28429193808

Names of 28429193808

• Cardinal: 28429193808 can be written as Twenty-eight billion, four hundred twenty-nine million, one hundred ninety-three thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.8429193808 × 10¹⁰

Factors of 28429193808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 83

Divisors of 28429193808

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 36 47 48 54 62 72 93 94 108 124 141 144 186 188 216 248 279 282 372 376 423 432 496 558 564 744 752 837 846 961 1116 1128 1269 1457 1488 1674 1692 1922 2209 2232 2256 2538 2883 2914 3348 3384 3844 4371 4418 4464 5076 5766 5828 6627 6696 6768 7688 8649 8742 8836 10152 11532 11656 13113 13254 13392 15376 17298 17484 17672 19881 20304 23064 23312 25947 26226 26508 29791 34596 34968 35344 39339 39762 45167 46128 51894 52452 53016 59582 59643 68479 69192 69936 78678 79524 89373 90334 103788 104904 106032 119164 119286 135501 136958 138384 157356 159048 178746 180668 205437 207576 209808 238328 238572 268119 271002 273916 314712 318096 357492 361336 406503 410874 415152 476656 477144 536238 542004 547832 616311 629424 714984 722672 804357 813006 821748 954288 1072476 1084008 1095664 1219509 1232622 1400177 1429968 1608714 1626012 1643496 1848933 2122849 2144952 2168016 2439018 2465244 2800354 3217428 3252024 3286992 3697866 4200531 4245698 4289904 4878036 4930488 5600708 6368547 6434856 6504048 7395732 8401062 8491396 9756072 9860976 11201416 12601593 12737094 12869712 14791464 16802124 16982792 19105641 19512144 22402832 25203186 25474188 29582928 33604248 33965584 37804779 38211282 50406372 50948376 57316923 65808319 67208496 75609558 76422564 100812744 101896752 114633846 131616638 151219116 152845128 197424957 201625488 229267692 263233276 302438232 305690256 394849914 458535384 526466552 592274871 604876464 789699828 917070768 1052933104 1184549742 1579399656 1776824613 2369099484 3158799312 3553649226 4738198968 7107298452 9476397936 14214596904 28429193808
• Sum of all divisors σ(n): 86154565120
• Sum of proper divisors (its aliquot sum) s(n): 57725371312
• 28429193808 is an abundant number, because the sum of its proper divisors (57725371312) is greater than itself. Its abundance is 29296177504

Bases of 28429193808

• Binary: 11010011110100000110001001001010000₂
• Hexadecimal: 0x69E831250
• Base-36: D260AC0

Squares and roots of 28429193808

• 28429193808 squared (28429193808²) is 808219060572825540864
• 28429193808 cubed (28429193808³) is 22977016312344548799395079770112
• The square root of 28429193808 is 168609.5899052007
• The cube root of 28429193808 is 3052.0256652983

Scales and comparisons

• 28,429,193,808 seconds is equal to 903 years, 49 weeks, 6 days, 14 hours, 16 minutes, 48 seconds.
• To count from 1 to 28,429,193,808 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 28429193808 cubic inches would be around 254.3 feet tall.

Recreational maths with 28429193808

• 28429193808 backwards is 80839192482
• 28429193808 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28429193808's digits is 54
• More coming soon!