138747677440

Names of 138747677440

• Cardinal: 138747677440 can be written as One hundred thirty-eight billion, seven hundred forty-seven million, six hundred seventy-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3874767744 × 10¹¹

Factors of 138747677440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 21581

Divisors of 138747677440

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 71 80 128 142 160 256 284 320 355 568 640 710 1136 1280 1420 2272 2840 4544 5041 5680 9088 10082 11360 18176 20164 21503 22720 25205 40328 43006 45440 50410 80656 86012 90880 100820 107515 161312 172024 201640 215030 322624 344048 403280 430060 645248 688096 806560 860120 1290496 1376192 1526713 1613120 1720240 2752384 3053426 3226240 3440480 5504768 6106852 6452480 6880960 7633565 12213704 13761920 15267130 24427408 27523840 30534260 48854816 61068520 97709632 108396623 122137040 195419264 216793246 244274080 390838528 433586492 488548160 541983115 867172984 977096320 1083966230 1734345968 1954192640 2167932460 3468691936 4335864920 6937383872 8671729840 13874767744 17343459680 27749535488 34686919360 69373838720 138747677440
• Sum of all divisors σ(n): 337106552832
• Sum of proper divisors (its aliquot sum) s(n): 198358875392
• 138747677440 is an abundant number, because the sum of its proper divisors (198358875392) is greater than itself. Its abundance is 59611197952

Bases of 138747677440

• Binary: 10000001001110000000011000101100000000₂
• Hexadecimal: 0x204E018B00
• Base-36: 1RQMS934

Squares and roots of 138747677440

• 138747677440 squared (138747677440²) is 19250917994994284953600
• 138747677440 cubed (138747677440³) is 2671020160393358583385538166784000
• The square root of 138747677440 is 372488.4930303217
• The cube root of 138747677440 is 5176.9651408845

Scales and comparisons

• 138,747,677,440 seconds is equal to 4,411 years, 38 weeks, 5 days, 21 hours, 30 minutes, 40 seconds.
• To count from 1 to 138,747,677,440 would take you about eight thousand, eight hundred twenty-three 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 138747677440 cubic inches would be around 431.4 feet tall.

Recreational maths with 138747677440

• 138747677440 backwards is 044776747831
• The number of decimal digits it has is: 12
• The sum of 138747677440's digits is 58
• More coming soon!