155405044400

Names of 155405044400

• Cardinal: 155405044400 can be written as One hundred fifty-five billion, four hundred five million, forty-four thousand, four hundred.

Scientific notation

• Scientific notation: 1.554050444 × 10¹¹

Factors of 155405044400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 531548

Divisors of 155405044400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 34 40 43 50 68 80 85 86 100 136 170 172 200 215 272 340 344 400 425 430 680 688 731 850 860 1075 1360 1462 1700 1720 2150 2924 3400 3440 3655 4300 5848 6800 7310 8600 11696 14620 17200 18275 29240 36550 58480 73100 146200 292400 531481 1062962 2125924 2657405 4251848 5314810 8503696 9035177 10629620 13287025 18070354 21259240 22853683 26574050 36140708 42518480 45175885 45707366 53148100 72281416 90351770 91414732 106296200 114268415 144562832 180703540 182829464 212592400 225879425 228536830 361407080 365658928 388512611 451758850 457073660 571342075 722814160 777025222 903517700 914147320 1142684150 1554050444 1807035400 1828294640 1942563055 2285368300 3108100888 3614070800 3885126110 4570736600 6216201776 7770252220 9141473200 9712815275 15540504440 19425630550 31081008880 38851261100 77702522200 155405044400
• Sum of all divisors σ(n): 404517327984
• Sum of proper divisors (its aliquot sum) s(n): 249112283584
• 155405044400 is an abundant number, because the sum of its proper divisors (249112283584) is greater than itself. Its abundance is 93707239184

Bases of 155405044400

• Binary: 10010000101110110111001100101010110000₂
• Hexadecimal: 0x242EDCCAB0
• Base-36: 1ZE45FOW

Squares and roots of 155405044400

• 155405044400 squared (155405044400²) is 24150727824965971360000
• 155405044400 cubed (155405044400³) is 3753144929931152207689928384000000
• The square root of 155405044400 is 394214.4649806753
• The cube root of 155405044400 is 5376.3603626525

Scales and comparisons

• 155,405,044,400 seconds is equal to 4,941 years, 20 weeks, 5 days, 11 hours, 53 minutes, 20 seconds.
• To count from 1 to 155,405,044,400 would take you about nine thousand, eight hundred eighty-two 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 155405044400 cubic inches would be around 448 feet tall.

Recreational maths with 155405044400

• 155405044400 backwards is 004440504551
• The number of decimal digits it has is: 12
• The sum of 155405044400's digits is 32
• More coming soon!