128832768

Names of 128832768

• Cardinal: 128832768 can be written as One hundred twenty-eight million, eight hundred thirty-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.28832768 × 10⁸

Factors of 128832768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 133

Divisors of 128832768

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 81 96 108 109 114 128 144 152 162 171 192 216 218 228 243 256 288 304 324 327 342 384 432 436 456 486 513 576 608 648 654 684 768 864 872 912 972 981 1026 1152 1216 1296 1308 1368 1539 1728 1744 1824 1944 1962 2052 2071 2304 2432 2592 2616 2736 2943 3078 3456 3488 3648 3888 3924 4104 4142 4617 4864 5184 5232 5472 5886 6156 6213 6912 6976 7296 7776 7848 8208 8284 8829 9234 10368 10464 10944 11772 12312 12426 13952 14592 15552 15696 16416 16568 17658 18468 18639 20736 20928 21888 23544 24624 24852 26487 27904 31104 31392 32832 33136 35316 36936 37278 41856 43776 47088 49248 49704 52974 55917 62208 62784 65664 66272 70632 73872 74556 83712 94176 98496 99408 105948 111834 125568 131328 132544 141264 147744 149112 167751 188352 196992 198816 211896 223668 251136 265088 282528 295488 298224 335502 376704 393984 397632 423792 447336 503253 530176 565056 590976 596448 671004 753408 795264 847584 894672 1006506 1130112 1181952 1192896 1342008 1590528 1695168 1789344 2013012 2260224 2385792 2684016 3390336 3578688 4026024 4771584 5368032 6780672 7157376 8052048 10736064 14314752 16104096 21472128 32208192 42944256 64416384 128832768
• Sum of all divisors σ(n): 409208800
• Sum of proper divisors (its aliquot sum) s(n): 280376032
• 128832768 is an abundant number, because the sum of its proper divisors (280376032) is greater than itself. Its abundance is 151543264

Bases of 128832768

• Binary: 111101011011101010100000000₂
• Hexadecimal: 0x7ADD500
• Base-36: 24PC00

Squares and roots of 128832768

• 128832768 squared (128832768²) is 16597882110541824
• 128832768 cubed (128832768³) is 2138351095238785165688832
• The square root of 128832768 is 11350.4523257887
• The cube root of 128832768 is 505.0589977797

Scales and comparisons

• 128,832,768 seconds is equal to 4 years, 5 weeks, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 128,832,768 would take you about six 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 128832768 cubic inches would be around 42.1 feet tall.

Recreational maths with 128832768

• 128832768 backwards is 867238821
• The number of decimal digits it has is: 9
• The sum of 128832768's digits is 45
• More coming soon!