128004637040

Names of 128004637040

• Cardinal: 128004637040 can be written as One hundred twenty-eight billion, four million, six hundred thirty-seven thousand and forty.

Scientific notation

• Scientific notation: 1.2800463704 × 10¹¹

Factors of 128004637040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 388145

Divisors of 128004637040

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 31 35 38 40 56 62 70 76 80 95 112 124 133 140 152 155 190 217 248 266 280 304 310 380 434 496 532 560 589 620 665 760 868 1064 1085 1178 1240 1330 1520 1736 2128 2170 2356 2480 2660 2945 3472 4123 4340 4712 5320 5890 8246 8680 9424 10640 11780 16492 17360 20615 23560 32984 41230 47120 65968 82460 164920 329840 388081 776162 1552324 1940405 2716567 3104648 3880810 5433134 6209296 7373539 7761620 10866268 12030511 13582835 14747078 15523240 21732536 24061022 27165670 29494156 31046480 36867695 43465072 48122044 51614773 54331340 58988312 60152555 73735390 84213577 96244088 103229546 108662680 117976624 120305110 147470780 168427154 192488176 206459092 217325360 228579709 240610220 258073865 294941560 336854308 412918184 421067885 457159418 481220440 516147730 589883120 673708616 825836368 842135770 914318836 962440880 1032295460 1142898545 1347417232 1600057963 1684271540 1828637672 2064590920 2285797090 3200115926 3368543080 3657275344 4129181840 4571594180 6400231852 6737086160 8000289815 9143188360 12800463704 16000579630 18286376720 25600927408 32001159260 64002318520 128004637040
• Sum of all divisors σ(n): 369578250240
• Sum of proper divisors (its aliquot sum) s(n): 241573613200
• 128004637040 is an abundant number, because the sum of its proper divisors (241573613200) is greater than itself. Its abundance is 113568976160

Bases of 128004637040

• Binary: 1110111001101101010111100000101110000₂
• Hexadecimal: 0x1DCDABC170
• Base-36: 1MSYNM28

Squares and roots of 128004637040

• 128004637040 squared (128004637040²) is 16385187103742139961600
• 128004637040 cubed (128004637040³) is 2097379928047001451537487537664000
• The square root of 128004637040 is 357777.3568016845
• The cube root of 128004637040 is 5039.7450561811

Scales and comparisons

• 128,004,637,040 seconds is equal to 4,070 years, 7 weeks, 6 days, 3 hours, 37 minutes, 20 seconds.
• To count from 1 to 128,004,637,040 would take you about eight thousand, one hundred forty 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 128004637040 cubic inches would be around 420 feet tall.

Recreational maths with 128004637040

• 128004637040 backwards is 040736400821
• 128004637040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128004637040's digits is 35
• More coming soon!