638795340144

Names of 638795340144

• Cardinal: 638795340144 can be written as Six hundred thirty-eight billion, seven hundred ninety-five million, three hundred forty thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 6.38795340144 × 10¹¹

Factors of 638795340144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 665216

Divisors of 638795340144

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 24 26 27 36 38 39 48 52 54 57 72 76 78 81 104 108 114 117 144 152 156 162 171 208 216 228 234 243 247 304 312 324 342 351 432 456 468 486 494 513 624 648 684 702 741 912 936 972 988 1026 1053 1296 1368 1404 1482 1539 1872 1944 1976 2052 2106 2223 2736 2808 2964 3078 3159 3888 3952 4104 4212 4446 4617 5616 5928 6156 6318 6669 8208 8424 8892 9234 11856 12312 12636 13338 16848 17784 18468 20007 24624 25272 26676 35568 36936 40014 50544 53352 60021 73872 80028 106704 120042 160056 240084 320112 480168 665179 960336 1330358 1995537 2660716 3991074 5321432 5986611 7982148 8647327 10642864 11973222 12638401 15964296 17294654 17959833 23946444 25276802 25941981 31928592 34589308 35919666 37915203 47892888 50553604 51883962 53879499 69178616 71839332 75830406 77825943 95785776 101107208 103767924 107758998 113745609 138357232 143678664 151660812 155651886 161638497 164299213 202214416 207535848 215517996 227491218 233477829 287357328 303321624 311303772 323276994 328598426 341236827 415071696 431035992 454982436 466955658 492897639 606643248 622607544 646553988 657196852 682473654 700433487 862071984 909964872 933911316 985795278 1023710481 1245215088 1293107976 1314393704 1364947308 1400866974 1478692917 1819929744 1867822632 1971590556 2047420962 2101300461 2586215952 2628787408 2729894616 2801733948 2957385834 3071131443 3735645264 3943181112 4094841924 4202600922 4436078751 5459789232 5603467896 5914771668 6142262886 7886362224 8189683848 8405201844 8872157502 11206935792 11829543336 12284525772 13308236253 16379367696 16810403688 17744315004 23659086672 24569051544 26616472506 33620807376 35488630008 39924708759 49138103088 53232945012 70977260016 79849417518 106465890024 159698835036 212931780048 319397670072 638795340144
• Sum of all divisors σ(n): 2101649513600
• Sum of proper divisors (its aliquot sum) s(n): 1462854173456
• 638795340144 is an abundant number, because the sum of its proper divisors (1462854173456) is greater than itself. Its abundance is 824058833312

Bases of 638795340144

• Binary: 1001010010111011001010110101100101110000₂
• Hexadecimal: 0x94BB2B5970
• Base-36: 85GI9300

Squares and roots of 638795340144

• 638795340144 squared (638795340144²) is 408059486589688657940736
• 638795340144 cubed (638795340144³) is 260666498535046172812311319713705984
• The square root of 638795340144 is 799246.7329579771
• The cube root of 638795340144 is 8612.3283620275

Scales and comparisons

• 638,795,340,144 seconds is equal to 20,311 years, 37 weeks, 1 day, 14 hours, 2 minutes, 24 seconds.
• To count from 1 to 638,795,340,144 would take you about forty thousand, six 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 638795340144 cubic inches would be around 717.7 feet tall.

Recreational maths with 638795340144

• 638795340144 backwards is 441043597836
• 638795340144 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 638795340144's digits is 54
• More coming soon!