1387291381388

Names of 1387291381388

• Cardinal: 1387291381388 can be written as One trillion, three hundred eighty-seven billion, two hundred ninety-one million, three hundred eighty-one thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 1.387291381388 × 10¹²

Factors of 1387291381388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 259

Divisors of 1387291381388

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 11 22 44 97 121 149 194 242 298 388 484 596 1067 1331 1639 2134 2662 3278 4268 5324 6556 11737 14453 14641 18029 22201 23474 28906 29282 36058 44402 46948 57812 58564 72116 88804 129107 158983 161051 198319 244211 258214 317966 322102 396638 488422 516428 635932 644204 793276 976844 1420177 1748813 2153497 2181509 2686321 2840354 3497626 4306994 4363018 5372642 5680708 6995252 8613988 8726036 10745284 15621947 19236943 23688467 23996599 29549531 31243894 38473886 47376934 47993198 59099062 62487788 76947772 94753868 95986396 118198124 211606373 260573137 325044841 423212746 521146274 650089682 846425492 1042292548 1300179364 2327670103 2866304507 3575493251 4655340206 5732609014 7150986502 9310680412 11465218028 14301973004 31529349577 63058699154 126117398308 346822845347 693645690694 1387291381388
• Sum of all divisors σ(n): 2716295036616
• Sum of proper divisors (its aliquot sum) s(n): 1329003655228
• 1387291381388 is a deficient number, because the sum of its proper divisors (1329003655228) is less than itself. Its deficiency is 58287726160

Bases of 1387291381388

• Binary: 10100001100000001000000101000111010001100₂
• Hexadecimal: 0x14301028E8C
• Base-36: HPB9GWP8

Squares and roots of 1387291381388

• 1387291381388 squared (1387291381388²) is 1924577376873425272806544
• 1387291381388 cubed (1387291381388³) is 2669949607750827631138981177446203072
• The square root of 1387291381388 is 1177833.3419410405
• The cube root of 1387291381388 is 11152.9364969411

Scales and comparisons

• 1,387,291,381,388 seconds is equal to 44,111 years, 29 weeks, 6 days, 5 hours, 3 minutes, 8 seconds.
• To count from 1 to 1,387,291,381,388 would take you about one hundred ten thousand, two hundred seventy-eight 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 1387291381388 cubic inches would be around 929.4 feet tall.

Recreational maths with 1387291381388

• 1387291381388 backwards is 8831831927831
• The number of decimal digits it has is: 13
• The sum of 1387291381388's digits is 62
• More coming soon!