138990158900

Names of 138990158900

• Cardinal: 138990158900 can be written as One hundred thirty-eight billion, nine hundred ninety million, one hundred fifty-eight thousand, nine hundred.

Scientific notation

• Scientific notation: 1.389901589 × 10¹¹

Factors of 138990158900

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 540

Divisors of 138990158900

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 10 17 20 25 29 34 50 58 68 79 85 100 116 127 145 158 170 254 281 290 316 340 395 425 493 508 562 580 635 725 790 850 986 1124 1270 1343 1405 1450 1580 1700 1972 1975 2159 2291 2465 2540 2686 2810 2900 3175 3683 3950 4318 4582 4777 4930 5372 5620 6350 6715 7025 7366 7900 8149 8636 9164 9554 9860 10033 10795 11455 12325 12700 13430 14050 14732 16298 18415 19108 20066 21590 22199 22910 23885 24650 26860 28100 32596 33575 35687 36830 38947 40132 40745 43180 44398 45820 47770 49300 50165 53975 57275 62611 67150 71374 73660 77894 81490 88796 92075 95540 100330 107950 110995 114550 119425 125222 134300 138533 142748 155788 162980 170561 178435 184150 194735 200660 203725 215900 221990 229100 238850 250444 250825 277066 290957 313055 341122 356870 368300 377383 389470 407450 443980 477700 501650 554132 554975 581914 606679 626110 643771 682244 692665 713740 754766 778940 814900 852805 892175 973675 1003300 1034923 1109950 1163828 1213358 1252220 1287542 1385330 1454785 1509532 1565275 1705610 1784350 1886915 1947350 2069846 2219900 2426716 2575084 2770660 2819273 2909570 3033395 3130550 3218855 3411220 3463325 3568700 3773830 3894700 4139692 4264025 4946269 5174615 5638546 5819140 6066790 6261100 6437710 6926650 7273925 7547660 8528050 9434575 9892538 10349230 10944107 11277092 12133580 12875420 13853300 14096365 14547850 15166975 16094275 17056100 17593691 18869150 19785076 20698460 21888214 24731345 25873075 28192730 29095700 30333950 32188550 35187382 37738300 43776428 47927641 49462690 51746150 54720535 56385460 60667900 64377100 70374764 70481825 81758917 87968455 95855282 98925380 103492300 109441070 123656725 140963650 163517834 175936910 191710564 218882140 239638205 247313450 273602675 281927300 327035668 351873820 408794585 439842275 479276410 494626900 547205350 817589170 879684550 958552820 1094410700 1198191025 1389901589 1635178340 1759369100 2043972925 2396382050 2779803178 4087945850 4792764100 5559606356 6949507945 8175891700 13899015890 27798031780 34747539725 69495079450 138990158900
• Sum of all divisors σ(n): 338378342400
• Sum of proper divisors (its aliquot sum) s(n): 199388183500
• 138990158900 is an abundant number, because the sum of its proper divisors (199388183500) is greater than itself. Its abundance is 60398024600

Bases of 138990158900

• Binary: 10000001011100011101011000010000110100₂
• Hexadecimal: 0x205C758434
• Base-36: 1RUN5GZ8

Squares and roots of 138990158900

• 138990158900 squared (138990158900²) is 19318264271047249210000
• 138990158900 cubed (138990158900³) is 2685048620705049837105799469000000
• The square root of 138990158900 is 372813.8394695133
• The cube root of 138990158900 is 5179.9792153427

Scales and comparisons

• 138,990,158,900 seconds is equal to 4,419 years, 23 weeks, 5 days, 9 hours, 28 minutes, 20 seconds.
• To count from 1 to 138,990,158,900 would take you about eight thousand, eight hundred thirty-eight 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 138990158900 cubic inches would be around 431.7 feet tall.

Recreational maths with 138990158900

• 138990158900 backwards is 009851099831
• The number of decimal digits it has is: 12
• The sum of 138990158900's digits is 53
• More coming soon!