13491395840

Names of 13491395840

• Cardinal: 13491395840 can be written as Thirteen billion, four hundred ninety-one million, three hundred ninety-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.349139584 × 10¹⁰

Factors of 13491395840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1363

Divisors of 13491395840

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 32 34 37 40 52 64 65 68 74 80 85 104 128 130 136 148 160 170 185 208 221 256 260 272 296 320 340 370 416 442 481 520 544 592 629 640 680 740 832 884 962 1040 1088 1105 1184 1258 1280 1289 1360 1480 1664 1768 1924 2080 2176 2210 2368 2405 2516 2578 2720 2960 3145 3328 3536 3848 4160 4352 4420 4736 4810 5032 5156 5440 5920 6290 6445 7072 7696 8177 8320 8840 9472 9620 10064 10312 10880 11840 12580 12890 14144 15392 16354 16640 16757 17680 19240 20128 20624 21760 21913 23680 25160 25780 28288 30784 32708 33514 35360 38480 40256 40885 41248 43826 47360 47693 50320 51560 56576 61568 65416 67028 70720 76960 80512 81770 82496 83785 87652 95386 100640 103120 109565 123136 130832 134056 141440 153920 161024 163540 164992 167570 175304 190772 201280 206240 219130 238465 261664 268112 282880 284869 307840 327080 329984 335140 350608 381544 402560 412480 438260 476930 523328 536224 569738 615680 620009 654160 670280 701216 763088 805120 810781 824960 876520 953860 1046656 1072448 1139476 1240018 1308320 1340560 1402432 1424345 1526176 1621562 1649920 1753040 1907720 2093312 2144896 2278952 2480036 2616640 2681120 2804864 2848690 3052352 3100045 3243124 3506080 3815440 4053905 4289792 4557904 4960072 5233280 5362240 5609728 5697380 6104704 6200090 6486248 7012160 7630880 8107810 9115808 9920144 10466560 10540153 10724480 11394760 12209408 12400180 12972496 14024320 15261760 16215620 18231616 19840288 21080306 21448960 22789520 24800360 25944992 28048640 30523520 32431240 36463232 39680576 42160612 45579040 49600720 51889984 52700765 61047040 64862480 72926464 79361152 84321224 91158080 99201440 103779968 105401530 129724960 158722304 168642448 182316160 198402880 207559936 210803060 259449920 337284896 364632320 396805760 421606120 518899840 674569792 793611520 843212240 1037799680 1349139584 1686424480 2698279168 3372848960 6745697920 13491395840
• Sum of all divisors σ(n): 37874420640
• Sum of proper divisors (its aliquot sum) s(n): 24383024800
• 13491395840 is an abundant number, because the sum of its proper divisors (24383024800) is greater than itself. Its abundance is 10891628960

Bases of 13491395840

• Binary: 1100100100001001100101110100000000₂
• Hexadecimal: 0x324265D00
• Base-36: 674FFNK

Squares and roots of 13491395840

• 13491395840 squared (13491395840²) is 182017761711569305600
• 13491395840 cubed (13491395840³) is 2455673673161577409443528704000
• The square root of 13491395840 is 116152.4680753707
• The cube root of 13491395840 is 2380.5956092361

Scales and comparisons

• 13,491,395,840 seconds is equal to 428 years, 51 weeks, 1 day, 9 hours, 57 minutes, 20 seconds.
• To count from 1 to 13,491,395,840 would take you about eight hundred fifty-seven 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 13491395840 cubic inches would be around 198.4 feet tall.

Recreational maths with 13491395840

• 13491395840 backwards is 04859319431
• The number of decimal digits it has is: 11
• The sum of 13491395840's digits is 47
• More coming soon!