1643984959941800

Names of 1643984959941800

• Cardinal: 1643984959941800 can be written as One quadrillion, six hundred forty-three trillion, nine hundred eighty-four billion, nine hundred fifty-nine million, nine hundred forty-one thousand, eight hundred.

Scientific notation

• Scientific notation: 1.6439849599418 × 10¹⁵

Factors of 1643984959941800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 304

Divisors of 1643984959941800

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 25 28 35 40 49 50 56 61 70 98 100 122 140 175 196 200 229 244 245 280 305 350 392 427 458 488 490 610 700 854 916 980 1145 1220 1225 1400 1525 1603 1708 1832 1960 2135 2290 2440 2450 2989 3050 3206 3416 4270 4580 4900 5725 5978 6100 6412 8015 8540 9160 9800 10675 11221 11450 11956 12200 12824 13969 14945 16030 17080 21350 22442 22900 23912 27938 29890 32060 40075 42700 44884 45800 52441 55876 56105 59780 64120 69845 74725 80150 85400 89768 97783 104882 111752 112210 119560 139690 149450 160300 195566 209764 224420 262205 279380 280525 298900 320600 349225 367087 391132 419528 448840 488915 524410 558760 561050 597800 684481 698450 734174 782264 977830 1048820 1122100 1311025 1368962 1396900 1468348 1835435 1955660 2097640 2244200 2444575 2569609 2622050 2737924 2793800 2936696 3198901 3422405 3670870 3911320 4889150 5139218 5244100 5475848 6397802 6844810 7341740 9177175 9778300 10278436 10488200 12008989 12795604 12848045 13689620 14683480 15994505 17112025 18354350 19556600 20556872 22392307 24017978 25591208 25696090 27379240 31989010 34224050 36708700 44784614 48035956 51392180 60044945 63978020 64240225 68448100 73417400 79972525 84062923 89569228 96071912 102784360 111961535 120089890 127956040 128480450 136896200 156746149 159945050 168125846 179138456 223923070 240179780 256960900 300224725 313492298 319890100 336251692 420314615 447846140 480359560 513921800 559807675 588440461 600449450 626984596 639780200 672503384 732548329 783730745 840629230 895692280 1119615350 1176880922 1200898900 1253969192 1465096658 1567461490 1681258460 2101573075 2239230700 2353761844 2401797800 2750058481 2930193316 2942202305 3134922980 3362516920 3662741645 3918653725 4203146150 4478461400 4707523688 5127838303 5500116962 5860386632 5884404610 6269845960 7325483290 7837307450 8406292300 10255676606 11000233924 11768809220 13750292405 14650966580 14711011525 15674614900 16812584600 18313708225 19250409367 20511353212 22000467848 23537618440 25639191515 27500584810 29301933160 29422023050 31349229800 35894868121 36627416450 38500818734 41022706424 51278383030 55001169620 58844046100 68751462025 71789736242 73254832900 77001637468 96252046835 102556766060 110002339240 117688092200 128195957575 134752865569 137502924050 143579472484 146509665800 154003274936 167753567341 179474340605 192504093670 205113532120 256391915150 269505731138 275005848100 287158944968 335507134682 358948681210 385008187340 481260234175 512783830300 539011462276 550011696200 671014269364 673764327845 717897362420 770016374680 838767836705 897371703025 962520468350 1025567660600 1078022924552 1174274971387 1342028538728 1347528655690 1435794724840 1677535673410 1794743406050 1925040936700 2348549942774 2695057311380 3355071346820 3368821639225 3589486812100 3850081873400 4193839183525 4697099885548 5390114622760 5871374856935 6710142693640 6737643278450 7178973624200 8219924799709 8387678367050 9394199771096 11742749713870 13475286556900 16439849599418 16775356734100 23485499427740 26950573113800 29356874284675 32879699198836 33550713468200 41099623998545 46970998855480 58713748569350 65759398397672 82199247997090 117427497138700 164398495994180 205498119992725 234854994277400 328796991988360 410996239985450 821992479970900 1643984959941800
• Sum of all divisors σ(n): 4539019648906710
• Sum of proper divisors (its aliquot sum) s(n): 2895034688964910
• 1643984959941800 is an abundant number, because the sum of its proper divisors (2895034688964910) is greater than itself. Its abundance is 1251049729023110

Bases of 1643984959941800

• Binary: 101110101110011001000010011100011011010110010101000₂
• Hexadecimal: 0x5D732138DACA8
• Base-36: G6QS9IPRC8

Squares and roots of 1643984959941800

• 1643984959941800 squared (1643984959941800²) is 2702686548514841750659387240000
• 1643984959941800 cubed (1643984959941800³) is 4443176037195413817740538915487534062632000000
• The square root of 1643984959941800 is 40546084.3971621999
• The cube root of 1643984959941800 is 118022.8089572429

Scales and comparisons

• 1,643,984,959,941,800 seconds is equal to 52,273,636 years, 28 weeks, 3 days, 43 minutes, 20 seconds.
• To count from 1 to 1,643,984,959,941,800 would take you about one hundred fifty-six million, eight hundred twenty thousand, nine hundred nine 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 1643984959941800 cubic inches would be around 9835.2 feet tall.

Recreational maths with 1643984959941800

• 1643984959941800 backwards is 0081499594893461
• The number of decimal digits it has is: 16
• The sum of 1643984959941800's digits is 80
• More coming soon!