28355390401805824

Names of 28355390401805824

• Cardinal: 28355390401805824 can be written as Twenty-eight quadrillion, three hundred fifty-five trillion, three hundred ninety billion, four hundred one million, eight hundred five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.8355390401805824 × 10¹⁶

Factors of 28355390401805824

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 7856663704

Divisors of 28355390401805824

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 53 56 64 76 106 112 128 133 152 212 224 256 266 304 371 424 448 512 532 608 742 848 896 1007 1064 1216 1484 1696 1792 2014 2128 2432 2968 3392 3584 4028 4256 4864 5936 6784 7049 8056 8512 9728 11872 13568 14098 16112 17024 23744 27136 28196 32224 34048 47488 56392 64448 68096 94976 112784 128896 189952 225568 257792 451136 515584 902272 1804544 3609088 7856663623 15713327246 31426654492 54996645361 62853308984 109993290722 125706617968 149276608837 219986581444 251413235936 298553217674 416403172019 439973162888 502826471872 597106435348 832806344038 879946325776 1005652943744 1044936261859 1194212870696 1665612688076 1759892651552 2011305887488 2089872523718 2388425741392 2914822204133 3331225376152 3519785303104 4022611774976 4179745047436 4776851482784 5829644408266 6662450752304 7039570606208 7911660268361 8359490094872 9553702965568 11659288816532 13324901504608 14079141212416 15823320536722 16718980189744 19107405931136 23318577633064 26649803009216 28158282424832 31646641073444 33437960379488 38214811862272 46637155266128 53299606018432 55381621878527 63293282146888 66875920758976 76429623724544 93274310532256 106599212036864 110763243757054 126586564293776 133751841517952 186548621064512 213198424073728 221526487514108 253173128587552 267503683035904 373097242129024 443052975028216 506346257175104 535007366071808 746194484258048 886105950056432 1012692514350208 1492388968516096 1772211900112864 2025385028700416 3544423800225728 4050770057400832 7088847600451456 14177695200902912 28355390401805824
• Sum of all divisors σ(n): 69442849906721280
• Sum of proper divisors (its aliquot sum) s(n): 41087459504915456
• 28355390401805824 is an abundant number, because the sum of its proper divisors (41087459504915456) is greater than itself. Its abundance is 12732069103109632

Bases of 28355390401805824

• Binary: 1100100101111010001001111001100010111011111111000000000₂
• Hexadecimal: 0x64BD13CC5DFE00
• Base-36: 7R75AIQR0N4

Squares and roots of 28355390401805824

• 28355390401805824 squared (28355390401805824²) is 804028164838821849030640200318976
• 28355390401805824 cubed (28355390401805824³) is 22798532508052279962055565068682675817331214516224
• The square root of 28355390401805824 is 168390588.8160197153
• The cube root of 28355390401805824 is 304938.2313391751

Scales and comparisons

• 28,355,390,401,805,824 seconds is equal to 901,613,705 years, 41 weeks, 2 days, 18 hours, 57 minutes, 4 seconds.
• To count from 1 to 28,355,390,401,805,824 would take you about two billion, seven hundred four million, eight hundred forty-one thousand, one hundred seventeen 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 28355390401805824 cubic inches would be around 25411.5 feet tall.

Recreational maths with 28355390401805824

• 28355390401805824 backwards is 42850810409355382
• The number of decimal digits it has is: 17
• The sum of 28355390401805824's digits is 67
• More coming soon!