1228048640

Names of 1228048640

• Cardinal: 1228048640 can be written as One billion, two hundred twenty-eight million, forty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.22804864 × 10⁹

Factors of 1228048640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 838

Divisors of 1228048640

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 128 130 140 160 169 182 208 224 256 260 280 320 338 364 416 448 455 520 560 640 676 728 811 832 845 896 910 1040 1120 1183 1280 1352 1456 1622 1664 1690 1792 1820 2080 2240 2366 2704 2912 3244 3328 3380 3640 4055 4160 4480 4732 5408 5677 5824 5915 6488 6760 7280 8110 8320 8960 9464 10543 10816 11354 11648 11830 12976 13520 14560 16220 16640 18928 21086 21632 22708 23296 23660 25952 27040 28385 29120 32440 37856 42172 43264 45416 47320 51904 52715 54080 56770 58240 64880 73801 75712 84344 90832 94640 103808 105430 108160 113540 116480 129760 137059 147602 151424 168688 181664 189280 207616 210860 216320 227080 259520 274118 295204 302848 337376 363328 369005 378560 421720 454160 519040 548236 590408 674752 685295 726656 738010 757120 843440 908320 959413 1038080 1096472 1180816 1349504 1370590 1453312 1476020 1514240 1686880 1816640 1918826 2192944 2361632 2699008 2741180 2952040 3373760 3633280 3837652 4385888 4723264 4797065 5482360 5904080 6747520 7266560 7675304 8771776 9446528 9594130 10964720 11808160 13495040 15350608 17543552 18893056 19188260 21929440 23616320 30701216 35087104 38376520 43858880 47232640 61402432 76753040 87717760 94465280 122804864 153506080 175435520 245609728 307012160 614024320 1228048640
• Sum of all divisors σ(n): 3644762688
• Sum of proper divisors (its aliquot sum) s(n): 2416714048
• 1228048640 is an abundant number, because the sum of its proper divisors (2416714048) is greater than itself. Its abundance is 1188665408

Bases of 1228048640

• Binary: 1001001001100101000100100000000₂
• Hexadecimal: 0x49328900
• Base-36: KB5CE8

Squares and roots of 1228048640

• 1228048640 squared (1228048640²) is 1508103462205849600
• 1228048640 cubed (1228048640³) is 1852024405741185001324544000
• The square root of 1228048640 is 35043.5249368555
• The cube root of 1228048640 is 1070.8743660975

Scales and comparisons

• 1,228,048,640 seconds is equal to 39 years, 2 weeks, 3 days, 12 hours, 37 minutes, 20 seconds.
• To count from 1 to 1,228,048,640 would take you about seventy-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 1228048640 cubic inches would be around 89.2 feet tall.

Recreational maths with 1228048640

• 1228048640 backwards is 0468408221
• 1228048640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1228048640's digits is 35
• More coming soon!