1621984478908101

Names of 1621984478908101

• Cardinal: 1621984478908101 can be written as One quadrillion, six hundred twenty-one trillion, nine hundred eighty-four billion, four hundred seventy-eight million, nine hundred eight thousand, one hundred one.

Scientific notation

• Scientific notation: 1.621984478908101 × 10¹⁵

Factors of 1621984478908101

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 582173855

Divisors of 1621984478908101

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 11 21 33 49 77 147 231 539 1617 1723 5169 12061 18953 36183 56859 84427 132671 253281 398013 928697 2786091 582172111 1746516333 4075204777 6403893221 12225614331 19211679663 28526433439 44827252547 85579300317 134481757641 313790767829 941372303487 1003082547253 3009247641759 7021577830771 11033908019783 21064733492313 33101724059349 49151044815397 77237356138481 147453134446191 231712068415443 540661492969367 1621984478908101
• Sum of all divisors σ(n): 2746026676896768
• Sum of proper divisors (its aliquot sum) s(n): 1124042197988667
• 1621984478908101 is a deficient number, because the sum of its proper divisors (1124042197988667) is less than itself. Its deficiency is 497942280919434

Bases of 1621984478908101

• Binary: 101110000110010111110110000101100100100111011000101₂
• Hexadecimal: 0x5C32FB0B24EC5
• Base-36: FYY1DSCDDX

Squares and roots of 1621984478908101

• 1621984478908101 squared (1621984478908101²) is 2630833649818783937737203426201
• 1621984478908101 cubed (1621984478908101³) is 4267171346595217728079549913069532676614554301
• The square root of 1621984478908101 is 40273868.4373391303
• The cube root of 1621984478908101 is 117493.9662852045

Scales and comparisons

• 1,621,984,478,908,101 seconds is equal to 51,574,089 years, 15 weeks, 4 days, 21 hours, 8 minutes, 21 seconds.
• To count from 1 to 1,621,984,478,908,101 would take you about one hundred fifty-four million, seven hundred twenty-two thousand, two hundred sixty-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 1621984478908101 cubic inches would be around 9791.2 feet tall.

Recreational maths with 1621984478908101

• 1621984478908101 backwards is 1018098744891261
• The number of decimal digits it has is: 16
• The sum of 1621984478908101's digits is 69
• More coming soon!