138244259840

Names of 138244259840

• Cardinal: 138244259840 can be written as One hundred thirty-eight billion, two hundred forty-four million, two hundred fifty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3824425984 × 10¹¹

Factors of 138244259840

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 30
• Sum of prime factors: 110

Divisors of 138244259840

• Number of divisors d(n): 116
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 103 128 160 206 256 320 412 512 515 640 824 1024 1030 1280 1648 2048 2060 2560 3296 4096 4120 5120 6592 8192 8240 10240 13184 16384 16480 20480 26368 32768 32960 40960 52736 65536 65920 81920 105472 131072 131840 163840 210944 262144 263680 327680 421888 524288 527360 655360 843776 1048576 1054720 1310720 1687552 2097152 2109440 2621440 3375104 4194304 4218880 5242880 6750208 8388608 8437760 10485760 13500416 16777216 16875520 20971520 27000832 33554432 33751040 41943040 54001664 67108864 67502080 83886080 108003328 134217728 135004160 167772160 216006656 268435456 270008320 335544320 432013312 540016640 671088640 864026624 1080033280 1342177280 1728053248 2160066560 3456106496 4320133120 6912212992 8640266240 13824425984 17280532480 27648851968 34561064960 69122129920 138244259840
• Sum of all divisors σ(n): 335007448464
• Sum of proper divisors (its aliquot sum) s(n): 196763188624
• 138244259840 is an abundant number, because the sum of its proper divisors (196763188624) is greater than itself. Its abundance is 58518928784

Bases of 138244259840

• Binary: 10000000110000000000000000000000000000₂
• Hexadecimal: 0x2030000000
• Base-36: 1RIB29KW

Squares and roots of 138244259840

• 138244259840 squared (138244259840²) is 19111475378709436825600
• 138244259840 cubed (138244259840³) is 2642051768180069788378311163904000
• The square root of 138244259840 is 371812.1297644819
• The cube root of 138244259840 is 5170.6963663359

Scales and comparisons

• 138,244,259,840 seconds is equal to 4,395 years, 38 weeks, 3 days, 7 hours, 17 minutes, 20 seconds.
• To count from 1 to 138,244,259,840 would take you about eight thousand, seven hundred ninety-one 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 138244259840 cubic inches would be around 430.9 feet tall.

Recreational maths with 138244259840

• 138244259840 backwards is 048952442831
• The number of decimal digits it has is: 12
• The sum of 138244259840's digits is 50
• More coming soon!