138920198400

Names of 138920198400

• Cardinal: 138920198400 can be written as One hundred thirty-eight billion, nine hundred twenty million, one hundred ninety-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.389201984 × 10¹¹

Factors of 138920198400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1563

Divisors of 138920198400

• Number of divisors d(n): 243
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 256 288 300 320 360 384 400 450 480 576 600 640 720 768 800 900 960 1152 1200 1280 1440 1553 1600 1800 1920 2304 2400 2880 3106 3200 3600 3840 4659 4800 5760 6212 6400 7200 7765 9318 9600 11520 12424 13977 14400 15530 18636 19200 23295 24848 27954 28800 31060 37272 38825 46590 49696 55908 57600 62120 69885 74544 77650 93180 99392 111816 116475 124240 139770 149088 155300 186360 198784 223632 232950 248480 279540 298176 310600 349425 372720 397568 447264 465900 496960 559080 596352 621200 698850 745440 894528 931800 993920 1118160 1192704 1242400 1397700 1490880 1789056 1863600 1987840 2236320 2411809 2484800 2795400 2981760 3578112 3727200 4472640 4823618 4969600 5590800 5963520 7235427 7454400 8945280 9647236 9939200 11181600 12059045 14470854 14908800 17890560 19294472 21706281 22363200 24118090 28941708 29817600 36177135 38588944 43412562 44726400 48236180 57883416 60295225 72354270 77177888 86825124 89452800 96472360 108531405 115766832 120590450 144708540 154355776 173650248 180885675 192944720 217062810 231533664 241180900 289417080 308711552 347300496 361771350 385889440 434125620 463067328 482361800 542657025 578834160 617423104 694600992 723542700 771778880 868251240 926134656 964723600 1085314050 1157668320 1389201984 1447085400 1543557760 1736502480 1852269312 1929447200 2170628100 2315336640 2778403968 2894170800 3087115520 3473004960 3858894400 4341256200 4630673280 5556807936 5788341600 6946009920 7717788800 8682512400 9261346560 11576683200 13892019840 15435577600 17365024800 23153366400 27784039680 34730049600 46306732800 69460099200 138920198400
• Sum of all divisors σ(n): 496991082679
• Sum of proper divisors (its aliquot sum) s(n): 358070884279
• 138920198400 is an abundant number, because the sum of its proper divisors (358070884279) is greater than itself. Its abundance is 219150685879

Bases of 138920198400

• Binary: 10000001011000010010100000000100000000₂
• Hexadecimal: 0x20584A0100
• Base-36: 1RTHHZ40

Squares and roots of 138920198400

• 138920198400 squared (138920198400²) is 19298821523495362560000
• 138920198400 cubed (138920198400³) is 2680996114930166028315131904000000
• 138920198400 is a perfect square number. Its square root is 372720
• The cube root of 138920198400 is 5179.1099577415

Scales and comparisons

• 138,920,198,400 seconds is equal to 4,417 years, 12 weeks, 16 hours.
• To count from 1 to 138,920,198,400 would take you about eight thousand, eight hundred thirty-four 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 138920198400 cubic inches would be around 431.6 feet tall.

Recreational maths with 138920198400

• 138920198400 backwards is 004891029831
• 138920198400 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138920198400's digits is 45
• More coming soon!