28429691488

Names of 28429691488

• Cardinal: 28429691488 can be written as Twenty-eight billion, four hundred twenty-nine million, six hundred ninety-one thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 2.8429691488 × 10¹⁰

Factors of 28429691488

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 75

Divisors of 28429691488

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 11 16 19 22 32 38 43 44 76 86 88 121 152 172 176 209 242 304 344 352 361 418 473 484 608 688 722 817 836 946 968 1331 1376 1444 1634 1672 1849 1892 1936 2299 2662 2888 3268 3344 3698 3784 3872 3971 4598 5203 5324 5776 6536 6688 7396 7568 7942 8987 9196 10406 10648 11552 13072 14792 15136 15523 15884 17974 18392 20339 20812 21296 25289 26144 29584 31046 31768 35131 35948 36784 40678 41624 42592 43681 50578 57233 59168 62092 63536 70262 71896 73568 81356 83248 87362 98857 101156 114466 124184 127072 140524 143792 162712 166496 170753 174724 197714 202312 223729 228932 248368 281048 287584 325424 341506 349448 386441 395428 404624 447458 457864 480491 496736 562096 650848 667489 683012 698896 772882 790856 809248 894916 915728 960982 1087427 1124192 1334978 1366024 1397792 1545764 1581712 1789832 1831456 1878283 1921964 2174854 2461019 2669956 2732048 3091528 3163424 3579664 3756566 3843928 4250851 4349708 4922038 5339912 5464096 6183056 7159328 7342379 7513132 7687856 8501702 8699416 9844076 10679824 12366112 14684758 15026264 15375712 17003404 17398832 19688152 20661113 21359648 29369516 30052528 34006808 34797664 39376304 41322226 46759361 58739032 60105056 68013616 78752608 80766169 82644452 93518722 117478064 136027232 161532338 165288904 187037444 234956128 323064676 330577808 374074888 646129352 661155616 748149776 888427859 1292258704 1496299552 1776855718 2584517408 3553711436 7107422872 14214845744 28429691488
• Sum of all divisors σ(n): 66520762056
• Sum of proper divisors (its aliquot sum) s(n): 38091070568
• 28429691488 is an abundant number, because the sum of its proper divisors (38091070568) is greater than itself. Its abundance is 9661379080

Bases of 28429691488

• Binary: 11010011110100010101010101001100000₂
• Hexadecimal: 0x69E8AAA60
• Base-36: D26AYCG

Squares and roots of 28429691488

• 28429691488 squared (28429691488²) is 808247358102859654144
• 28429691488 cubed (28429691488³) is 22978223036855356937876300726272
• The square root of 28429691488 is 168611.0657341325
• The cube root of 28429691488 is 3052.0434747289

Scales and comparisons

• 28,429,691,488 seconds is equal to 903 years, 50 weeks, 5 days, 8 hours, 31 minutes, 28 seconds.
• To count from 1 to 28,429,691,488 would take you about one thousand, eight hundred seven 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 28429691488 cubic inches would be around 254.3 feet tall.

Recreational maths with 28429691488

• 28429691488 backwards is 88419692482
• The number of decimal digits it has is: 11
• The sum of 28429691488's digits is 61
• More coming soon!