55729440

Names of 55729440

• Cardinal: 55729440 can be written as Fifty-five million, seven hundred twenty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 5.572944 × 10⁷

Factors of 55729440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 252

Divisors of 55729440

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 65 72 78 80 90 96 104 117 120 130 144 156 160 169 180 195 208 229 234 240 260 288 312 338 360 390 416 458 468 480 507 520 585 624 676 687 720 780 845 916 936 1014 1040 1145 1170 1248 1352 1374 1440 1521 1560 1690 1832 1872 2028 2061 2080 2290 2340 2535 2704 2748 2977 3042 3120 3380 3435 3664 3744 4056 4122 4580 4680 5070 5408 5496 5954 6084 6240 6760 6870 7328 7605 8112 8244 8931 9160 9360 10140 10305 10992 11908 12168 13520 13740 14885 15210 16224 16488 17862 18320 18720 20280 20610 21984 23816 24336 26793 27040 27480 29770 30420 32976 35724 36640 38701 40560 41220 44655 47632 48672 53586 54960 59540 60840 65952 71448 77402 81120 82440 89310 95264 107172 109920 116103 119080 121680 133965 142896 154804 164880 178620 193505 214344 232206 238160 243360 267930 285792 309608 329760 348309 357240 387010 428688 464412 476320 535860 580515 619216 696618 714480 774020 857376 928824 1071720 1161030 1238432 1393236 1428960 1548040 1741545 1857648 2143440 2322060 2786472 3096080 3483090 3715296 4286880 4644120 5572944 6192160 6966180 9288240 11145888 13932360 18576480 27864720 55729440
• Sum of all divisors σ(n): 206830260
• Sum of proper divisors (its aliquot sum) s(n): 151100820
• 55729440 is an abundant number, because the sum of its proper divisors (151100820) is greater than itself. Its abundance is 95371380

Bases of 55729440

• Binary: 11010100100101110100100000₂
• Hexadecimal: 0x3525D20
• Base-36: X6H40

Squares and roots of 55729440

• 55729440 squared (55729440²) is 3105770482713600
• 55729440 cubed (55729440³) is 173082849770158608384000
• The square root of 55729440 is 7465.2153351393
• The cube root of 55729440 is 381.9690955693

Scales and comparisons

• 55,729,440 seconds is equal to 1 year, 40 weeks, 1 day, 24 minutes.
• To count from 1 to 55,729,440 would take you about two 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 55729440 cubic inches would be around 31.8 feet tall.

Recreational maths with 55729440

• 55729440 backwards is 04492755
• 55729440 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 55729440's digits is 36
• More coming soon!