13398261240

Names of 13398261240

• Cardinal: 13398261240 can be written as Thirteen billion, three hundred ninety-eight million, two hundred sixty-one thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.339826124 × 10¹⁰

Factors of 13398261240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9818

Divisors of 13398261240

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 127 130 140 156 168 182 195 210 254 260 273 280 312 364 381 390 420 455 508 520 546 635 728 762 780 840 889 910 1016 1092 1270 1365 1524 1560 1651 1778 1820 1905 2184 2540 2667 2730 3048 3302 3556 3640 3810 4445 4953 5080 5334 5460 6604 7112 7620 8255 8890 9661 9906 10668 10920 11557 13208 13335 15240 16510 17780 19322 19812 21336 23114 24765 26670 28983 33020 34671 35560 38644 39624 46228 48305 49530 53340 57785 57966 66040 67627 69342 77288 92456 96610 99060 106680 115570 115932 125593 135254 138684 144915 173355 193220 198120 202881 231140 231864 251186 270508 277368 289830 338135 346710 376779 386440 405762 462280 502372 541016 579660 627965 676270 693420 753558 811524 879151 1004744 1014405 1159320 1226947 1255930 1352540 1386840 1507116 1623048 1758302 1883895 2028810 2453894 2511860 2637453 2705080 3014232 3516604 3680841 3767790 4057620 4395755 4907788 5023720 5274906 6134735 7033208 7361682 7535580 8115240 8588629 8791510 9815576 10549812 12269470 13187265 14723364 15071160 15950311 17177258 17583020 18404205 21099624 24538940 25765887 26374530 29446728 31900622 34354516 35166040 36808410 42943145 47850933 49077880 51531774 52749060 63801244 68709032 73616820 79751555 85886290 95701866 103063548 105498120 111652177 127602488 128829435 147233640 159503110 171772580 191403732 206127096 223304354 239254665 257658870 319006220 334956531 343545160 382807464 446608708 478509330 515317740 558260885 638012440 669913062 893217416 957018660 1030635480 1116521770 1339826124 1674782655 1914037320 2233043540 2679652248 3349565310 4466087080 6699130620 13398261240
• Sum of all divisors σ(n): 49865195520
• Sum of proper divisors (its aliquot sum) s(n): 36466934280
• 13398261240 is an abundant number, because the sum of its proper divisors (36466934280) is greater than itself. Its abundance is 23068673040

Bases of 13398261240

• Binary: 1100011110100110010011110111111000₂
• Hexadecimal: 0x31E993DF8
• Base-36: 65KZ8JC

Squares and roots of 13398261240

• 13398261240 squared (13398261240²) is 179513404255286337600
• 13398261240 cubed (13398261240³) is 2405167486294054002167634624000
• The square root of 13398261240 is 115750.8584849373
• The cube root of 13398261240 is 2375.1049993837

Scales and comparisons

• 13,398,261,240 seconds is equal to 426 years, 1 week, 1 day, 11 hours, 14 minutes.
• To count from 1 to 13,398,261,240 would take you about eight hundred fifty-two 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 13398261240 cubic inches would be around 197.9 feet tall.

Recreational maths with 13398261240

• 13398261240 backwards is 04216289331
• 13398261240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13398261240's digits is 39
• More coming soon!