6900121728

Names of 6900121728

• Cardinal: 6900121728 can be written as Six billion, nine hundred million, one hundred twenty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 6.900121728 × 10⁹

Factors of 6900121728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 520

Divisors of 6900121728

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 53 54 58 64 72 81 87 96 106 108 116 128 144 159 162 174 192 212 216 232 261 288 318 324 348 384 424 432 433 464 477 522 576 636 648 696 783 848 864 866 928 954 1044 1152 1272 1296 1299 1392 1431 1537 1566 1696 1728 1732 1856 1908 2088 2349 2544 2592 2598 2784 2862 3074 3132 3392 3456 3464 3712 3816 3897 4176 4293 4611 4698 5088 5184 5196 5568 5724 6148 6264 6784 6928 7632 7794 8352 8586 9222 9396 10176 10368 10392 11136 11448 11691 12296 12528 12557 13833 13856 15264 15588 16704 17172 18444 18792 20352 20784 22896 22949 23382 24592 25056 25114 27666 27712 30528 31176 33408 34344 35073 36888 37584 37671 41499 41568 45792 45898 46764 49184 50112 50228 55332 55424 61056 62352 68688 68847 70146 73776 75168 75342 82998 83136 91584 91796 93528 98368 100224 100456 110664 113013 124497 124704 137376 137694 140292 147552 150336 150684 165996 166272 183168 183592 187056 196736 200912 206541 221328 226026 248994 249408 274752 275388 280584 295104 300672 301368 331992 339039 367184 374112 401824 413082 442656 452052 497988 498816 549504 550776 561168 590208 602736 619623 663984 665521 678078 734368 748224 803648 826164 885312 904104 995976 1017117 1101552 1122336 1205472 1239246 1327968 1331042 1356156 1468736 1496448 1607296 1652328 1770624 1808208 1858869 1991952 1996563 2034234 2203104 2244672 2410944 2478492 2655936 2662084 2712312 2937472 3304656 3616416 3717738 3983904 3993126 4068468 4406208 4489344 4821888 4956984 5311872 5324168 5424624 5989689 6609312 7232832 7435476 7967808 7986252 8136936 8812416 9913968 10648336 10849248 11979378 13218624 14465664 14870952 15935616 15972504 16273872 17969067 19827936 21296672 21698496 23958756 26437248 29741904 31945008 32547744 35938134 39655872 42593344 43396992 47917512 53907201 59483808 63890016 65095488 71876268 79311744 85186688 95835024 107814402 118967616 127780032 130190976 143752536 191670048 215628804 237935232 255560064 287505072 383340096 431257608 575010144 766680192 862515216 1150020288 1725030432 2300040576 3450060864 6900121728
• Sum of all divisors σ(n): 21693533400
• Sum of proper divisors (its aliquot sum) s(n): 14793411672
• 6900121728 is an abundant number, because the sum of its proper divisors (14793411672) is greater than itself. Its abundance is 7893289944

Bases of 6900121728

• Binary: 110011011010001111000000010000000₂
• Hexadecimal: 0x19B478080
• Base-36: 3645K00

Squares and roots of 6900121728

• 6900121728 squared (6900121728²) is 47611679861217705984
• 6900121728 cubed (6900121728³) is 328526386716968317598514020352
• The square root of 6900121728 is 83066.9713424055
• The cube root of 6900121728 is 1903.7894572173

Scales and comparisons

• 6,900,121,728 seconds is equal to 219 years, 20 weeks, 6 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 6,900,121,728 would take you about four hundred thirty-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 6900121728 cubic inches would be around 158.6 feet tall.

Recreational maths with 6900121728

• 6900121728 backwards is 8271210096
• 6900121728 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6900121728's digits is 36
• More coming soon!