21041022128

Names of 21041022128

• Cardinal: 21041022128 can be written as Twenty-one billion, forty-one million, twenty-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1041022128 × 10¹⁰

Factors of 21041022128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1405

Divisors of 21041022128

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 34 43 56 68 86 112 119 136 172 233 238 272 301 344 466 476 602 688 731 932 952 1103 1204 1462 1631 1864 1904 2206 2408 2924 3262 3728 3961 4412 4816 5117 5848 6524 7721 7922 8824 10019 10234 11696 13048 15442 15844 17648 18751 20038 20468 26096 27727 30884 31688 37502 40076 40936 47429 55454 61768 63376 70133 75004 80152 81872 94858 110908 123536 131257 140266 150008 160304 170323 189716 221816 256999 262514 280532 300016 332003 340646 379432 443632 513998 525028 561064 664006 681292 758864 806293 1027996 1050056 1122128 1192261 1328012 1362584 1612586 1798993 2055992 2100112 2384522 2656024 2725168 3225172 3597986 4111984 4368983 4769044 5312048 5644051 6450344 7195972 8737966 9538088 11050957 11288102 12900688 14391944 17475932 19076176 22101914 22576204 28783888 30582881 34951864 44203828 45152408 61165762 69903728 77356699 88407656 90304816 122331524 154713398 176815312 187866269 244663048 309426796 375732538 489326096 618853592 751465076 1237707184 1315063883 1502930152 2630127766 3005860304 5260255532 10520511064 21041022128
• Sum of all divisors σ(n): 50741323776
• Sum of proper divisors (its aliquot sum) s(n): 29700301648
• 21041022128 is an abundant number, because the sum of its proper divisors (29700301648) is greater than itself. Its abundance is 8659279520

Bases of 21041022128

• Binary: 10011100110001001001000010010110000₂
• Hexadecimal: 0x4E62484B0
• Base-36: 9NZA4KW

Squares and roots of 21041022128

• 21041022128 squared (21041022128²) is 442724612190985648384
• 21041022128 cubed (21041022128³) is 9315378361720747589778171441152
• The square root of 21041022128 is 145055.2381956611
• The cube root of 21041022128 is 2760.7194672699

Scales and comparisons

• 21,041,022,128 seconds is equal to 669 years, 2 weeks, 8 hours, 22 minutes, 8 seconds.
• To count from 1 to 21,041,022,128 would take you about one thousand, three hundred thirty-eight 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 21041022128 cubic inches would be around 230.1 feet tall.

Recreational maths with 21041022128

• 21041022128 backwards is 82122014012
• The number of decimal digits it has is: 11
• The sum of 21041022128's digits is 23
• More coming soon!