155485330

Names of 155485330

• Cardinal: 155485330 can be written as One hundred fifty-five million, four hundred eighty-five thousand, three hundred thirty.

Scientific notation

• Scientific notation: 1.5548533 × 10⁸

Factors of 155485330

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 355

Divisors of 155485330

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 11 13 14 22 26 35 49 55 65 70 77 91 98 110 130 143 154 182 245 286 317 343 385 455 490 539 634 637 686 715 770 910 1001 1078 1274 1430 1585 1715 2002 2219 2695 3170 3185 3430 3487 3773 4121 4438 4459 5005 5390 6370 6974 7007 7546 8242 8918 10010 11095 14014 15533 17435 18865 20605 22190 22295 24409 28847 31066 34870 35035 37730 41210 44590 45331 48818 49049 57694 70070 77665 90662 98098 108731 122045 144235 155330 170863 201929 217462 226655 244090 245245 288470 317317 341726 403858 453310 490490 543655 634634 854315 1009645 1087310 1196041 1413503 1586585 1708630 2019290 2221219 2392082 2827006 3173170 4442438 5980205 7067515 11106095 11960410 14135030 15548533 22212190 31097066 77742665 155485330
• Sum of all divisors σ(n): 384652800
• Sum of proper divisors (its aliquot sum) s(n): 229167470
• 155485330 is an abundant number, because the sum of its proper divisors (229167470) is greater than itself. Its abundance is 73682140

Bases of 155485330

• Binary: 1001010001001000010010010010₂
• Hexadecimal: 0x9448492
• Base-36: 2KKL8Y

Squares and roots of 155485330

• 155485330 squared (155485330²) is 24175687845208900
• 155485330 cubed (155485330³) is 3758964802589294735437000
• The square root of 155485330 is 12469.3756860559
• The cube root of 155485330 is 537.7286051195

Scales and comparisons

• 155,485,330 seconds is equal to 4 years, 49 weeks, 14 hours, 22 minutes, 10 seconds.
• To count from 1 to 155,485,330 would take you about 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 155485330 cubic inches would be around 44.8 feet tall.

Recreational maths with 155485330

• 155485330 backwards is 033584551
• The number of decimal digits it has is: 9
• The sum of 155485330's digits is 34
• More coming soon!