129228288

Names of 129228288

• Cardinal: 129228288 can be written as One hundred twenty-nine million, two hundred twenty-eight thousand, two hundred eighty-eight.

Scientific notation

• Scientific notation: 1.29228288 × 10⁸

Factors of 129228288

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 130

Divisors of 129228288

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 49 51 56 64 68 84 96 98 101 102 112 119 128 136 147 168 192 196 202 204 224 238 256 272 294 303 336 357 384 392 404 408 448 476 512 544 588 606 672 707 714 768 784 808 816 833 896 952 1088 1176 1212 1344 1414 1428 1536 1568 1616 1632 1666 1717 1792 1904 2121 2176 2352 2424 2499 2688 2828 2856 3136 3232 3264 3332 3434 3584 3808 4242 4352 4704 4848 4949 4998 5151 5376 5656 5712 6272 6464 6528 6664 6868 7616 8484 8704 9408 9696 9898 9996 10302 10752 11312 11424 12019 12544 12928 13056 13328 13736 14847 15232 16968 18816 19392 19796 19992 20604 22624 22848 24038 25088 25856 26112 26656 27472 29694 30464 33936 36057 37632 38784 39592 39984 41208 45248 45696 48076 51712 53312 54944 59388 60928 67872 72114 75264 77568 79184 79968 82416 84133 90496 91392 96152 106624 109888 118776 135744 144228 155136 158368 159936 164832 168266 180992 182784 192304 213248 219776 237552 252399 271488 288456 316736 319872 329664 336532 361984 384608 426496 439552 475104 504798 542976 576912 633472 639744 659328 673064 769216 879104 950208 1009596 1085952 1153824 1266944 1279488 1318656 1346128 1538432 1900416 2019192 2307648 2533888 2637312 2692256 3076864 3800832 4038384 4615296 5384512 6153728 7601664 8076768 9230592 10769024 16153536 18461184 21538048 32307072 43076096 64614144 129228288
• Sum of all divisors σ(n): 428235984
• Sum of proper divisors (its aliquot sum) s(n): 299007696
• 129228288 is an abundant number, because the sum of its proper divisors (299007696) is greater than itself. Its abundance is 169779408

Bases of 129228288

• Binary: 111101100111101111000000000₂
• Hexadecimal: 0x7B3DE00
• Base-36: 24XT6O

Squares and roots of 129228288

• 129228288 squared (129228288²) is 16699950419410944
• 129228288 cubed (129228288³) is 2158106002385358261583872
• The square root of 129228288 is 11367.8620681287
• The cube root of 129228288 is 505.5753179213

Scales and comparisons

• 129,228,288 seconds is equal to 4 years, 5 weeks, 4 days, 16 hours, 44 minutes, 48 seconds.
• To count from 1 to 129,228,288 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 129228288 cubic inches would be around 42.1 feet tall.

Recreational maths with 129228288

• 129228288 backwards is 882822921
• 129228288 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 129228288's digits is 42
• More coming soon!