21109086800984

Names of 21109086800984

• Cardinal: 21109086800984 can be written as Twenty-one trillion, one hundred nine billion, eighty-six million, eight hundred thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1109086800984 × 10¹³

Factors of 21109086800984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2669

Divisors of 21109086800984

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 71 91 98 104 142 182 196 284 364 373 392 497 568 637 728 746 923 994 1274 1492 1846 1988 2203 2548 2611 2984 3479 3692 3976 4406 4849 5041 5096 5222 6461 6958 7384 8812 9698 10082 10444 12922 13916 15421 17624 18277 19396 20164 20888 25844 26483 27832 28639 30842 33943 35287 36554 38792 40328 45227 51688 52966 57278 61684 65533 67886 70574 73108 90454 105932 107947 114556 123368 131066 135772 141148 146216 156413 180908 185381 200473 211864 215894 229112 237601 247009 262132 271544 282296 312826 344279 361816 370762 400946 431788 458731 475202 494018 524264 625652 688558 741524 801892 821719 863576 917462 950404 988036 1094891 1251304 1297667 1377116 1403311 1483048 1603784 1643438 1834924 1880293 1900808 1976072 2033369 2189782 2409953 2595334 2754232 2806622 3211117 3286876 3669848 3760586 4066738 4379564 4819906 5190668 5613244 5752033 6422234 6573752 7521172 7664237 8133476 8759128 9639812 10381336 10682347 11105323 11226488 11504066 12844468 13162051 14233583 15042344 15328474 16266952 16869671 19279624 21364694 22210646 23008132 24443809 25688936 26324102 28467166 30656948 33739342 40264231 42729388 44421292 46016264 48887618 52648204 56934332 58342049 61313896 67478684 74776429 77737261 80528462 85458776 88842584 92134357 97775236 99635081 105296408 113868664 116684098 134957368 144369199 149552858 155474522 161056924 171106663 184268714 195550472 199270162 233368196 288738398 299105716 310949044 322113848 342213326 368537428 398540324 408394343 466736392 523435003 544160827 577476796 598211432 621898088 684426652 737074856 758446637 797080648 816788686 1010584393 1046870006 1088321654 1154953592 1197746641 1368853304 1516893274 1633577372 2021168786 2093740012 2176643308 2395493282 2858760401 3033786548 3267154744 4042337572 4142285479 4187480024 4353286616 4790986564 5309126459 5717520802 6067573096 7074090751 8084675144 8284570958 9581973128 10618252918 11435041604 14148181502 16569141916 21236505836 22870083208 28296363004 28995998353 33138283832 37163885213 42473011672 53849711227 56592726008 57991996706 74327770426 107699422454 115983993412 148655540852 202971988471 215398844908 231967986824 297311081704 376947978589 405943976942 430797689816 753895957178 811887953884 1507791914356 1623775907768 2638635850123 3015583828712 5277271700246 10554543400492 21109086800984
• Sum of all divisors σ(n): 50449066612560
• Sum of proper divisors (its aliquot sum) s(n): 29339979811576
• 21109086800984 is an abundant number, because the sum of its proper divisors (29339979811576) is greater than itself. Its abundance is 8230893010592

Bases of 21109086800984

• Binary: 100110011001011010111100111101100110001011000₂
• Hexadecimal: 0x1332D79ECC58
• Base-36: 7HDDP9E1K

Squares and roots of 21109086800984

• 21109086800984 squared (21109086800984²) is 445593545571476922823368256
• 21109086800984 cubed (21109086800984³) is 9406072831426526016917714876326815163904
• The square root of 21109086800984 is 4594462.6237443699
• The cube root of 21109086800984 is 27636.9310628945

Scales and comparisons

• 21,109,086,800,984 seconds is equal to 671,203 years, 34 weeks, 4 days, 6 hours, 29 minutes, 44 seconds.
• To count from 1 to 21,109,086,800,984 would take you about one million, six hundred seventy-eight thousand and nine 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 21109086800984 cubic inches would be around 2303.1 feet tall.

Recreational maths with 21109086800984

• 21109086800984 backwards is 48900868090112
• 21109086800984 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21109086800984's digits is 56
• More coming soon!