990216978432

Names of 990216978432

• Cardinal: 990216978432 can be written as Nine hundred ninety billion, two hundred sixteen million, nine hundred seventy-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 9.90216978432 × 10¹¹

Factors of 990216978432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 59

Divisors of 990216978432

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 43 44 48 64 66 86 88 96 121 128 129 132 172 176 192 242 256 258 264 344 352 363 384 473 484 512 516 528 688 704 726 768 946 968 1024 1032 1056 1331 1376 1408 1419 1452 1536 1892 1936 2048 2064 2112 2662 2752 2816 2838 2904 3072 3784 3872 3993 4096 4128 4224 5203 5324 5504 5632 5676 5808 6144 7568 7744 7986 8192 8256 8448 10406 10648 11008 11264 11352 11616 12288 14641 15136 15488 15609 15972 16384 16512 16896 20812 21296 22016 22528 22704 23232 24576 29282 30272 30976 31218 31944 32768 33024 33792 41624 42592 43923 44032 45056 45408 46464 49152 57233 58564 60544 61952 62436 63888 65536 66048 67584 83248 85184 87846 88064 90112 90816 92928 98304 114466 117128 121088 123904 124872 127776 131072 132096 135168 166496 170368 171699 175692 176128 180224 181632 185856 196608 228932 234256 242176 247808 249744 255552 262144 264192 270336 332992 340736 343398 351384 352256 360448 363264 371712 393216 457864 468512 484352 495616 499488 511104 524288 528384 540672 629563 665984 681472 686796 702768 704512 720896 726528 743424 786432 915728 937024 968704 991232 998976 1022208 1056768 1081344 1259126 1331968 1362944 1373592 1405536 1409024 1441792 1453056 1486848 1572864 1831456 1874048 1888689 1937408 1982464 1997952 2044416 2113536 2162688 2518252 2663936 2725888 2747184 2811072 2818048 2883584 2906112 2973696 3662912 3748096 3777378 3874816 3964928 3995904 4088832 4227072 4325376 5036504 5327872 5451776 5494368 5622144 5636096 5767168 5812224 5947392 7325824 7496192 7554756 7749632 7929856 7991808 8177664 8454144 8650752 10073008 10655744 10903552 10988736 11244288 11272192 11624448 11894784 14651648 14992384 15109512 15499264 15859712 15983616 16355328 16908288 17301504 20146016 21311488 21807104 21977472 22488576 22544384 23248896 23789568 29303296 29984768 30219024 30998528 31719424 31967232 32710656 33816576 40292032 42622976 43614208 43954944 44977152 46497792 47579136 58606592 59969536 60438048 61997056 63438848 63934464 65421312 67633152 80584064 85245952 87228416 87909888 89954304 92995584 95158272 117213184 119939072 120876096 123994112 127868928 130842624 161168128 170491904 174456832 175819776 179908608 185991168 190316544 234426368 239878144 241752192 247988224 255737856 261685248 322336256 340983808 348913664 351639552 359817216 371982336 468852736 479756288 483504384 511475712 523370496 644672512 681967616 697827328 703279104 719634432 743964672 937705472 959512576 967008768 1022951424 1046740992 1289345024 1363935232 1406558208 1439268864 1875410944 1919025152 1934017536 2045902848 2093481984 2578690048 2727870464 2813116416 2878537728 3750821888 3838050304 3868035072 4091805696 5157380096 5626232832 5757075456 7501643776 7676100608 7736070144 8183611392 10314760192 11252465664 11514150912 15003287552 15472140288 20629520384 22504931328 23028301824 30006575104 30944280576 41259040768 45009862656 61888561152 82518081536 90019725312 123777122304 165036163072 247554244608 330072326144 495108489216 990216978432
• Sum of all divisors σ(n): 2972164866000
• Sum of proper divisors (its aliquot sum) s(n): 1981947887568
• 990216978432 is an abundant number, because the sum of its proper divisors (1981947887568) is greater than itself. Its abundance is 991730909136

Bases of 990216978432

• Binary: 1110011010001101100010000000000000000000₂
• Hexadecimal: 0xE68D880000
• Base-36: CMWDMEIO

Squares and roots of 990216978432

• 990216978432 squared (990216978432²) is 980529664374999953178624
• 990216978432 cubed (990216978432³) is 970937121520355527396678531251437568
• The square root of 990216978432 is 995096.4668975565
• The cube root of 990216978432 is 9967.2830046627

Scales and comparisons

• 990,216,978,432 seconds is equal to 31,485 years, 43 weeks, 3 days, 15 hours, 47 minutes, 12 seconds.
• To count from 1 to 990,216,978,432 would take you about sixty-two thousand, nine hundred seventy-one 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 990216978432 cubic inches would be around 830.6 feet tall.

Recreational maths with 990216978432

• 990216978432 backwards is 234879612099
• The number of decimal digits it has is: 12
• The sum of 990216978432's digits is 60
• More coming soon!