18972219200

Names of 18972219200

• Cardinal: 18972219200 can be written as Eighteen billion, nine hundred seventy-two million, two hundred nineteen thousand, two hundred.

Scientific notation

• Scientific notation: 1.89722192 × 10¹⁰

Factors of 18972219200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 114

Divisors of 18972219200

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 43 44 50 53 55 64 80 86 88 100 106 110 121 160 172 176 200 212 215 220 242 265 275 320 344 352 400 424 430 440 473 484 530 550 583 605 688 704 800 848 860 880 946 968 1060 1075 1100 1166 1210 1325 1376 1600 1696 1720 1760 1849 1892 1936 2120 2150 2200 2279 2332 2365 2420 2650 2752 2915 3025 3392 3440 3520 3698 3784 3872 4240 4300 4400 4558 4664 4730 4840 5203 5300 5830 6050 6413 6880 7396 7568 7744 8480 8600 8800 9116 9245 9328 9460 9680 10406 10600 11395 11660 11825 12100 12826 13760 14575 14792 15136 16960 17200 17600 18232 18490 18656 18920 19360 20339 20812 21200 22790 23320 23650 24200 25069 25652 26015 29150 29584 30272 32065 34400 36464 36980 37312 37840 38720 40678 41624 42400 45580 46225 46640 47300 48400 50138 51304 52030 56975 58300 59168 64130 68800 72928 73960 75680 81356 83248 84800 91160 92450 93280 94600 96800 97997 100276 101695 102608 104060 113950 116600 118336 125345 128260 130075 145856 147920 151360 160325 162712 166496 182320 184900 186560 189200 193600 195994 200552 203390 205216 208120 223729 227900 233200 250690 256520 260150 275759 295840 320650 325424 332992 364640 369800 378400 391988 401104 406780 410432 416240 447458 455800 466400 489985 501380 508475 513040 520300 551518 591680 626725 641300 650848 729280 739600 756800 783976 802208 813560 832480 894916 911600 932800 979970 1002760 1016950 1026080 1040600 1077967 1103036 1118645 1253450 1282600 1301696 1378795 1479200 1567952 1604416 1627120 1664960 1789832 1823200 1959940 2005520 2033900 2052160 2081200 2155934 2206072 2237290 2449925 2506900 2565200 2757590 2958400 3135904 3254240 3579664 3646400 3919880 4011040 4067800 4162400 4311868 4412144 4474580 4899850 5013800 5130400 5389835 5515180 5593225 6271808 6508480 6893975 7159328 7839760 8022080 8135600 8324800 8623736 8824288 8949160 9799700 10027600 10260800 10779670 11030360 11186450 11857637 13787950 14318656 15679520 16271200 17247472 17648576 17898320 19599400 20055200 21559340 22060720 22372900 23715274 26949175 27575900 31359040 32542400 34494944 35796640 39198800 40110400 43118680 44121440 44745800 47430548 53898350 55151800 59288185 68989888 71593280 78397600 86237360 88242880 89491600 94861096 107796700 110303600 118576370 156795200 172474720 178983200 189722192 215593400 220607200 237152740 296440925 344949440 357966400 379444384 431186800 441214400 474305480 592881850 758888768 862373600 948610960 1185763700 1724747200 1897221920 2371527400 3794443840 4743054800 9486109600 18972219200
• Sum of all divisors σ(n): 53525585862
• Sum of proper divisors (its aliquot sum) s(n): 34553366662
• 18972219200 is an abundant number, because the sum of its proper divisors (34553366662) is greater than itself. Its abundance is 15581147462

Bases of 18972219200

• Binary: 10001101010110101010001011101000000₂
• Hexadecimal: 0x46AD51740
• Base-36: 8PRKI0W

Squares and roots of 18972219200

• 18972219200 squared (18972219200²) is 359945101372848640000
• 18972219200 cubed (18972219200³) is 6828957363211905326501888000000
• The square root of 18972219200 is 137739.6791051875
• The cube root of 18972219200 is 2667.1004822005

Scales and comparisons

• 18,972,219,200 seconds is equal to 603 years, 13 weeks, 2 days, 20 hours, 53 minutes, 20 seconds.
• To count from 1 to 18,972,219,200 would take you about one thousand, two hundred six 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 18972219200 cubic inches would be around 222.3 feet tall.

Recreational maths with 18972219200

• 18972219200 backwards is 00291227981
• The number of decimal digits it has is: 11
• The sum of 18972219200's digits is 41
• More coming soon!