155506230

Names of 155506230

• Cardinal: 155506230 can be written as One hundred fifty-five million, five hundred six thousand, two hundred thirty.

Scientific notation

• Scientific notation: 1.5550623 × 10⁸

Factors of 155506230

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 615

Divisors of 155506230

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 31 33 45 54 55 62 66 81 90 93 99 110 135 155 162 165 186 198 270 279 297 310 330 341 405 465 495 558 563 594 682 810 837 891 930 990 1023 1126 1395 1485 1674 1689 1705 1782 2046 2511 2790 2815 2970 3069 3378 3410 4185 4455 5022 5067 5115 5630 6138 6193 8370 8445 8910 9207 10134 10230 12386 12555 15201 15345 16890 17453 18414 18579 25110 25335 27621 30402 30690 30965 34906 37158 45603 46035 50670 52359 55242 55737 61930 76005 87265 91206 92070 92895 104718 111474 138105 152010 157077 167211 174530 185790 191983 228015 261795 276210 278685 314154 334422 383966 456030 471231 501633 523590 557370 575949 785385 836055 942462 959915 1003266 1151898 1413693 1570770 1672110 1727847 1919830 2356155 2508165 2827386 2879745 3455694 4712310 5016330 5183541 5759490 7068465 8639235 10367082 14136930 15550623 17278470 25917705 31101246 51835410 77753115 155506230
• Sum of all divisors σ(n): 471702528
• Sum of proper divisors (its aliquot sum) s(n): 316196298
• 155506230 is an abundant number, because the sum of its proper divisors (316196298) is greater than itself. Its abundance is 160690068

Bases of 155506230

• Binary: 1001010001001101011000110110₂
• Hexadecimal: 0x944D636
• Base-36: 2KL1DI

Squares and roots of 155506230

• 155506230 squared (155506230²) is 24182187568812900
• 155506230 cubed (155506230³) is 3760480821978959654367000
• The square root of 155506230 is 12470.2137110797
• The cube root of 155506230 is 537.7526974765

Scales and comparisons

• 155,506,230 seconds is equal to 4 years, 49 weeks, 20 hours, 10 minutes, 30 seconds.
• To count from 1 to 155,506,230 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 155506230 cubic inches would be around 44.8 feet tall.

Recreational maths with 155506230

• 155506230 backwards is 032605551
• 155506230 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 155506230's digits is 27
• More coming soon!