636 6331712 6831584 6925310 7154336 7472045 7530880 7914640 8112506 8539480 8942920 10220480 10810240 11080496 11663680 11955272 12663424 13663168 13850620 14308672 14944090 15829280 16225012 17078960 17885840 20281265 20440960 22160992 23327360 23910544 27326336 27701240 28393771 28617344 29888180 31658560 32450024 34157920 35771680 40562530 44321984 47821088 55402480 56787542 59776360 63317120 64900048 68315840 71543360 81125060 88643968 95642176 110804960 113575084 119552720 129800096 136631680 141968855 143086720 162250120 191284352 221609920 227150168 239105440 259600192 283937710 324500240 443219840 454300336 478210880 519200384 567875420 649000480 908600672 956421760 1135750840 1298000960 1817201344 2271501680 2596001920 3634402688 4543003360 9086006720 18172013440
• Sum of all divisors σ(n): 53989171200
• Sum of proper divisors (its aliquot sum) s(n): 35817157760
• 18172013440 is an abundant number, because the sum of its proper divisors (35817157760) is greater than itself. Its abundance is 17645144320

Bases of 18172013440

• Binary: 10000111011001000101110101110000000₂
• Hexadecimal: 0x43B22EB80
• Base-36: 8CJ5BB4

Squares and roots of 18172013440

• 18172013440 squared (18172013440²) is 330222072463540633600
• 18172013440 cubed (18172013440³) is 6000799938992114303765315584000
• The square root of 18172013440 is 134803.6106341369
• The cube root of 18172013440 is 2629.0631407967

Scales and comparisons

• 18,172,013,440 seconds is equal to 577 years, 42 weeks, 2 days, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 18,172,013,440 would take you about one thousand, one hundred fifty-five 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 18172013440 cubic inches would be around 219.1 feet tall.

Recreational maths with 18172013440

• 18172013440 backwards is 04431027181
• The number of decimal digits it has is: 11
• The sum of 18172013440's digits is 31
• More coming soon!