2128829472

Names of 2128829472

• Cardinal: 2128829472 can be written as Two billion, one hundred twenty-eight million, eight hundred twenty-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.128829472 × 10⁹

Factors of 2128829472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2932

Divisors of 2128829472

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 66 72 77 84 88 96 99 108 112 121 126 132 144 154 168 176 189 198 216 224 231 242 252 264 288 297 308 336 352 363 378 396 432 462 484 504 528 594 616 672 693 726 756 792 847 864 924 968 1008 1056 1089 1188 1232 1386 1452 1512 1584 1694 1848 1936 2016 2079 2178 2376 2464 2541 2772 2904 2909 3024 3168 3267 3388 3696 3872 4158 4356 4752 5082 5544 5808 5818 6048 6534 6776 7392 7623 8316 8712 8727 9504 10164 11088 11616 11636 13068 13552 15246 16632 17424 17454 20328 20363 22176 22869 23272 26136 26181 27104 30492 31999 33264 34848 34908 40656 40726 45738 46544 52272 52362 60984 61089 63998 66528 69816 78543 81312 81452 91476 93088 95997 104544 104724 121968 122178 127996 139632 157086 162904 182952 183267 191994 209448 223993 243936 244356 255992 279264 287991 314172 325808 351989 365904 366534 383988 418896 447986 488712 511984 549801 575982 628344 651616 671979 703978 731808 733068 767976 837792 863973 895972 977424 1023968 1055967 1099602 1151964 1256688 1343958 1407956 1466136 1535952 1727946 1791944 1954848 2015937 2111934 2199204 2303928 2463923 2513376 2687916 2815912 2932272 3071904 3167901 3455892 3583888 4031874 4223868 4398408 4607856 4927846 5375832 5631824 5864544 6047811 6335802 6911784 7167776 7391769 8063748 8447736 8796816 9215712 9503703 9855692 10751664 11263648 12095622 12671604 13823568 14783538 16127496 16895472 17593632 19007406 19711384 21503328 22175307 24191244 25343208 27647136 29567076 32254992 33790944 38014812 39422768 44350614 48382488 50686416 59134152 64509984 66525921 76029624 78845536 88701228 96764976 101372832 118268304 133051842 152059248 177402456 193529952 236536608 266103684 304118496 354804912 532207368 709609824 1064414736 2128829472
• Sum of all divisors σ(n): 7802524800
• Sum of proper divisors (its aliquot sum) s(n): 5673695328
• 2128829472 is an abundant number, because the sum of its proper divisors (5673695328) is greater than itself. Its abundance is 3544865856

Bases of 2128829472

• Binary: 1111110111000110101110000100000₂
• Hexadecimal: 0x7EE35C20
• Base-36: Z7G7C0

Squares and roots of 2128829472

• 2128829472 squared (2128829472²) is 4531914920855798784
• 2128829472 cubed (2128829472³) is 9647674048114371913480962048
• The square root of 2128829472 is 46139.2400457571
• The cube root of 2128829472 is 1286.4126182211

Scales and comparisons

• 2,128,829,472 seconds is equal to 67 years, 35 weeks, 6 days, 5 hours, 31 minutes, 12 seconds.
• To count from 1 to 2,128,829,472 would take you about one hundred thirty-five 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 2128829472 cubic inches would be around 107.2 feet tall.

Recreational maths with 2128829472

• 2128829472 backwards is 2749288212
• The number of decimal digits it has is: 10
• The sum of 2128829472's digits is 45
• More coming soon!