1389739981428149820

Names of 1389739981428149820

• Cardinal: 1389739981428149820 can be written as One quintillion, three hundred eighty-nine quadrillion, seven hundred thirty-nine trillion, nine hundred eighty-one billion, four hundred twenty-eight million, one hundred forty-nine thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.38973998142814982 × 10¹⁸

Factors of 1389739981428149820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 44456002489

Divisors of 1389739981428149820

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 49 60 62 70 84 93 98 105 124 140 147 155 186 196 210 217 245 294 310 343 372 420 434 465 490 588 620 651 686 735 868 930 980 1029 1085 1302 1372 1470 1519 1715 1860 2058 2170 2401 2604 2940 3038 3255 3430 4116 4340 4557 4802 5145 6076 6510 6860 7203 7595 9114 9604 10290 10633 12005 13020 14406 15190 16807 18228 20580 21266 22785 24010 28812 30380 31899 33614 36015 42532 45570 48020 50421 53165 63798 67228 72030 74431 84035 91140 100842 106330 127596 144060 148862 159495 168070 201684 212660 223293 252105 297724 318990 336140 372155 446586 504210 521017 637980 744310 893172 1008420 1042034 1116465 1488620 1563051 2084068 2232930 2605085 3126102 4465860 5210170 6252204 7815255 10420340 15630510 31261020 44456002441 88912004882 133368007323 177824009764 222280012205 266736014646 311192017087 444560024410 533472029292 622384034174 666840036615 889120048820 933576051261 1244768068348 1333680073230 1378136075671 1555960085435 1867152102522 2178344119609 2667360146460 2756272151342 3111920170870 3734304205044 4134408227013 4356688239218 4667880256305 5512544302684 6223840341740 6535032358827 6890680378355 8268816454026 8713376478436 9335760512610 9646952529697 10891720598045 13070064717654 13781360756710 15248408837263 16537632908052 18671521025220 19293905059394 20672041135065 21783441196090 26140129435308 27562721513420 28940857589091 30496817674526 32675161794135 38587810118788 41344082270130 43566882392180 45745226511789 48234762648485 57881715178182 60993635349052 65350323588270 67528667707879 76242044186315 82688164540260 91490453023578 96469525296970 106738861860841 115763430356364 130700647176540 135057335415758 144704287945455 152484088372630 182980906047156 192939050593940 202586003123637 213477723721682 228726132558945 270114670831516 289408575890910 304968176745260 320216585582523 337643338539395 405172006247274 426955447443364 457452265117890 472700673955153 533694309304205 578817151781820 640433171165046 675286677078790 747172033025887 810344012494548 914904530235780 945401347910306 1012930015618185 1067388618608410 1280866342330092 1350573354157580 1418102021865459 1494344066051774 1601082927912615 1890802695820612 2025860031236370 2134777237216820 2241516099077661 2363503369775765 2836204043730918 2988688132103548 3202165855825230 3308904717686071 3735860165129435 4051720062472740 4483032198155322 4727006739551530 5672408087461836 6404331711650460 6617809435372142 7090510109327295 7471720330258870 8966064396310644 9454013479103060 9926714153058213 11207580495388305 13235618870744284 14181020218654590 14943440660517740 16544523588430355 19853428306116426 22415160990776610 23162333023802497 28362040437309180 33089047176860710 39706856612232852 44830321981553220 46324666047604994 49633570765291065 66178094353721420 69486999071407491 92649332095209988 99267141530582130 115811665119012485 138973998142814982 198534283061164260 231623330238024970 277947996285629964 347434995357037455 463246660476049940 694869990714074910 1389739981428149820
• Sum of all divisors σ(n): 4686223158665588736
• Sum of proper divisors (its aliquot sum) s(n): 3296483177237438916
• 1389739981428149820 is an abundant number, because the sum of its proper divisors (3296483177237438916) is greater than itself. Its abundance is 1906743195809289096

Bases of 1389739981428149820

• Binary: 1001101001001010110010010011001100011001011101100111000111100₂
• Hexadecimal: 0x13495926632ECE3C
• Base-36: AK3XPHQFBSXO

Squares and roots of 1389739981428149820

• 1389739981428149820 squared (1389739981428149820²) is 1931377215979914206607219108366032400
• 1389739981428149820 cubed (1389739981428149820³) is 2684112136266677673245848149297770480568861666174168000
• The square root of 1389739981428149820 is 1178872334.6606068437
• The cube root of 1389739981428149820 is 1115949.4366905563

Scales and comparisons

• 1,389,739,981,428,149,820 seconds is equal to 44,189,432,661 years, 21 weeks, 17 hours, 37 minutes.
• To count from 1 to 1,389,739,981,428,149,820 would take you about one hundred fifty-four billion, six hundred sixty-three million, fourteen thousand, three hundred fourteen 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 1389739981428149820 cubic inches would be around 92995.8 feet tall.

Recreational maths with 1389739981428149820

• 1389739981428149820 backwards is 0289418241899379831
• The number of decimal digits it has is: 19
• The sum of 1389739981428149820's digits is 96
• More coming soon!