20987970372864

Names of 20987970372864

• Cardinal: 20987970372864 can be written as Twenty trillion, nine hundred eighty-seven billion, nine hundred seventy million, three hundred seventy-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.0987970372864 × 10¹³

Factors of 20987970372864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 8354

Divisors of 20987970372864

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 88 96 99 108 128 132 144 162 176 192 198 216 243 256 264 288 297 324 352 384 396 431 432 486 528 576 594 648 704 729 768 792 862 864 891 972 1056 1152 1188 1293 1296 1408 1458 1584 1724 1728 1782 1944 2112 2187 2304 2376 2586 2592 2673 2816 2916 3168 3448 3456 3564 3879 3888 4224 4374 4741 4752 5172 5184 5346 5832 6336 6896 6912 7128 7758 7776 7907 8019 8448 8748 9482 9504 10344 10368 10692 11637 11664 12672 13792 14223 14256 15516 15552 15814 16038 17496 18964 19008 20688 20736 21384 23274 23328 23721 24057 25344 27584 28446 28512 31032 31104 31628 32076 34911 34992 37928 38016 41376 42669 42768 46548 46656 47442 48114 55168 56892 57024 62064 62208 63256 64152 69822 69984 71163 75856 76032 82752 85338 85536 86977 93096 93312 94884 96228 104733 110336 113784 114048 124128 126512 128007 128304 139644 139968 142326 151712 165504 170676 171072 173954 186192 186624 189768 192456 209466 213489 227568 228096 248256 253024 256014 256608 260931 279288 279936 284652 303424 314199 331008 341352 342144 347908 372384 379536 384021 384912 418932 426978 455136 496512 506048 512028 513216 521862 558576 559872 569304 606848 628398 640467 682704 684288 695816 744768 759072 768042 769824 782793 837864 853956 910272 942597 993024 1012096 1024056 1026432 1043724 1117152 1138608 1152063 1213696 1256796 1280934 1365408 1391632 1489536 1518144 1536084 1539648 1565586 1675728 1707912 1820544 1885194 1921401 2024192 2048112 2052864 2087448 2234304 2277216 2304126 2348379 2513592 2561868 2730816 2783264 2979072 3036288 3072168 3079296 3131172 3351456 3407917 3415824 3456189 3641088 3770388 3842802 4096224 4174896 4468608 4554432 4608252 4696758 5027184 5123736 5461632 5566528 5764203 6072576 6144336 6158592 6262344 6702912 6815834 6831648 6912378 7045137 7540776 7685604 8192448 8349792 8937216 9108864 9216504 9393516 10054368 10223751 10247472 10368567 10923264 11133056 11528406 12288672 12524688 13405824 13631668 13663296 13824756 14090274 15081552 15371208 16384896 16699584 17292609 18217728 18433008 18787032 20108736 20447502 20494944 20737134 21135411 22266112 23056812 24577344 25049376 26811648 27263336 27326592 27649512 28180548 30163104 30671253 30742416 32769792 33399168 34585218 36866016 37487087 37574064 40217472 40895004 40989888 41474268 42270822 46113624 49154688 50098752 54526672 54653184 55299024 56361096 60326208 61342506 61484832 63406233 66798336 69170436 73732032 74974174 75148128 80434944 81790008 81979776 82948536 84541644 92013759 92227248 98309376 100197504 109053344 110598048 112461261 112722192 120652416 122685012 122969664 126812466 138340872 147464064 149948348 150296256 163580016 163959552 165897072 169083288 184027518 184454496 190218699 200395008 218106688 221196096 224922522 225444384 241304832 245370024 245939328 253624932 276041277 276681744 294928128 299896696 300592512 327160032 331794144 337383783 338166576 368055036 368908992 380437398 436213376 442392192 449845044 450888768 490740048 491878656 507249864 552082554 553363488 599793392 601185024 654320064 663588288 674767566 676333152 736110072 737817984 760874796 828123831 872426752 884784384 899690088 901777536 981480096 1012151349 1014499728 1104165108 1106726976 1199586784 1308640128 1327176576 1349535132 1352666304 1472220144 1475635968 1521749592 1656247662 1799380176 1803555072 1962960192 2024302698 2028999456 2208330216 2213453952 2399173568 2484371493 2617280256 2654353152 2699070264 2705332608 2944440288 3036454047 3043499184 3312495324 3598760352 3925920384 4048605396 4057998912 4416660432 4426907904 4798347136 4968742986 5398140528 5410665216 5888880576 6072908094 6086998368 6624990648 7197520704 7453114479 7851840768 8097210792 8115997824 8833320864 9109362141 9596694272 9937485972 10796281056 11777761152 12145816188 12173996736 13249981296 14395041408 14906228958 16194421584 16231995648 17666641728 18218724282 19874971944 21592562112 23555522304 24291632376 24347993472 26499962592 27328086423 28790082816 29812457916 32388843168 35333283456 36437448564 39749943888 43185124224 48583264752 48695986944 52999925184 54656172846 59624915832 64777686336 70666566912 72874897128 79499887776 81984259269 86370248448 97166529504 105999850368 109312345692 119249831664 129555372672 145749794256 158999775552 163968518538 194333059008 211999700736 218624691384 238499663328 259110745344 291499588512 317999551104 327937037076 388666118016 437249382768 476999326656 582999177024 635999102208 655874074152 777332236032 874498765536 953998653312 1165998354048 1311748148304 1748997531072 1907997306624 2331996708096 2623496296608 3497995062144 5246992593216 6995990124288 10493985186432 20987970372864
• Sum of all divisors σ(n): 68711020277760
• Sum of proper divisors (its aliquot sum) s(n): 47723049904896
• 20987970372864 is an abundant number, because the sum of its proper divisors (47723049904896) is greater than itself. Its abundance is 26735079532032

Bases of 20987970372864

• Binary: 100110001011010100100100001001100010100000000₂
• Hexadecimal: 0x1316A484C500
• Base-36: 7FTQNO000

Squares and roots of 20987970372864

• 20987970372864 squared (20987970372864²) is 440494900372217031187562496
• 20987970372864 cubed (20987970372864³) is 9245093918409770416439957155892422508544
• The square root of 20987970372864 is 4581262.9670063691
• The cube root of 20987970372864 is 27583.9726894547

Scales and comparisons

• 20,987,970,372,864 seconds is equal to 667,352 years, 27 weeks, 6 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 20,987,970,372,864 would take you about one million, six hundred sixty-eight thousand, three hundred eighty-one 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 20987970372864 cubic inches would be around 2298.7 feet tall.

Recreational maths with 20987970372864

• 20987970372864 backwards is 46827307978902
• 20987970372864 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20987970372864's digits is 72
• More coming soon!