21162252160

Names of 21162252160

• Cardinal: 21162252160 can be written as Twenty-one billion, one hundred sixty-two million, two hundred fifty-two thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.116225216 × 10¹⁰

Factors of 21162252160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 96

Divisors of 21162252160

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 23 28 32 35 40 46 56 59 64 70 80 92 112 115 118 128 140 160 161 184 224 230 236 280 295 320 322 368 413 448 460 472 560 590 640 644 736 805 826 896 920 944 1120 1180 1288 1357 1472 1610 1652 1840 1888 2065 2240 2360 2576 2714 2944 3220 3304 3481 3680 3776 4130 4480 4720 5152 5428 6440 6608 6785 6962 7360 7552 8260 9440 9499 10304 10856 12880 13216 13570 13924 14720 16520 17405 18880 18998 20608 21712 24367 25760 26432 27140 27848 33040 34810 37760 37996 43424 47495 48734 51520 52864 54280 55696 66080 69620 75992 80063 86848 94990 97468 103040 108560 111392 121835 132160 139240 151984 160126 173696 189980 194936 205379 217120 222784 243670 264320 278480 303968 320252 379960 389872 400315 410758 434240 445568 487340 556960 560441 607936 640504 759920 779744 800630 821516 868480 974680 1026895 1113920 1120882 1215872 1281008 1437653 1519840 1559488 1601260 1643032 1949360 2053790 2227840 2241764 2562016 2802205 2875306 3039680 3118976 3202520 3286064 3898720 4107580 4483528 4723717 5124032 5604410 5750612 6079360 6405040 6572128 7188265 7797440 8215160 8967056 9447434 10248064 11208820 11501224 12810080 13144256 14376530 15594880 16430320 17934112 18894868 22417640 23002448 23618585 25620160 26288512 28753060 32860640 33066019 35868224 37789736 44835280 46004896 47237170 51240320 57506120 65721280 66132038 71736448 75579472 89670560 92009792 94474340 115012240 131442560 132264076 151158944 165330095 179341120 184019584 188948680 230024480 264528152 302317888 330660190 358682240 377897360 460048960 529056304 604635776 661320380 755794720 920097920 1058112608 1322640760 1511589440 2116225216 2645281520 3023178880 4232450432 5290563040 10581126080 21162252160
• Sum of all divisors σ(n): 61372339200
• Sum of proper divisors (its aliquot sum) s(n): 40210087040
• 21162252160 is an abundant number, because the sum of its proper divisors (40210087040) is greater than itself. Its abundance is 19047834880

Bases of 21162252160

• Binary: 10011101101010111100101011110000000₂
• Hexadecimal: 0x4ED5E5780
• Base-36: 9PZGI9S

Squares and roots of 21162252160

• 21162252160 squared (21162252160²) is 447840916483424665600
• 21162252160 cubed (21162252160³) is 9477322402187733233790877696000
• The square root of 21162252160 is 145472.5134174837
• The cube root of 21162252160 is 2766.0113741669

Scales and comparisons

• 21,162,252,160 seconds is equal to 672 years, 46 weeks, 3 days, 11 hours, 22 minutes, 40 seconds.
• To count from 1 to 21,162,252,160 would take you about one thousand, three hundred forty-five 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 21162252160 cubic inches would be around 230.5 feet tall.

Recreational maths with 21162252160

• 21162252160 backwards is 06125226112
• 21162252160 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21162252160's digits is 28
• More coming soon!