1389957540

Names of 1389957540

• Cardinal: 1389957540 can be written as One billion, three hundred eighty-nine million, nine hundred fifty-seven thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.38995754 × 10⁹

Factors of 1389957540

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1160

Divisors of 1389957540

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 30 31 37 38 57 60 62 74 76 93 95 111 114 124 148 155 185 186 190 222 228 285 310 370 372 380 444 465 555 570 589 620 703 740 930 1063 1110 1140 1147 1178 1406 1767 1860 2109 2126 2220 2294 2356 2812 2945 3189 3441 3515 3534 4218 4252 4588 5315 5735 5890 6378 6882 7030 7068 8436 8835 10545 10630 11470 11780 12756 13764 14060 15945 17205 17670 20197 21090 21260 21793 22940 31890 32953 34410 35340 39331 40394 42180 43586 60591 63780 65379 65906 68820 78662 80788 87172 98859 100985 108965 117993 121182 130758 131812 157324 164765 196655 197718 201970 217930 235986 242364 261516 302955 326895 329530 393310 395436 403940 435860 471972 494295 589965 605910 626107 653790 659060 747289 786620 988590 1179930 1211820 1219261 1252214 1307580 1494578 1878321 1977180 2241867 2359860 2438522 2504428 2989156 3130535 3657783 3736445 3756642 4483734 4877044 6096305 6261070 7315566 7472890 7513284 8967468 9391605 11209335 12192610 12522140 14631132 14945780 18288915 18783210 22418670 23165959 24385220 36577830 37566420 44837340 46331918 69497877 73155660 92663836 115829795 138995754 231659590 277991508 347489385 463319180 694978770 1389957540
• Sum of all divisors σ(n): 4347248640
• Sum of proper divisors (its aliquot sum) s(n): 2957291100
• 1389957540 is an abundant number, because the sum of its proper divisors (2957291100) is greater than itself. Its abundance is 1567333560

Bases of 1389957540

• Binary: 1010010110110010001000110100100₂
• Hexadecimal: 0x52D911A4
• Base-36: MZJM3O

Squares and roots of 1389957540

• 1389957540 squared (1389957540²) is 1931981963002851600
• 1389957540 cubed (1389957540³) is 2685372896619814622921064000
• The square root of 1389957540 is 37282.1343273155
• The cube root of 1389957540 is 1116.0076662157

Scales and comparisons

• 1,389,957,540 seconds is equal to 44 years, 10 weeks, 1 day, 11 hours, 19 minutes.
• To count from 1 to 1,389,957,540 would take you about eighty-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 1389957540 cubic inches would be around 93 feet tall.

Recreational maths with 1389957540

• 1389957540 backwards is 0457599831
• The number of decimal digits it has is: 10
• The sum of 1389957540's digits is 51
• More coming soon!