813199330872

Names of 813199330872

• Cardinal: 813199330872 can be written as Eight hundred thirteen billion, one hundred ninety-nine million, three hundred thirty thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 8.13199330872 × 10¹¹

Factors of 813199330872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 731

Divisors of 813199330872

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 353 373 486 648 706 729 746 972 1059 1119 1412 1458 1492 1944 2118 2187 2238 2824 2916 2984 3177 3357 4236 4374 4476 5832 6354 6714 8472 8748 8952 9531 10071 12708 13428 17496 19062 20142 25416 26856 28593 30213 38124 40284 57186 60426 76248 80568 85779 90639 114372 120852 124609 131669 171558 181278 228744 241704 249218 257337 263338 271917 343116 362556 373827 395007 498436 514674 526676 543834 686232 725112 747654 772011 790014 815751 996872 1029348 1053352 1087668 1121481 1185021 1495308 1544022 1580028 1631502 2058696 2175336 2242962 2370042 2990616 3088044 3160056 3263004 3364443 3555063 4485924 4740084 6176088 6526008 6728886 7110126 8971848 9480168 10093329 10665189 13457772 14220252 20186658 21330378 26915544 28440504 30279987 31995567 40373316 42660756 46479157 60559974 63991134 80746632 85321512 90839961 92958314 95986701 121119948 127982268 139437471 181679922 185916628 191973402 242239896 255964536 272519883 278874942 287960103 363359844 371833256 383946804 418312413 545039766 557749884 575920206 726719688 767893608 836624826 1090079532 1115499768 1151840412 1254937239 1673249652 2180159064 2303680824 2509874478 3346499304 3764811717 5019748956 7529623434 10039497912 11294435151 15059246868 22588870302 30118493736 33883305453 45177740604 67766610906 90355481208 101649916359 135533221812 203299832718 271066443624 406599665436 813199330872
• Sum of all divisors σ(n): 2299419170400
• Sum of proper divisors (its aliquot sum) s(n): 1486219839528
• 813199330872 is an abundant number, because the sum of its proper divisors (1486219839528) is greater than itself. Its abundance is 673020508656

Bases of 813199330872

• Binary: 1011110101010110011101010000111000111000₂
• Hexadecimal: 0xBD56750E38
• Base-36: ADKTVVI0

Squares and roots of 813199330872

• 813199330872 squared (813199330872²) is 661293151730668532280384
• 813199330872 cubed (813199330872³) is 537763148497615619211634601091214848
• The square root of 813199330872 is 901775.6544019139
• The cube root of 813199330872 is 9333.9543143439

Scales and comparisons

• 813,199,330,872 seconds is equal to 25,857 years, 11 weeks, 4 days, 7 hours, 1 minute, 12 seconds.
• To count from 1 to 813,199,330,872 would take you about fifty-one thousand, seven hundred fourteen 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 813199330872 cubic inches would be around 777.8 feet tall.

Recreational maths with 813199330872

• 813199330872 backwards is 278033991318
• 813199330872 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 813199330872's digits is 54
• More coming soon!