155143966900

Names of 155143966900

• Cardinal: 155143966900 can be written as One hundred fifty-five billion, one hundred forty-three million, nine hundred sixty-six thousand, nine hundred.

Scientific notation

• Scientific notation: 1.551439669 × 10¹¹

Factors of 155143966900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 29407

Divisors of 155143966900

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 13 17 20 25 26 34 50 52 65 68 85 100 130 170 221 241 260 325 340 425 442 482 650 850 884 964 1105 1205 1300 1700 2210 2410 3133 4097 4420 4820 5525 6025 6266 8194 11050 12050 12532 15665 16388 20485 22100 24100 29129 31330 40970 53261 58258 62660 78325 81940 102425 106522 116516 145645 156650 204850 213044 266305 291290 313300 378677 409700 495193 532610 582580 728225 757354 990386 1065220 1331525 1456450 1514708 1893385 1980772 2475965 2663050 2912900 3786770 4951930 5326100 6437509 7020089 7573540 9466925 9903860 12379825 12875018 14040178 18933850 24759650 25750036 28080356 32187545 35100445 37867700 49519300 64375090 70200890 91261157 119341513 128750180 140401780 160937725 175502225 182522314 238683026 321875450 351004450 365044628 456305785 477366052 596707565 643750900 702008900 912611570 1193415130 1551439669 1825223140 2281528925 2386830260 2983537825 3102879338 4563057850 5967075650 6205758676 7757198345 9126115700 11934151300 15514396690 31028793380 38785991725 77571983450 155143966900
• Sum of all divisors σ(n): 385492670640
• Sum of proper divisors (its aliquot sum) s(n): 230348703740
• 155143966900 is an abundant number, because the sum of its proper divisors (230348703740) is greater than itself. Its abundance is 75204736840

Bases of 155143966900

• Binary: 10010000011111010011010001000010110100₂
• Hexadecimal: 0x241F4D10B4
• Base-36: 1Z9SPN04

Squares and roots of 155143966900

• 155143966900 squared (155143966900²) is 24069650465468295610000
• 155143966900 cubed (155143966900³) is 3734261055109182847117255309000000
• The square root of 155143966900 is 393883.1894102613
• The cube root of 155143966900 is 5373.3479475887

Scales and comparisons

• 155,143,966,900 seconds is equal to 4,933 years, 5 weeks, 18 hours, 21 minutes, 40 seconds.
• To count from 1 to 155,143,966,900 would take you about nine thousand, eight hundred sixty-six 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 155143966900 cubic inches would be around 447.8 feet tall.

Recreational maths with 155143966900

• 155143966900 backwards is 009669341551
• The number of decimal digits it has is: 12
• The sum of 155143966900's digits is 49
• More coming soon!