16390646428724640

Names of 16390646428724640

• Cardinal: 16390646428724640 can be written as Sixteen quadrillion, three hundred ninety trillion, six hundred forty-six billion, four hundred twenty-eight million, seven hundred twenty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.639064642872464 × 10¹⁶

Factors of 16390646428724640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 39385444156

Divisors of 16390646428724640

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 68 72 80 85 90 96 102 120 136 144 153 160 170 180 204 240 255 272 288 289 306 340 360 408 480 510 544 578 612 680 720 765 816 867 1020 1156 1224 1360 1440 1445 1530 1632 1734 2040 2312 2448 2601 2720 2890 3060 3468 4080 4335 4624 4896 5202 5780 6120 6936 8160 8670 9248 10404 11560 12240 13005 13872 17340 20808 23120 24480 26010 27744 34680 41616 46240 52020 69360 83232 104040 138720 208080 416160 39385444129 78770888258 118156332387 157541776516 196927220645 236312664774 315083553032 354468997161 393854441290 472625329548 590781661935 630167106064 669552550193 708937994322 787708882580 945250659096 1181563323870 1260334212128 1339105100386 1417875988644 1575417765160 1772344985805 1890501318192 2008657650579 2363126647740 2678210200772 2835751977288 3150835530320 3347762750965 3544689971610 3781002636384 4017315301158 4726253295480 5356420401544 5671503954576 6025972951737 6301671060640 6695525501930 7089379943220 8034630602316 9452506590960 10043288252895 10712840803088 11343007909152 11382393353281 12051945903474 13391051003860 14178759886440 16069261204632 18905013181920 20086576505790 21425681606176 22764786706562 24103891806948 26782102007720 28357519772880 30129864758685 32138522409264 34147180059843 40173153011580 45529573413124 48207783613896 53564204015440 56715039545760 56911966766405 60259729517370 64277044818528 68294360119686 80346306023160 91059146826248 96415567227792 102441540179529 107128408030880 113823933532810 120519459034740 136588720239372 160692612046320 170735900299215 182118293652496 192831134455584 204883080359058 227647867065620 241038918069480 273177440478744 321385224092640 341471800598430 364236587304992 409766160718116 455295734131240 482077836138960 512207700897645 546354880957488 682943601196860 819532321436232 910591468262480 964155672277920 1024415401795290 1092709761914976 1365887202393720 1639064642872464 1821182936524960 2048830803590580 2731774404787440 3278129285744928 4097661607181160 5463548809574880 8195323214362320 16390646428724640
• Sum of all divisors σ(n): 59416802243629740
• Sum of proper divisors (its aliquot sum) s(n): 43026155814905100
• 16390646428724640 is an abundant number, because the sum of its proper divisors (43026155814905100) is greater than itself. Its abundance is 26635509386180460

Bases of 16390646428724640

• Binary: 111010001110110011010011000010000001011110110110100000₂
• Hexadecimal: 0x3A3B34C205EDA0
• Base-36: 4HDZZ0PPNS0

Squares and roots of 16390646428724640

• 16390646428724640 squared (16390646428724640²) is 268653290351463795239696943129600
• 16390646428724640 cubed (16390646428724640³) is 4403401094064343840337146829292191373938233344000
• The square root of 16390646428724640 is 128025959.9797034915
• The cube root of 16390646428724640 is 254018.5079034705

Scales and comparisons

• 16,390,646,428,724,640 seconds is equal to 521,171,856 years, 43 weeks, 3 days, 24 minutes.
• To count from 1 to 16,390,646,428,724,640 would take you about one billion, five hundred sixty-three million, five hundred fifteen thousand, five hundred seventy 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 16390646428724640 cubic inches would be around 21168.2 feet tall.

Recreational maths with 16390646428724640

• 16390646428724640 backwards is 04642782464609361
• 16390646428724640 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 16390646428724640's digits is 72
• More coming soon!