138739444800

Names of 138739444800

• Cardinal: 138739444800 can be written as One hundred thirty-eight billion, seven hundred thirty-nine million, four hundred forty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 1.387394448 × 10¹¹

Factors of 138739444800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1642

Divisors of 138739444800

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 55 60 64 66 75 80 88 96 100 110 120 132 150 160 165 176 192 200 220 240 264 275 300 320 330 352 400 440 480 528 550 600 660 704 800 825 880 960 1056 1100 1200 1320 1600 1621 1650 1760 2112 2200 2400 2640 3242 3300 3520 4400 4800 4863 5280 6484 6600 8105 8800 9726 10560 12968 13200 16210 17600 17831 19452 24315 25936 26400 32420 35662 38904 40525 48630 51872 52800 53493 64840 71324 77808 81050 89155 97260 103744 106986 121575 129680 142648 155616 162100 178310 194520 213972 243150 259360 267465 285296 311232 324200 356620 389040 427944 445775 486300 518720 534930 570592 648400 713240 778080 855888 891550 972600 1069860 1141184 1296800 1337325 1426480 1556160 1711776 1783100 1945200 2139720 2593600 2627641 2674650 2852960 3423552 3566200 3890400 4279440 5255282 5349300 5705920 7132400 7780800 7882923 8558880 10510564 10698600 13138205 14264800 15765846 17117760 21021128 21397200 26276410 28529600 28904051 31531692 39414615 42042256 42794400 52552820 57808102 63063384 65691025 78829230 84084512 85588800 86712153 105105640 115616204 126126768 131382050 144520255 157658460 168169024 173424306 197073075 210211280 231232408 252253536 262764100 289040510 315316920 346848612 394146150 420422560 433560765 462464816 504507072 525528200 578081020 630633840 693697224 722601275 788292300 840845120 867121530 924929632 1051056400 1156162040 1261267680 1387394448 1445202550 1576584600 1734243060 1849859264 2102112800 2167803825 2312324080 2522535360 2774788896 2890405100 3153169200 3468486120 4204225600 4335607650 4624648160 5549577792 5780810200 6306338400 6936972240 8671215300 9249296320 11561620400 12612676800 13873944480 17342430600 23123240800 27747888960 34684861200 46246481600 69369722400 138739444800
• Sum of all divisors σ(n): 496867604688
• Sum of proper divisors (its aliquot sum) s(n): 358128159888
• 138739444800 is an abundant number, because the sum of its proper divisors (358128159888) is greater than itself. Its abundance is 219388715088

Bases of 138739444800

• Binary: 10000001001101100000111110110001000000₂
• Hexadecimal: 0x204D83EC40
• Base-36: 1RQHVSQO

Squares and roots of 138739444800

• 138739444800 squared (138739444800²) is 19248633543412247040000
• 138739444800 cubed (138739444800³) is 2670544730971671851850043392000000
• The square root of 138739444800 is 372477.4420015257
• The cube root of 138739444800 is 5176.8627465379

Scales and comparisons

• 138,739,444,800 seconds is equal to 4,411 years, 25 weeks, 1 day, 14 hours, 40 minutes.
• To count from 1 to 138,739,444,800 would take you about eight thousand, eight hundred twenty-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 138739444800 cubic inches would be around 431.4 feet tall.

Recreational maths with 138739444800

• 138739444800 backwards is 008444937831
• The number of decimal digits it has is: 12
• The sum of 138739444800's digits is 51
• More coming soon!