18129853856336400

Names of 18129853856336400

• Cardinal: 18129853856336400 can be written as Eighteen quadrillion, one hundred twenty-nine trillion, eight hundred fifty-three billion, eight hundred fifty-six million, three hundred thirty-six thousand, four hundred.

Scientific notation

• Scientific notation: 1.81298538563364 × 10¹⁶

Factors of 18129853856336400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 753790087

Divisors of 18129853856336400

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 27 30 34 36 40 45 48 50 51 54 60 68 72 75 80 85 90 100 102 108 120 131 135 136 144 150 153 170 180 200 204 216 225 240 255 262 270 272 300 306 340 360 393 400 408 425 432 450 459 510 524 540 600 612 655 675 680 720 765 786 816 850 900 918 1020 1048 1080 1179 1200 1224 1275 1310 1350 1360 1530 1572 1700 1800 1836 1965 2040 2096 2160 2227 2295 2358 2448 2550 2620 2700 3060 3144 3275 3400 3537 3600 3672 3825 3930 4080 4454 4590 4716 5100 5240 5400 5895 6120 6288 6550 6681 6800 7074 7344 7650 7860 8908 9180 9432 9825 10200 10480 10800 11135 11475 11790 12240 13100 13362 14148 15300 15720 17685 17816 18360 18864 19650 20043 20400 22270 22950 23580 26200 26724 28296 29475 30600 31440 33405 35370 35632 36720 39300 40086 44540 45900 47160 52400 53448 55675 56592 58950 60129 61200 66810 70740 78600 80172 88425 89080 91800 94320 100215 106896 111350 117900 120258 133620 141480 157200 160344 167025 176850 178160 183600 200430 222700 235800 240516 267240 282960 300645 320688 334050 353700 400860 445400 471600 481032 501075 534480 601290 668100 707400 801720 890800 962064 1002150 1202580 1336200 1414800 1503225 1603440 2004300 2405160 2672400 3006450 4008600 4810320 6012900 8017200 12025800 24051600 753789929 1507579858 2261369787 3015159716 3768949645 4522739574 6030319432 6784109361 7537899290 9045479148 11306848935 12060638864 12814428793 13568218722 15075798580 18090958296 18844748225 20352328083 22613697870 25628857586 27136437444 30151597160 33920546805 36181916592 37689496450 38443286379 40704656166 45227395740 51257715172 54272874888 56534244675 60303194320 64072143965 67841093610 75378992900 76886572758 81409312332 90454791480 98746480699 101761640415 102515430344 108545749776 113068489350 115329859137 128144287930 135682187220 150757985800 153773145516 162818624664 169602734025 180909582960 192216431895 197492961398 203523280830 205030860688 226136978700 230659718274 256288575860 271364374440 296239442097 301515971600 307546291032 320360719825 325637249328 339205468050 345989577411 384432863790 394985922796 407046561660 452273957400 461319436548 493732403495 508808202075 512577151720 542728748880 576649295685 592478884194 615092582064 640721439650 678410936100 691979154822 768865727580 789971845592 814093123320 888718326291 904547914800 922638873096 961082159475 987464806990 1017616404150 1025154303440 1153298591370 1184957768388 1281442879300 1356821872200 1383958309644 1481197210485 1537731455160 1579943691184 1628186246640 1678690171883 1729947887055 1777436652582 1845277746192 1922164318950 1974929613980 2035232808300 2306597182740 2369915536776 2468662017475 2562885758600 2666154978873 2713643744400 2767916619288 2883246478425 2962394420970 3075462910320 3357380343766 3459895774110 3554873305164 3844328637900 3949859227960 4070465616600 4443591631455 4613194365480 4739831073552 4937324034950 5036070515649 5125771517200 5332309957746 5535833238576 5766492956850 5924788841940 6714760687532 6919791548220 7109746610328 7405986052425 7688657275800 7899718455920 8140931233200 8393450859415 8649739435275 8887183262910 9226388730960 9874648069900 10072141031298 10664619915492 11532985913700 11849577683880 13330774894365 13429521375064 13839583096440 14219493220656 14811972104850 15108211546947 15377314551600 16786901718830 17299478870550 17774366525820 19749296139800 20144282062596 21329239830984 22217958157275 23065971827400 23699155367760 25180352578245 26661549788730 26859042750128 27679166192880 29623944209700 30216423093894 33573803437660 34598957741100 35548733051640 39498592279600 40288564125192 41967254297075 42658479661968 44435916314550 45324634640841 46131943654800 50360705156490 53323099577460 59247888419400 60432846187788 66653874471825 67147606875320 69197915482200 71097466103280 75541057734735 80577128250384 83934508594150 88871832629100 90649269281682 100721410312980 106646199154920 118495776838800 120865692375576 125901762891225 133307748943650 134295213750640 138395830964400 151082115469470 167869017188300 177743665258200 181298538563364 201442820625960 213292398309840 226623173204205 241731384751152 251803525782450 266615497887300 302164230938940 335738034376600 355487330516400 362597077126728 377705288673675 402885641251920 453246346408410 503607051564900 533230995774600 604328461877880 671476068753200 725194154253456 755410577347350 906492692816820 1007214103129800 1066461991549200 1133115866021025 1208656923755760 1510821154694700 1812985385633640 2014428206259600 2266231732042050 3021642309389400 3625970771267280 4532463464084100 6043284618778800 9064926928168200 18129853856336400
• Sum of all divisors σ(n): 68846227344259200
• Sum of proper divisors (its aliquot sum) s(n): 50716373487922800
• 18129853856336400 is an abundant number, because the sum of its proper divisors (50716373487922800) is greater than itself. Its abundance is 32586519631586400

Bases of 18129853856336400

• Binary: 1000000011010010000000110001010111011111100101000010000₂
• Hexadecimal: 0x4069018AEFCA10
• Base-36: 4YIHVVR3VO0

Squares and roots of 18129853856336400

• 18129853856336400 squared (18129853856336400²) is 328691600852115834410429964960000
• 18129853856336400 cubed (18129853856336400³) is 5959130687254117000771242953543669525972544000000
• The square root of 18129853856336400 is 134647145.7415135851
• The cube root of 18129853856336400 is 262702.8399555111

Scales and comparisons

• 18,129,853,856,336,400 seconds is equal to 576,473,273 years, 16 weeks, 1 day, 9 hours.
• To count from 1 to 18,129,853,856,336,400 would take you about one billion, seven hundred twenty-nine million, four hundred nineteen thousand, eight hundred nineteen 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 18129853856336400 cubic inches would be around 21891.9 feet tall.

Recreational maths with 18129853856336400

• 18129853856336400 backwards is 00463365835892181
• 18129853856336400 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18129853856336400's digits is 72
• More coming soon!