21195828576

Names of 21195828576

• Cardinal: 21195828576 can be written as Twenty-one billion, one hundred ninety-five million, eight hundred twenty-eight thousand, five hundred seventy-six.

Scientific notation

• Scientific notation: 2.1195828576 × 10¹⁰

Factors of 21195828576

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 145

Divisors of 21195828576

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 81 96 104 108 117 127 144 156 162 169 208 216 234 243 254 288 312 324 338 351 381 416 432 468 486 507 508 624 648 676 702 762 864 936 972 1014 1016 1053 1143 1248 1296 1352 1404 1521 1524 1651 1872 1944 2028 2032 2106 2286 2592 2704 2808 3042 3048 3159 3302 3429 3744 3888 4056 4064 4212 4563 4572 4953 5408 5616 6084 6096 6318 6604 6858 7776 8112 8424 9126 9144 9906 10287 11232 12168 12192 12636 13208 13689 13716 14859 16129 16224 16848 18252 18288 19812 20574 21463 24336 25272 26416 27378 27432 29718 30861 32258 33696 36504 36576 39624 41067 41148 42926 44577 48387 48672 50544 52832 54756 54864 59436 61722 64389 64516 73008 79248 82134 82296 85852 89154 96774 101088 109512 109728 118872 123444 128778 129032 133731 145161 146016 158496 164268 164592 171704 178308 193167 193548 209677 219024 237744 246888 257556 258064 267462 290322 328536 329184 343408 356616 386334 387096 401193 419354 435483 438048 475488 493776 515112 516128 534924 579501 580644 629031 657072 686816 713232 772668 774192 802386 838708 870966 987552 1030224 1069848 1159002 1161288 1258062 1306449 1314144 1426464 1545336 1548384 1604772 1677416 1738503 1741932 1887093 2060448 2139696 2318004 2322576 2516124 2612898 2725801 3090672 3209544 3354832 3477006 3483864 3774186 3919347 4279392 4636008 4645152 5032248 5215509 5225796 5451602 5661279 6181344 6419088 6709664 6954012 6967728 7548372 7838694 8177403 9272016 10064496 10431018 10451592 10903204 11322558 12838176 13908024 13935456 15096744 15677388 16354806 16983837 18544032 20128992 20862036 20903184 21806408 22645116 24532209 27816048 30193488 31354776 32709612 33967674 41724072 41806368 43612816 45290232 49064418 50951511 55632096 60386976 62709552 65419224 67935348 73596627 83448144 87225632 90580464 98128836 101903022 125419104 130838448 135870696 147193254 166896288 181160928 196257672 203806044 220789881 261676896 271741392 294386508 392515344 407612088 441579762 543482784 588773016 662369643 785030688 815224176 883159524 1177546032 1324739286 1630448352 1766319048 2355092064 2649478572 3532638096 5298957144 7065276192 10597914288 21195828576
• Sum of all divisors σ(n): 68223410892
• Sum of proper divisors (its aliquot sum) s(n): 47027582316
• 21195828576 is an abundant number, because the sum of its proper divisors (47027582316) is greater than itself. Its abundance is 25831753740

Bases of 21195828576

• Binary: 10011101111010111101010110101100000₂
• Hexadecimal: 0x4EF5EAD60
• Base-36: 9QJG600

Squares and roots of 21195828576

• 21195828576 squared (21195828576²) is 449263149023178187776
• 21195828576 cubed (21195828576³) is 9522504692209226718802434686976
• The square root of 21195828576 is 145587.8723520609
• The cube root of 21195828576 is 2767.4734692413

Scales and comparisons

• 21,195,828,576 seconds is equal to 673 years, 50 weeks, 2 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,195,828,576 would take you about one thousand, three hundred forty-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 21195828576 cubic inches would be around 230.6 feet tall.

Recreational maths with 21195828576

• 21195828576 backwards is 67582859112
• 21195828576 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21195828576's digits is 54
• More coming soon!