21439413800

Names of 21439413800

• Cardinal: 21439413800 can be written as Twenty-one billion, four hundred thirty-nine million, four hundred thirteen thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14394138 × 10¹⁰

Factors of 21439413800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 348

Divisors of 21439413800

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 19 20 25 28 35 38 40 50 56 61 70 73 76 95 100 122 133 140 146 152 175 181 190 200 244 266 280 292 305 350 362 365 380 427 475 488 511 532 584 610 665 700 724 730 760 854 905 950 1022 1064 1159 1220 1267 1330 1387 1400 1448 1460 1525 1708 1810 1825 1900 2044 2135 2318 2440 2534 2555 2660 2774 2920 3050 3325 3416 3439 3620 3650 3800 4088 4270 4453 4525 4636 5068 5110 5320 5548 5795 6100 6335 6650 6878 6935 7240 7300 8113 8540 8906 9050 9272 9709 10136 10220 10675 11041 11096 11590 12200 12670 12775 13213 13300 13756 13870 14600 16226 17080 17195 17812 18100 19418 20440 21350 22082 22265 23180 24073 25340 25550 26426 26600 27512 27740 28975 31171 31675 32452 34390 34675 35624 36200 38836 40565 42700 44164 44530 46360 48146 48545 50680 51100 52852 55205 55480 57950 62342 63350 64904 66065 68780 69350 77287 77672 81130 84607 85400 85975 88328 89060 92491 96292 97090 102200 105704 110410 111325 115900 120365 124684 126700 132130 137560 138700 154574 155855 162260 169214 171950 178120 184982 192584 194180 202825 209779 220820 222650 231800 240730 242725 249368 251047 253400 264260 276025 277400 309148 311710 324520 330325 338428 343900 369964 386435 388360 405650 419558 423035 441640 445300 462455 481460 485450 502094 528520 552050 592249 601825 618296 623420 660650 676856 687800 739928 772870 779275 805993 811300 839116 846070 890600 924910 962920 970900 1004188 1048895 1104100 1184498 1203650 1246840 1255235 1321300 1468453 1545740 1558550 1611986 1622600 1678232 1692140 1757329 1849820 1932175 1941800 2008376 2097790 2115175 2208200 2312275 2368996 2407300 2510470 2642600 2936906 2961245 3091480 3117100 3223972 3384280 3514658 3699640 3864350 4029965 4195580 4230350 4624550 4737992 4814600 5020940 5244475 5641951 5873812 5922490 6234200 6276175 6447944 7029316 7342265 7728700 8059930 8391160 8460700 8786645 9249100 10041880 10488950 11283902 11747624 11844980 12552350 14058632 14684530 14806225 15313867 15457400 16119860 16921400 17573290 18498200 20149825 20977900 22567804 23689960 25104700 28209755 29369060 29612450 30627734 32239720 35146580 36711325 40299650 41955800 43933225 45135608 50209400 56419510 58738120 59224900 61255468 70293160 73422650 76569335 80599300 87866450 107197069 112839020 118449800 122510936 141048775 146845300 153138670 161198600 175732900 214394138 225678040 282097550 293690600 306277340 351465800 382846675 428788276 535985345 564195100 612554680 765693350 857576552 1071970690 1128390200 1531386700 2143941380 2679926725 3062773400 4287882760 5359853450 10719706900 21439413800
• Sum of all divisors σ(n): 62125190400
• Sum of proper divisors (its aliquot sum) s(n): 40685776600
• 21439413800 is an abundant number, because the sum of its proper divisors (40685776600) is greater than itself. Its abundance is 19246362800

Bases of 21439413800

• Binary: 10011111101111000110111111000101000₂
• Hexadecimal: 0x4FDE37E28
• Base-36: 9UKH1K8

Squares and roots of 21439413800

• 21439413800 squared (21439413800²) is 459648464087630440000
• 21439413800 cubed (21439413800³) is 9854593624109148464636072000000
• The square root of 21439413800 is 146422.0400076437
• The cube root of 21439413800 is 2778.0345042841

Scales and comparisons

• 21,439,413,800 seconds is equal to 681 years, 36 weeks, 5 days, 8 hours, 43 minutes, 20 seconds.
• To count from 1 to 21,439,413,800 would take you about one thousand, three hundred sixty-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 21439413800 cubic inches would be around 231.5 feet tall.

Recreational maths with 21439413800

• 21439413800 backwards is 00831493412
• 21439413800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21439413800's digits is 35
• More coming soon!