155346431649220

Names of 155346431649220

• Cardinal: 155346431649220 can be written as One hundred fifty-five trillion, three hundred forty-six billion, four hundred thirty-one million, six hundred forty-nine thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.5534643164922 × 10¹⁴

Factors of 155346431649220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19847024

Divisors of 155346431649220

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 70 98 140 163 196 245 326 343 490 652 686 815 980 1141 1372 1630 1715 2282 2401 3260 3430 4564 4802 5705 6860 7987 9604 11410 12005 15974 22820 24010 31948 39935 48020 55909 79870 111818 159740 223636 279545 391363 559090 782726 1118180 1565452 1956815 3913630 7827260 19846847 39693694 79387388 99234235 138927929 198468470 277855858 396936940 555711716 694639645 972495503 1389279290 1944991006 2778558580 3235036061 3889982012 4862477515 6470072122 6807468521 9724955030 12940144244 13614937042 16175180305 19449910060 22645252427 27229874084 32350360610 34037342605 45290504854 47652279647 64700721220 68074685210 90581009708 95304559294 113226262135 136149370420 158516766989 190609118588 226452524270 238261398235 317033533978 452905048540 476522796470 634067067956 792583834945 953045592940 1109617368923 1585167669890 2219234737846 3170335339780 4438469475692 5548086844615 7767321582461 11096173689230 15534643164922 22192347378460 31069286329844 38836607912305 77673215824610 155346431649220
• Sum of all divisors σ(n): 382910954356224
• Sum of proper divisors (its aliquot sum) s(n): 227564522707004
• 155346431649220 is an abundant number, because the sum of its proper divisors (227564522707004) is greater than itself. Its abundance is 72218091057784

Bases of 155346431649220

• Binary: 100011010100100101101000111000000010010111000100₂
• Hexadecimal: 0x8D4968E025C4
• Base-36: 1J2D5YH7ES

Squares and roots of 155346431649220

• 155346431649220 squared (155346431649220²) is 24132513826145781289126608400
• 155346431649220 cubed (155346431649220³) is 3748899909617212235182761850601397105448000
• The square root of 155346431649220 is 12463804.8624495079
• The cube root of 155346431649220 is 53756.8435950865

Scales and comparisons

• 155,346,431,649,220 seconds is equal to 4,939,536 years, 3 days, 1 hour, 13 minutes, 40 seconds.
• To count from 1 to 155,346,431,649,220 would take you about twelve million, three hundred forty-eight thousand, eight hundred forty 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 155346431649220 cubic inches would be around 4479.7 feet tall.

Recreational maths with 155346431649220

• 155346431649220 backwards is 022946134643551
• The number of decimal digits it has is: 15
• The sum of 155346431649220's digits is 55
• More coming soon!