18973984320

Names of 18973984320

• Cardinal: 18973984320 can be written as Eighteen billion, nine hundred seventy-three million, nine hundred eighty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.897398432 × 10¹⁰

Factors of 18973984320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 136

Divisors of 18973984320

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 32 36 40 45 46 48 54 60 64 69 72 80 81 90 92 96 103 108 115 120 135 138 144 160 162 180 184 192 206 207 216 230 240 243 270 276 288 309 320 324 345 360 368 405 412 414 432 460 480 486 515 540 552 576 618 621 648 690 720 736 810 824 828 864 920 927 960 972 1030 1035 1080 1104 1215 1236 1242 1296 1380 1440 1472 1545 1620 1648 1656 1728 1840 1854 1863 1944 2060 2070 2160 2208 2369 2430 2472 2484 2592 2760 2781 2880 3090 3105 3240 3296 3312 3680 3708 3726 3888 4120 4140 4320 4416 4635 4738 4860 4944 4968 5184 5520 5562 5589 6180 6210 6480 6592 6624 7107 7360 7416 7452 7776 8240 8280 8343 8640 9270 9315 9476 9720 9888 9936 10609 11040 11124 11178 11845 12360 12420 12960 13248 13905 14214 14832 14904 15552 16480 16560 16686 18540 18630 18952 19440 19776 19872 21218 21321 22080 22248 22356 23690 24720 24840 25029 25920 27810 27945 28428 29664 29808 31827 32960 33120 33372 35535 37080 37260 37904 38880 39744 41715 42436 42642 44496 44712 47380 49440 49680 50058 53045 55620 55890 56856 59328 59616 63654 63963 66240 66744 71070 74160 74520 75808 77760 83430 84872 85284 88992 89424 94760 95481 98880 99360 100116 106090 106605 111240 111780 113712 119232 125145 127308 127926 133488 142140 148320 149040 151616 159135 166860 169744 170568 177984 178848 189520 190962 191889 198720 200232 212180 213210 222480 223560 227424 244007 250290 254616 255852 266976 284280 286443 296640 298080 318270 319815 333720 339488 341136 357696 379040 381924 383778 400464 424360 426420 444960 447120 454848 477405 488014 500580 509232 511704 533952 568560 572886 575667 596160 636540 639630 667440 678976 682272 732021 758080 763848 767556 800928 848720 852840 859329 889920 894240 954810 959445 976028 1001160 1018464 1023408 1137120 1145772 1151334 1220035 1273080 1279260 1334880 1364544 1432215 1464042 1527696 1535112 1601856 1697440 1705680 1718658 1788480 1909620 1918890 1952056 2002320 2036928 2046816 2196063 2274240 2291544 2302668 2440070 2546160 2558520 2577987 2669760 2864430 2878335 2928084 3055392 3070224 3394880 3411360 3437316 3660105 3819240 3837780 3904112 4004640 4093632 4296645 4392126 4583088 4605336 4880140 5092320 5117040 5155974 5728860 5756670 5856168 6110784 6140448 6588189 6822720 6874632 7320210 7638480 7675560 7808224 8009280 8593290 8784252 9166176 9210672 9760280 10184640 10234080 10311948 10980315 11457720 11513340 11712336 12280896 12889935 13176378 13749264 14640420 15276960 15351120 15616448 17186580 17568504 18332352 18421344 19520560 19764567 20468160 20623896 21960630 22915440 23026680 23424672 25779870 26352756 27498528 29280840 30553920 30702240 32940945 34373160 35137008 36842688 39041120 39529134 41247792 43921260 45830880 46053360 46849344 51559740 52705512 54997056 58561680 59293701 61404480 65881890 68746320 70274016 78082240 79058268 82495584 87842520 91661760 92106720 98822835 103119480 105411024 117123360 118587402 131763780 137492640 140548032 158116536 164991168 175685040 184213440 197645670 206238960 210822048 234246720 237174804 263527560 274985280 296468505 316233072 351370080 395291340 412477920 421644096 474349608 527055120 592937010 632466144 702740160 790582680 824955840 948699216 1054110240 1185874020 1264932288 1581165360 1897398432 2108220480 2371748040 3162330720 3794796864 4743496080 6324661440 9486992160 18973984320
• Sum of all divisors σ(n): 71314641216
• Sum of proper divisors (its aliquot sum) s(n): 52340656896
• 18973984320 is an abundant number, because the sum of its proper divisors (52340656896) is greater than itself. Its abundance is 33366672576

Bases of 18973984320

• Binary: 10001101010111100000000011001000000₂
• Hexadecimal: 0x46AF00640
• Base-36: 8PSMC00

Squares and roots of 18973984320

• 18973984320 squared (18973984320²) is 360012080975605862400
• 18973984320 cubed (18973984320³) is 6830863579441715935677677568000
• The square root of 18973984320 is 137746.0864053857
• The cube root of 18973984320 is 2667.1831927217

Scales and comparisons

• 18,973,984,320 seconds is equal to 603 years, 16 weeks, 2 days, 7 hours, 12 minutes.
• To count from 1 to 18,973,984,320 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 18973984320 cubic inches would be around 222.3 feet tall.

Recreational maths with 18973984320

• 18973984320 backwards is 02348937981
• 18973984320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18973984320's digits is 54
• More coming soon!