644442050199050640

Names of 644442050199050640

• Cardinal: 644442050199050640 can be written as Six hundred forty-four quadrillion, four hundred forty-two trillion, fifty billion, one hundred ninety-nine million, fifty thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.4444205019905064 × 10¹⁷

Factors of 644442050199050640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1034142

Divisors of 644442050199050640

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 36 40 45 48 54 60 62 72 80 81 90 93 108 120 124 135 144 155 162 180 186 216 240 243 248 270 279 310 324 360 372 405 432 465 486 496 540 558 620 648 720 744 810 837 930 972 1080 1116 1215 1240 1296 1395 1488 1620 1674 1860 1944 2160 2232 2430 2480 2511 2790 3240 3348 3720 3888 4185 4464 4860 5022 5580 6480 6696 7440 7533 8370 9720 10044 11160 12555 13392 15066 16740 19440 20088 22320 25110 30132 33480 37665 40176 50220 60264 66960 75330 100440 120528 150660 200880 301320 602640 1034101 2068202 3102303 4136404 5170505 6204606 8272808 9306909 10341010 12409212 15511515 16545616 18613818 20682020 24818424 27920727 31023030 32057131 37227636 41364040 46534545 49636848 55841454 62046060 64114262 74455272 82728080 83762181 93069090 96171393 111682908 124092120 128228524 139603635 148910544 160285655 167524362 186138180 192342786 223365816 248184240 251286543 256457048 279207270 288514179 320571310 335048724 372276360 384685572 418810905 446731632 480856965 502573086 512914096 558414540 577028358 641142620 670097448 744552720 769371144 837621810 865542537 961713930 1005146172 1116829080 1154056716 1256432715 1282285240 1340194896 1442570895 1538742288 1675243620 1731085074 1923427860 2010292344 2233658160 2308113432 2512865430 2564570480 2596627611 2885141790 3350487240 3462170148 3846855720 4020584688 4327712685 4616226864 5025730860 5193255222 5770283580 6700974480 6924340296 7693711440 7789882833 8655425370 10051461720 10386510444 11540567160 12983138055 13848680592 15579765666 17310850740 20102923440 20773020888 23081134320 25966276110 31159531332 34621701480 38949414165 41546041776 51932552220 62319062664 69243402960 77898828330 103865104440 124638125328 155797656660 207730208880 311595313320 623190626640 1069364878201 2138729756402 3208094634603 4277459512804 5346824391005 6416189269206 8554919025608 9624283903809 10693648782010 12832378538412 16040473173015 17109838051216 19248567807618 21387297564020 25664757076824 28872851711427 32080946346030 33150311224231 38497135615236 42774595128040 48121419519045 51329514153648 57745703422854 64161892692060 66300622448462 76994271230472 85549190256080 86618555134281 96242839038090 99450933672693 115491406845708 128323785384120 132601244896924 144364258557135 153988542460944 165751556121155 173237110268562 192485678076180 198901867345386 230982813691416 256647570768240 259855665402843 265202489793848 288728517114270 298352801018079 331503112242310 346474220537124 384971356152360 397803734690772 433092775671405 461965627382832 497254668363465 519711330805686 530404979587696 577457034228540 596705602036158 663006224484620 692948441074248 769942712304720 795607469381544 866185551342810 895058403054237 994509336726930 1039422661611372 1154914068457080 1193411204072316 1299278327014215 1326012448969240 1385896882148496 1491764005090395 1591214938763088 1732371102685620 1790116806108474 1989018673453860 2078845323222744 2309828136914160 2386822408144632 2598556654028430 2652024897938480 2685175209162711 2983528010180790 3464742205371240 3580233612216948 3978037346907720 4157690646445488 4475292015271185 4773644816289264 5197113308056860 5370350418325422 5967056020361580 6929484410742480 7160467224433896 7956074693815440 8055525627488133 8950584030542370 10394226616113720 10740700836650844 11934112040723160 13425876045813555 14320934448867792 16111051254976266 17901168061084740 20788453232227440 21481401673301688 23868224081446320 26851752091627110 32222102509952532 35802336122169480 40277628137440665 42962803346603376 53703504183254220 64444205019905064 71604672244338960 80555256274881330 107407008366508440 128888410039810128 161110512549762660 214814016733016880 322221025099525320 644442050199050640
• Sum of all divisors σ(n): 2316811191249993984
• Sum of proper divisors (its aliquot sum) s(n): 1672369141050943344
• 644442050199050640 is an abundant number, because the sum of its proper divisors (1672369141050943344) is greater than itself. Its abundance is 1027927090851892704

Bases of 644442050199050640

• Binary: 100011110001100001001010000101011000011100000101100110010000₂
• Hexadecimal: 0x8F184A158705990
• Base-36: 4W9FN2T3UX00

Squares and roots of 644442050199050640

• 644442050199050640 squared (644442050199050640²) is 415305556064755705030445157284409600
• 644442050199050640 cubed (644442050199050640³) is 267640364009427936029260894102898683706042392902144000
• The square root of 644442050199050640 is 802771480.6836691803
• The cube root of 644442050199050640 is 863763.0532906501

Scales and comparisons

• 644,442,050,199,050,640 seconds is equal to 20,491,263,806 years, 9 weeks, 4 days, 23 hours, 24 minutes.
• To count from 1 to 644,442,050,199,050,640 would take you about sixty-one billion, four hundred seventy-three million, seven hundred ninety-one thousand, four hundred eighteen 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 644442050199050640 cubic inches would be around 71980.3 feet tall.

Recreational maths with 644442050199050640

• 644442050199050640 backwards is 046050991050244446
• The number of decimal digits it has is: 18
• The sum of 644442050199050640's digits is 63
• More coming soon!