20990917785600

Names of 20990917785600

• Cardinal: 20990917785600 can be written as Twenty trillion, nine hundred ninety billion, nine hundred seventeen million, seven hundred eighty-five thousand, six hundred.

Scientific notation

• Scientific notation: 2.09909177856 × 10¹³

Factors of 20990917785600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 2568

Divisors of 20990917785600

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 28 30 32 35 36 40 42 45 48 50 56 60 63 64 70 72 75 80 84 90 96 100 105 112 120 126 128 140 144 150 160 168 175 180 192 200 210 224 225 240 252 256 280 288 300 315 320 336 350 360 384 400 420 448 450 480 504 512 525 560 576 600 630 640 672 700 720 768 800 840 896 900 960 1008 1024 1050 1120 1152 1200 1260 1280 1344 1400 1440 1536 1575 1600 1680 1792 1800 1920 2016 2048 2100 2240 2304 2400 2520 2551 2560 2688 2800 2880 3072 3150 3200 3360 3584 3600 3840 4032 4200 4480 4608 4800 5040 5102 5120 5376 5600 5760 6144 6300 6400 6720 7168 7200 7653 7680 8064 8400 8960 9216 9600 10080 10204 10240 10752 11200 11520 12600 12755 12800 13440 14336 14400 15306 15360 16128 16800 17857 17920 18432 19200 20160 20408 21504 22400 22959 23040 25200 25510 25600 26880 28800 30612 30720 32256 33600 35714 35840 38265 38400 40320 40816 43008 44800 45918 46080 50400 51020 51200 53571 53760 57600 61224 63775 64512 67200 71428 71680 76530 76800 80640 81632 89285 89600 91836 92160 100800 102040 107142 107520 114795 115200 122448 127550 129024 134400 142856 153060 153600 160713 161280 163264 178570 179200 183672 191325 201600 204080 214284 215040 229590 230400 244896 255100 267855 268800 285712 306120 321426 322560 326528 357140 358400 367344 382650 403200 408160 428568 446425 459180 460800 489792 510200 535710 537600 571424 573975 612240 642852 645120 653056 714280 734688 765300 803565 806400 816320 857136 892850 918360 979584 1020400 1071420 1075200 1142848 1147950 1224480 1285704 1306112 1339275 1428560 1469376 1530600 1607130 1612800 1632640 1714272 1785700 1836720 1959168 2040800 2142840 2285696 2295900 2448960 2571408 2612224 2678550 2857120 2938752 3061200 3214260 3225600 3265280 3428544 3571400 3673440 3918336 4017825 4081600 4285680 4571392 4591800 4897920 5142816 5224448 5357100 5714240 5877504 6122400 6428520 6507601 6530560 6857088 7142800 7346880 7836672 8035650 8163200 8571360 9142784 9183600 9795840 10285632 10714200 11428480 11755008 12244800 12857040 13015202 13061120 13714176 14285600 14693760 15673344 16071300 16326400 17142720 18285568 18367200 19522803 19591680 20571264 21428400 22856960 23510016 24489600 25714080 26030404 26122240 27428352 28571200 29387520 32142600 32538005 32652800 34285440 36571136 36734400 39045606 39183360 41142528 42856800 45553207 45713920 47020032 48979200 51428160 52060808 54856704 57142400 58568409 58775040 64285200 65076010 65305600 68570880 73468800 78091212 78366720 82285056 85713600 91106414 91427840 97614015 97958400 102856320 104121616 109713408 114284800 117136818 117550080 128570400 130152020 130611200 136659621 137141760 146937600 156182424 162690025 164570112 171427200 182212828 182855680 195228030 195916800 205712640 208243232 227766035 228569600 234273636 235100160 257140800 260304040 273319242 274283520 292842045 293875200 312364848 325380050 329140224 342854400 364425656 390456060 391833600 409978863 411425280 416486464 455532070 457139200 468547272 488070075 514281600 520608080 546638484 548567040 585684090 587750400 624729696 650760100 683298105 685708800 728851312 780912120 819957726 822850560 832972928 911064140 914278400 937094544 976140150 1028563200 1041216160 1093276968 1138830175 1171368180 1175500800 1249459392 1301520200 1366596210 1371417600 1457702624 1464210225 1561824240 1639915452 1645701120 1665945856 1822128280 1874189088 1952280300 2049894315 2057126400 2082432320 2186553936 2277660350 2342736360 2498918784 2603040400 2733192420 2742835200 2915405248 2928420450 3123648480 3279830904 3331891712 3416490525 3644256560 3748378176 3904560600 4099788630 4114252800 4164864640 4373107872 4555320700 4685472720 4997837568 5206080800 5466384840 5830810496 5856840900 6247296960 6559661808 6663783424 6832981050 7288513120 7496756352 7809121200 8199577260 8228505600 8329729280 8746215744 9110641400 9370945440 9995675136 10249471575 10412161600 10932769680 11661620992 11713681800 12494593920 13119323616 13327566848 13665962100 14577026240 14993512704 15618242400 16399154520 16659458560 17492431488 18221282800 18741890880 19991350272 20498943150 20824323200 21865539360 23323241984 23427363600 24989187840 26238647232 27331924200 29154052480 29987025408 31236484800 32798309040 33318917120 34984862976 36442565600 37483781760 39982700544 40997886300 41648646400 43731078720 46646483968 46854727200 49978375680 52477294464 54663848400 58308104960 59974050816 62472969600 65596618080 66637834240 69969725952 72885131200 74967563520 81995772600 83297292800 87462157440 93292967936 93709454400 99956751360 104954588928 109327696800 116616209920 119948101632 124945939200 131193236160 139939451904 145770262400 149935127040 163991545200 166594585600 174924314880 187418908800 199913502720 209909177856 218655393600 233232419840 249891878400 262386472320 279878903808 291540524800 299870254080 327983090400 333189171200 349848629760 374837817600 419818355712 437310787200 466464839680 499783756800 524772944640 583081049600 599740508160 655966180800 699697259520 749675635200 839636711424 874621574400 999567513600 1049545889280 1166162099200 1311932361600 1399394519040 1499351270400 1749243148800 2099091778560 2332324198400 2623864723200 2998702540800 3498486297600 4198183557120 5247729446400 6996972595200 10495458892800 20990917785600
• Sum of all divisors σ(n): 85948862748840
• Sum of proper divisors (its aliquot sum) s(n): 64957944963240
• 20990917785600 is an abundant number, because the sum of its proper divisors (64957944963240) is greater than itself. Its abundance is 43967027177640

Bases of 20990917785600

• Binary: 100110001011101010100001100101011100000000000₂
• Hexadecimal: 0x13175432B800
• Base-36: 7FV3EHA80

Squares and roots of 20990917785600

• 20990917785600 squared (20990917785600²) is 440618629481818407567360000
• 20990917785600 cubed (20990917785600³) is 9248989426256598523235166654038016000000
• The square root of 20990917785600 is 4581584.6369569557
• The cube root of 20990917785600 is 27585.2638663441

Scales and comparisons

• 20,990,917,785,600 seconds is equal to 667,446 years, 13 weeks, 2 days, 8 hours.
• To count from 1 to 20,990,917,785,600 would take you about one million, six hundred sixty-eight thousand, six hundred fifteen 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 20990917785600 cubic inches would be around 2298.8 feet tall.

Recreational maths with 20990917785600

• 20990917785600 backwards is 00658771909902
• 20990917785600 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20990917785600's digits is 63
• More coming soon!