138481700840

Names of 138481700840

• Cardinal: 138481700840 can be written as One hundred thirty-eight billion, four hundred eighty-one million, seven hundred thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3848170084 × 10¹¹

Factors of 138481700840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 43101

Divisors of 138481700840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 31 35 40 49 53 56 62 70 98 106 124 140 155 196 212 217 245 248 265 280 310 371 392 424 434 490 530 620 742 868 980 1060 1085 1240 1484 1519 1643 1736 1855 1960 2120 2170 2597 2968 3038 3286 3710 4340 5194 6076 6572 7420 7595 8215 8680 10388 11501 12152 12985 13144 14840 15190 16430 20776 23002 25970 30380 32860 43003 46004 51940 57505 60760 65720 80507 86006 92008 103880 115010 161014 172012 215015 230020 301021 322028 344024 402535 430030 460040 602042 644056 805070 860060 1204084 1333093 1505105 1610140 1720120 2107147 2279159 2408168 2666186 3010210 3220280 4214294 4558318 5332372 6020420 6665465 8428588 9116636 9331651 10535735 10664744 11395795 12040840 13330930 15954113 16857176 18233272 18663302 21071470 22791590 26661860 31908226 37326604 42142940 45583180 46658255 53323720 63816452 65321557 70653929 74653208 79770565 84285880 91166360 93316510 111678791 127632904 130643114 141307858 159541130 186633020 223357582 261286228 282615716 319082260 326607785 353269645 373266040 446715164 494577503 522572456 558393955 565231432 638164520 653215570 706539290 893430328 989155006 1116787910 1306431140 1413078580 1978310012 2233575820 2472887515 2612862280 2826157160 3462042521 3956620024 4467151640 4945775030 6924085042 9891550060 13848170084 17310212605 19783100120 27696340168 34620425210 69240850420 138481700840
• Sum of all divisors σ(n): 381214978560
• Sum of proper divisors (its aliquot sum) s(n): 242733277720
• 138481700840 is an abundant number, because the sum of its proper divisors (242733277720) is greater than itself. Its abundance is 104251576880

Bases of 138481700840

• Binary: 10000000111110001001110000111111101000₂
• Hexadecimal: 0x203E270FE8
• Base-36: 1RM8FG88

Squares and roots of 138481700840

• 138481700840 squared (138481700840²) is 19177181467539256705600
• 138481700840 cubed (138481700840³) is 2655688706942163518060863152704000
• The square root of 138481700840 is 372131.2951634141
• The cube root of 138481700840 is 5173.6549776363

Scales and comparisons

• 138,481,700,840 seconds is equal to 4,403 years, 15 weeks, 11 hours, 7 minutes, 20 seconds.
• To count from 1 to 138,481,700,840 would take you about eight thousand, eight hundred six 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 138481700840 cubic inches would be around 431.1 feet tall.

Recreational maths with 138481700840

• 138481700840 backwards is 048007184831
• The number of decimal digits it has is: 12
• The sum of 138481700840's digits is 44
• More coming soon!