155389091044

Names of 155389091044

• Cardinal: 155389091044 can be written as One hundred fifty-five billion, three hundred eighty-nine million, ninety-one thousand and forty-four.

Scientific notation

• Scientific notation: 1.55389091044 × 10¹¹

Factors of 155389091044

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 295

Divisors of 155389091044

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 11 22 31 44 62 121 124 242 251 341 484 502 682 961 1004 1331 1364 1922 2662 2761 3751 3844 5324 5522 7502 7781 10571 11044 14641 15004 15562 21142 29282 30371 31124 41261 42284 58564 60742 82522 85591 116281 121484 161051 165044 171182 232562 241211 322102 334081 342364 453871 465124 482422 644204 668162 907742 941501 964844 1279091 1336324 1815484 1883002 2558182 2653321 3674891 3766004 4992581 5116364 5306642 7349782 9985162 10356511 10613284 14070001 14699564 19970324 20713022 28140002 29186531 40423801 41426044 56280004 58373062 80847602 113921621 116746124 154770011 161695204 227843242 309540022 321051841 455686484 619080044 642103682 1253137831 1284207364 2506275662 3531570251 5012551324 7063140502 14126281004 38847272761 77694545522 155389091044
• Sum of all divisors σ(n): 310315661712
• Sum of proper divisors (its aliquot sum) s(n): 154926570668
• 155389091044 is a deficient number, because the sum of its proper divisors (154926570668) is less than itself. Its deficiency is 462520376

Bases of 155389091044

• Binary: 10010000101101111010010101110011100100₂
• Hexadecimal: 0x242DE95CE4
• Base-36: 1ZDUNI04

Squares and roots of 155389091044

• 155389091044 squared (155389091044²) is 24145769615480521009936
• 155389091044 cubed (155389091044³) is 3751989193107351551021499932613184
• The square root of 155389091044 is 394194.2300998329
• The cube root of 155389091044 is 5376.1763833693

Scales and comparisons

• 155,389,091,044 seconds is equal to 4,940 years, 46 weeks, 2 days, 20 hours, 24 minutes, 4 seconds.
• To count from 1 to 155,389,091,044 would take you about nine thousand, eight 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 155389091044 cubic inches would be around 448 feet tall.

Recreational maths with 155389091044

• 155389091044 backwards is 440190983551
• The number of decimal digits it has is: 12
• The sum of 155389091044's digits is 49
• More coming soon!