21685801273472

Names of 21685801273472

• Cardinal: 21685801273472 can be written as Twenty-one trillion, six hundred eighty-five billion, eight hundred one million, two hundred seventy-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1685801273472 × 10¹³

Factors of 21685801273472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 599

Divisors of 21685801273472

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 127 128 196 224 254 392 448 463 508 784 889 896 926 1016 1568 1778 1852 2032 3136 3241 3556 3704 4064 6223 6272 6482 7112 7408 8128 12446 12964 14224 14816 16129 16256 22687 24892 25928 28448 29632 32258 45374 49784 51856 56896 58801 59264 64516 90748 99568 103712 112903 113792 117602 129032 181496 199136 207424 214369 225806 235204 258064 362992 398272 411607 414848 428738 451612 470408 516128 725984 790321 796544 823214 857476 903224 940816 1032256 1451968 1500583 1580642 1646428 1714952 1806448 1881632 2064512 2881249 2903936 3001166 3161284 3292856 3429904 3612896 3763264 5762498 6002332 6322568 6585712 6859808 7225792 7467727 7526528 10504081 11524996 12004664 12645136 13171424 13719616 14451584 14935454 21008162 23049992 24009328 25290272 26342848 27224863 27439232 29870908 42016324 46099984 48018656 50580544 52274089 52685696 54449726 59741816 84032648 92199968 96037312 101161088 104548178 108899452 119483632 168065296 184399936 190574041 192074624 209096356 217798904 238967264 336130592 365918623 368799872 381148082 418192712 435597808 477934528 672261184 731837246 762296164 836385424 871195616 955869056 1334018287 1344522368 1463674492 1524592328 1672770848 1742391232 2668036574 2927348984 3049184656 3345541696 3457557601 3484782464 5336073148 5854697968 6098369312 6691083392 6915115202 10672146296 11709395936 12196738624 13830230404 21344292592 23418791872 24202903207 24393477248 27660460808 42688585184 46837583744 48405806414 55320921616 85377170368 96811612828 110641843232 169420322449 170754340736 193623225656 221283686464 338840644898 387246451312 442567372928 677681289796 774492902624 1355362579592 1548985805248 2710725159184 3097971610496 5421450318368 10842900636736 21685801273472
• Sum of all divisors σ(n): 50764070077335
• Sum of proper divisors (its aliquot sum) s(n): 29078268803863
• 21685801273472 is an abundant number, because the sum of its proper divisors (29078268803863) is greater than itself. Its abundance is 7392467530391

Bases of 21685801273472

• Binary: 100111011100100011110011110110100100010000000₂
• Hexadecimal: 0x13B91E7B4880
• Base-36: 7OQBI60ZK

Squares and roots of 21685801273472

• 21685801273472 squared (21685801273472²) is 470273976872519816930934784
• 21685801273472 cubed (21685801273472³) is 10198268006542832121802421845538581250048
• The square root of 21685801273472 is 4656801.6141416203
• The cube root of 21685801273472 is 27886.3596745997

Scales and comparisons

• 21,685,801,273,472 seconds is equal to 689,541 years, 20 weeks, 6 days, 7 hours, 4 minutes, 32 seconds.
• To count from 1 to 21,685,801,273,472 would take you about one million, seven hundred twenty-three thousand, eight hundred fifty-three 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 21685801273472 cubic inches would be around 2323.9 feet tall.

Recreational maths with 21685801273472

• 21685801273472 backwards is 27437210858612
• 21685801273472 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21685801273472's digits is 56
• More coming soon!