1385137440

Names of 1385137440

• Cardinal: 1385137440 can be written as One billion, three hundred eighty-five million, one hundred thirty-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.38513744 × 10⁹

Factors of 1385137440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 889

Divisors of 1385137440

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 41 45 48 58 60 72 80 82 87 90 96 116 120 123 144 145 160 164 174 180 205 232 240 246 261 288 290 328 348 360 369 410 435 464 480 492 522 580 615 656 696 720 738 809 820 870 928 984 1044 1160 1189 1230 1305 1312 1392 1440 1476 1618 1640 1740 1845 1968 2088 2320 2378 2427 2460 2610 2784 2952 3236 3280 3480 3567 3690 3936 4045 4176 4640 4756 4854 4920 5220 5904 5945 6472 6560 6960 7134 7281 7380 8090 8352 9512 9708 9840 10440 10701 11808 11890 12135 12944 13920 14268 14562 14760 16180 17835 19024 19416 19680 20880 21402 23461 23780 24270 25888 28536 29124 29520 32360 33169 35670 36405 38048 38832 41760 42804 46922 47560 48540 53505 57072 58248 59040 64720 66338 70383 71340 72810 77664 85608 93844 95120 97080 99507 107010 114144 116496 117305 129440 132676 140766 142680 145620 165845 171216 187688 190240 194160 199014 211149 214020 232992 234610 265352 281532 285360 291240 298521 331690 342432 351915 375376 388320 398028 422298 428040 469220 497535 530704 563064 570720 582480 597042 663380 703830 750752 796056 844596 856080 938440 961901 995070 1055745 1061408 1126128 1164960 1194084 1326760 1407660 1492605 1592112 1689192 1712160 1876880 1923802 1990140 2111490 2252256 2388168 2653520 2815320 2885703 2985210 3184224 3378384 3753760 3847604 3980280 4222980 4776336 4809505 5307040 5630640 5771406 5970420 6756768 7695208 7960560 8445960 8657109 9552672 9619010 11261280 11542812 11940840 14428515 15390416 15921120 16891920 17314218 19238020 23085624 23881680 28857030 30780832 33783840 34628436 38476040 43285545 46171248 47763360 57714060 69256872 76952080 86571090 92342496 115428120 138513744 153904160 173142180 230856240 277027488 346284360 461712480 692568720 1385137440
• Sum of all divisors σ(n): 5015228400
• Sum of proper divisors (its aliquot sum) s(n): 3630090960
• 1385137440 is an abundant number, because the sum of its proper divisors (3630090960) is greater than itself. Its abundance is 2244953520

Bases of 1385137440

• Binary: 1010010100011111000010100100000₂
• Hexadecimal: 0x528F8520
• Base-36: MWOAW0

Squares and roots of 1385137440

• 1385137440 squared (1385137440²) is 1918605727689753600
• 1385137440 cubed (1385137440³) is 2657532626021522415734784000
• The square root of 1385137440 is 37217.4346241115
• The cube root of 1385137440 is 1114.7161402789

Scales and comparisons

• 1,385,137,440 seconds is equal to 44 years, 2 weeks, 1 day, 16 hours, 24 minutes.
• To count from 1 to 1,385,137,440 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 1385137440 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385137440

• 1385137440 backwards is 0447315831
• 1385137440 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1385137440's digits is 36
• More coming soon!