4878131940

Names of 4878131940

• Cardinal: 4878131940 can be written as Four billion, eight hundred seventy-eight million, one hundred thirty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 4.87813194 × 10⁹

Factors of 4878131940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2427

Divisors of 4878131940

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 97 99 110 121 132 165 180 194 198 220 242 291 330 363 388 396 484 485 495 582 605 660 726 873 970 990 1067 1089 1164 1210 1452 1455 1746 1815 1940 1980 2134 2178 2309 2420 2910 3201 3492 3630 4268 4356 4365 4618 5335 5445 5820 6402 6927 7260 8730 9236 9603 10670 10890 11545 11737 12804 13854 16005 17460 19206 20781 21340 21780 23090 23474 25399 27708 32010 34635 35211 38412 41562 46180 46948 48015 50798 58685 64020 69270 70422 76197 83124 96030 101596 103905 105633 117370 126995 138540 140844 152394 176055 192060 207810 211266 223973 228591 234740 253990 279389 304788 352110 380985 415620 422532 447946 457182 507980 528165 558778 671919 704220 761970 838167 895892 914364 1056330 1117556 1119865 1142955 1343838 1396945 1523940 1676334 2015757 2112660 2239730 2285910 2463703 2514501 2687676 2793890 3352668 3359595 4031514 4190835 4479460 4571820 4927406 5029002 5587780 6719190 7391109 8063028 8381670 9854812 10058004 10078785 12318515 12572505 13438380 14782218 16763340 20157570 22173327 24637030 25145010 27100733 29564436 36955545 40315140 44346654 49274060 50290020 54201466 73911090 81302199 88693308 108402932 110866635 135503665 147822180 162604398 221733270 243906597 271007330 325208796 406510995 443466540 487813194 542014660 813021990 975626388 1219532985 1626043980 2439065970 4878131940
• Sum of all divisors σ(n): 16439262840
• Sum of proper divisors (its aliquot sum) s(n): 11561130900
• 4878131940 is an abundant number, because the sum of its proper divisors (11561130900) is greater than itself. Its abundance is 6682998960

Bases of 4878131940

• Binary: 100100010110000100110001011100100₂
• Hexadecimal: 0x122C262E4
• Base-36: 28OBAP0

Squares and roots of 4878131940

• 4878131940 squared (4878131940²) is 23796171224048163600
• 4878131940 cubed (4878131940³) is 116080862897738242955505384000
• The square root of 4878131940 is 69843.6249059283
• The cube root of 4878131940 is 1695.9687573047

Scales and comparisons

• 4,878,131,940 seconds is equal to 155 years, 5 weeks, 4 days, 20 hours, 39 minutes.
• To count from 1 to 4,878,131,940 would take you about three hundred ten 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 4878131940 cubic inches would be around 141.3 feet tall.

Recreational maths with 4878131940

• 4878131940 backwards is 0491318784
• 4878131940 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 4878131940's digits is 45
• More coming soon!