1427923728

Names of 1427923728

• Cardinal: 1427923728 can be written as One billion, four hundred twenty-seven million, nine hundred twenty-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.427923728 × 10⁹

Factors of 1427923728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 413

Divisors of 1427923728

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 33 36 41 42 44 48 54 56 63 66 72 77 81 82 84 88 99 108 112 123 126 132 144 154 162 164 168 176 189 198 216 231 246 252 264 287 297 308 324 328 336 349 369 378 396 432 451 462 492 504 528 567 574 594 616 648 656 693 698 738 756 792 861 891 902 924 984 1008 1047 1107 1134 1148 1188 1232 1296 1353 1386 1396 1476 1512 1584 1722 1782 1804 1848 1968 2079 2094 2214 2268 2296 2376 2443 2583 2706 2772 2792 2952 3024 3141 3157 3321 3444 3564 3608 3696 3839 4059 4158 4188 4428 4536 4592 4752 4886 5166 5412 5544 5584 5904 6237 6282 6314 6642 6888 7128 7216 7329 7678 7749 8118 8316 8376 8856 9072 9423 9471 9772 10332 10824 11088 11517 12177 12474 12564 12628 13284 13776 14256 14309 14658 15356 15498 16236 16632 16752 17712 18846 18942 19544 20664 21648 21987 23034 23247 24354 24948 25128 25256 26568 26873 28269 28413 28618 29316 30712 30996 32472 33264 34551 36531 37692 37884 39088 41328 42927 43974 46068 46494 48708 49896 50256 50512 53136 53746 56538 56826 57236 58632 61424 61992 64944 65961 69102 73062 75384 75768 80619 85239 85854 87948 92136 92988 97416 99792 100163 103653 107492 113076 113652 114472 117264 123984 128781 131922 138204 146124 150768 151536 157399 161238 170478 171708 175896 184272 185976 194832 197883 200326 207306 214984 226152 227304 228944 241857 255717 257562 263844 276408 292248 300489 310959 314798 322476 340956 343416 351792 371952 386343 395766 400652 414612 429968 452304 454608 472197 483714 511434 515124 527688 552816 584496 600978 621918 629596 644952 681912 686832 725571 772686 791532 801304 829224 901467 944394 967428 1022868 1030248 1055376 1101793 1159029 1201956 1243836 1259192 1289904 1363824 1416591 1451142 1545372 1583064 1602608 1658448 1802934 1888788 1934856 2045736 2060496 2176713 2203586 2318058 2403912 2487672 2518384 2704401 2833182 2902284 3090744 3166128 3305379 3605868 3777576 3869712 4091472 4249773 4353426 4407172 4636116 4807824 4975344 5408802 5666364 5804568 6181488 6610758 7211736 7555152 8113203 8499546 8706852 8814344 9272232 9916137 10817604 11332728 11609136 12749319 13221516 14423472 16226406 16999092 17413704 17628688 18544464 19832274 21635208 22665456 25498638 26443032 29748411 32452812 33998184 34827408 39664548 43270416 50997276 52886064 59496822 64905624 67996368 79329096 89245233 101994552 118993644 129811248 158658192 178490466 203989104 237987288 356980932 475974576 713961864 1427923728
• Sum of all divisors σ(n): 5293411200
• Sum of proper divisors (its aliquot sum) s(n): 3865487472
• 1427923728 is an abundant number, because the sum of its proper divisors (3865487472) is greater than itself. Its abundance is 2437563744

Bases of 1427923728

• Binary: 1010101000111000110001100010000₂
• Hexadecimal: 0x551C6310
• Base-36: NM5D00

Squares and roots of 1427923728

• 1427923728 squared (1427923728²) is 2038966172985417984
• 1427923728 cubed (1427923728³) is 2911488178995230937351524352
• The square root of 1427923728 is 37787.8780563293
• The cube root of 1427923728 is 1126.0776447207

Scales and comparisons

• 1,427,923,728 seconds is equal to 45 years, 20 weeks, 6 days, 21 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,427,923,728 would take you about ninety 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 1427923728 cubic inches would be around 93.8 feet tall.

Recreational maths with 1427923728

• 1427923728 backwards is 8273297241
• The number of decimal digits it has is: 10
• The sum of 1427923728's digits is 45
• More coming soon!