1638402862742016

Names of 1638402862742016

• Cardinal: 1638402862742016 can be written as One quadrillion, six hundred thirty-eight trillion, four hundred two billion, eight hundred sixty-two million, seven hundred forty-two thousand and sixteen.

Scientific notation

• Scientific notation: 1.638402862742016 × 10¹⁵

Factors of 1638402862742016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 10670

Divisors of 1638402862742016

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 199 224 256 294 336 384 392 398 448 512 588 597 672 768 784 796 896 1176 1194 1344 1393 1536 1568 1592 1792 2352 2388 2688 2786 3136 3184 3584 4179 4704 4776 5376 5572 6272 6368 8358 9408 9552 9751 10459 10752 11144 12544 12736 16716 18816 19104 19502 20918 22288 25088 25472 29253 31377 33432 37632 38208 39004 41836 44576 50944 58506 62754 66864 73213 75264 76416 78008 83672 89152 101888 117012 125508 133728 146426 152832 156016 167344 178304 219639 234024 251016 267456 292852 305664 312032 334688 356608 439278 468048 502032 512491 534912 585704 624064 669376 713216 878556 936096 1004064 1024982 1069824 1171408 1248128 1338752 1537473 1757112 1872192 2008128 2049964 2081341 2139648 2342816 2496256 2677504 3074946 3514224 3744384 4016256 4099928 4162682 4685632 4992512 5355008 6149892 6244023 7028448 7488768 8032512 8199856 8325364 9371264 12299784 12488046 14056896 14569387 14977536 16065024 16399712 16650728 18742528 24599568 24976092 28113792 29138774 32799424 33301456 37485056 43708161 49199136 49952184 56227584 58277548 65598848 66602912 87416322 98398272 99904368 101985709 109390681 112455168 116555096 131197696 133205824 174832644 196796544 199808736 203971418 218781362 233110192 262395392 266411648 305957127 328172043 349665288 393593088 399617472 407942836 437562724 466220384 532823296 611914254 656344086 699330576 765734767 787186176 799234944 815885672 875125448 932440768 1065646592 1223828508 1312688172 1398661152 1531469534 1598469888 1631771344 1750250896 1864881536 2297204301 2447657016 2625376344 2797322304 3062939068 3196939776 3263542688 3500501792 3729763072 4594408602 4895314032 5250752688 5360143369 5594644608 6125878136 6527085376 7001003584 7459526144 9188817204 9790628064 10501505376 10720286738 11189289216 12251756272 13054170752 14002007168 16080430107 18377634408 19581256128 21003010752 21440573476 21768745519 22378578432 24503512544 26108341504 28004014336 32160860214 36755268816 39162512256 42006021504 42881146952 43537491038 49007025088 52216683008 56008028672 64321720428 65306236557 73510537632 78325024512 84012043008 85762293904 87074982076 98014050176 128643440856 130612473114 147021075264 152381218633 156650049024 168024086016 171524587808 174149964152 196028100352 257286881712 261224946228 294042150528 304762437266 343049175616 348299928304 392056200704 457143655899 514573763424 522449892456 588084301056 609524874532 686098351232 696599856608 914287311798 1029147526848 1044899784912 1066668530431 1176168602112 1219049749064 1372196702464 1393199713216 1828574623596 2058295053696 2089799569824 2133337060862 2438099498128 2744393404928 2786399426432 3200005591293 3657149247192 4116590107392 4179599139648 4266674121724 4876198996256 5572798852864 6400011182586 7314298494384 8233180214784 8359198279296 8533348243448 9752397992512 11145597705728 12800022365172 14628596988768 16718396558592 17066696486896 19504795985024 25600044730344 29257193977536 33436793117184 34133392973792 39009591970048 51200089460688 58514387955072 68266785947584 78019183940096 102400178921376 117028775910144 136533571895168 204800357842752 234057551820288 273067143790336 409600715685504 546134287580672 819201431371008 1638402862742016
• Sum of all divisors σ(n): 5103431946280800
• Sum of proper divisors (its aliquot sum) s(n): 3465029083538784
• 1638402862742016 is an abundant number, because the sum of its proper divisors (3465029083538784) is greater than itself. Its abundance is 1826626220796768

Bases of 1638402862742016

• Binary: 101110100100001111001100100101000011111101000000000₂
• Hexadecimal: 0x5D21E64A1FA00
• Base-36: G4RJVU622O

Squares and roots of 1638402862742016

• 1638402862742016 squared (1638402862742016²) is 2684363940641233320650171744256
• 1638402862742016 cubed (1638402862742016³) is 4398069564988035781541850470236120297657860096
• The square root of 1638402862742016 is 40477189.4125816991
• The cube root of 1638402862742016 is 117889.0766181175

Scales and comparisons

• 1,638,402,862,742,016 seconds is equal to 52,096,143 years, 6 weeks, 2 days, 13 hours, 13 minutes, 36 seconds.
• To count from 1 to 1,638,402,862,742,016 would take you about one hundred fifty-six million, two hundred eighty-eight thousand, four hundred twenty-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 1638402862742016 cubic inches would be around 9824.1 feet tall.

Recreational maths with 1638402862742016

• 1638402862742016 backwards is 6102472682048361
• The number of decimal digits it has is: 16
• The sum of 1638402862742016's digits is 60
• More coming soon!