19978400310207408

Names of 19978400310207408

• Cardinal: 19978400310207408 can be written as Nineteen quadrillion, nine hundred seventy-eight trillion, four hundred billion, three hundred ten million, two hundred seven thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.9978400310207408 × 10¹⁶

Factors of 19978400310207408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 4195

Divisors of 19978400310207408

• Number of divisors d(n): 450
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 61 72 81 108 122 144 162 183 216 243 244 324 366 432 486 488 549 648 729 732 972 976 1098 1296 1458 1464 1647 1944 2187 2196 2916 2928 3294 3721 3888 4129 4374 4392 4941 5832 6561 6588 7442 8258 8748 8784 9882 11163 11664 12387 13122 13176 14823 14884 16516 17496 19683 19764 22326 24774 26244 26352 29646 29768 33032 33489 34992 37161 39366 39528 44469 44652 49548 52488 59292 59536 66064 66978 74322 78732 79056 88938 89304 99096 100467 104976 111483 118584 133407 133956 148644 157464 177876 178608 198192 200934 222966 237168 251869 266814 267912 297288 301401 314928 334449 355752 400221 401868 445932 503738 533628 535824 594576 602802 668898 711504 755607 800442 803736 891864 904203 1003347 1007476 1067256 1200663 1205604 1337796 1511214 1600884 1607472 1783728 1808406 2006694 2014952 2134512 2266821 2401326 2411208 2675592 2712609 3010041 3022428 3201768 3616812 4013388 4029904 4533642 4802652 4822416 5351184 5425218 6020082 6044856 6403536 6800463 7233624 8026776 8137827 9030123 9067284 9605304 10850436 12040164 12089712 13600926 14467248 15364009 16053552 16275654 17048641 18060246 18134568 19210608 20401389 21700872 24080328 24413481 27090369 27201852 30728018 32551308 34097282 36120492 36269136 40802778 43401744 46092027 48160656 48826962 51145923 54180738 54403704 61204167 61456036 65102616 68194564 72240984 73240443 81271107 81605556 92184054 97653924 102291846 108361476 108807408 122408334 122912072 130205232 136389128 138276081 144481968 146480886 153437769 162542214 163211112 183612501 184368108 195307848 204583692 216722952 244816668 245824144 272778256 276552162 292961772 306875538 325084428 326422224 367225002 368736216 390615696 409167384 414828243 433445904 460313307 489633336 550837503 553104324 585923544 613751076 650168856 734450004 737472432 818334768 829656486 920626614 979266672 1039967101 1101675006 1106208648 1171847088 1227502152 1244484729 1300337712 1380939921 1468900008 1652512509 1659312972 1841253228 2079934202 2203350012 2212417296 2455004304 2488969458 2761879842 2937800016 3119901303 3305025018 3318625944 3682506456 3733454187 4142819763 4159868404 4406700024 4957537527 4977938916 5523759684 6239802606 6610050036 6637251888 7365012912 7466908374 8285639526 8319736808 8813400048 9359703909 9915075054 9955877832 11047519368 11200362561 12428459289 12479605212 13220100072 14933816748 16571279052 16639473616 18719407818 19830150108 19911755664 22095038736 22400725122 24856918578 24959210424 26440200144 28079111727 29867633496 33142558104 33601087683 37285377867 37438815636 39660300216 44801450244 49713837156 49918420848 56158223454 59735266992 63437993161 66285116208 67202175366 74570755734 74877631272 79320600432 84237335181 89602900488 99427674312 100803263049 111856133601 112316446908 126875986322 134404350732 149141511468 149755262544 168474670362 179205800976 190313979483 198855348624 201606526098 223712267202 224632893816 252712005543 253751972644 268808701464 298283022936 302409789147 335568400803 336949340724 380627958966 403213052196 447424534404 449265787632 505424011086 507503945288 537617402928 570941938449 596566045872 604819578294 671136801606 673898681448 758136016629 761255917932 806426104392 894849068808 1010848022172 1015007890576 1141883876898 1209639156588 1342273603212 1347797362896 1516272033258 1522511835864 1612852208784 1712825815347 1789698137616 2021696044344 2274408049887 2283767753796 2419278313176 2684547206424 3032544066516 3045023671728 3425651630694 4043392088688 4548816099774 4567535507592 4838556626352 5138477446041 5369094412848 6065088133032 6823224149661 6851303261388 9097632199548 9135071015184 10276954892082 12130176266064 13646448299322 13702606522776 15415432338123 18195264399096 20469672448983 20553909784164 27292896598644 27405213045552 30830864676246 36390528798192 40939344897966 41107819568328 46246297014369 54585793197288 61661729352492 81878689795932 82215639136656 92492594028738 109171586394576 123323458704984 138738891043107 163757379591864 184985188057476 246646917409968 277477782086214 327514759183728 369970376114952 416216673129321 554955564172428 739940752229904 832433346258642 1109911128344856 1248650019387963 1664866692517284 2219822256689712 2497300038775926 3329733385034568 4994600077551852 6659466770069136 9989200155103704 19978400310207408
• Sum of all divisors σ(n): 59042969508472092
• Sum of proper divisors (its aliquot sum) s(n): 39064569198264684
• 19978400310207408 is an abundant number, because the sum of its proper divisors (39064569198264684) is greater than itself. Its abundance is 19086168888057276

Bases of 19978400310207408

• Binary: 1000110111110100011111111001101101010111010001110110000₂
• Hexadecimal: 0x46FA3FCDABA3B0
• Base-36: 5GPR2EDOR00

Squares and roots of 19978400310207408

• 19978400310207408 squared (19978400310207408²) is 399136478954895456203035978078464
• 19978400310207408 cubed (19978400310207408³) is 7974108354967575957051402364164097668065138061312
• The square root of 19978400310207408 is 141344969.1719072399
• The cube root of 19978400310207408 is 271344.0088297171

Scales and comparisons

• 19,978,400,310,207,408 seconds is equal to 635,251,332 years, 31 weeks, 6 days, 20 hours, 16 minutes, 48 seconds.
• To count from 1 to 19,978,400,310,207,408 would take you about one billion, nine hundred five million, seven hundred fifty-three thousand, nine hundred ninety-seven 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 19978400310207408 cubic inches would be around 22612 feet tall.

Recreational maths with 19978400310207408

• 19978400310207408 backwards is 80470201300487991
• The number of decimal digits it has is: 17
• The sum of 19978400310207408's digits is 63
• More coming soon!