18210160640

Names of 18210160640

• Cardinal: 18210160640 can be written as Eighteen billion, two hundred ten million, one hundred sixty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.821016064 × 10¹⁰

Factors of 18210160640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 498

Divisors of 18210160640

• Number of divisors d(n): 272
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 64 68 70 80 85 112 119 128 136 140 160 170 224 238 256 272 280 320 340 448 467 476 512 544 560 595 640 680 896 934 952 1024 1088 1120 1190 1280 1360 1792 1868 1904 2048 2176 2240 2335 2380 2560 2720 3269 3584 3736 3808 4096 4352 4480 4670 4760 5120 5440 6538 7168 7472 7616 7939 8192 8704 8960 9340 9520 10240 10880 13076 14336 14944 15232 15878 16345 16384 17408 17920 18680 19040 20480 21760 26152 28672 29888 30464 31756 32690 32768 34816 35840 37360 38080 39695 40960 43520 52304 55573 57344 59776 60928 63512 65380 65536 69632 71680 74720 76160 79390 81920 87040 104608 111146 114688 119552 121856 127024 130760 139264 143360 149440 152320 158780 163840 174080 209216 222292 229376 239104 243712 254048 261520 277865 278528 286720 298880 304640 317560 327680 348160 418432 444584 458752 478208 487424 508096 523040 555730 557056 573440 597760 609280 635120 696320 836864 889168 956416 974848 1016192 1046080 1111460 1114112 1146880 1195520 1218560 1270240 1392640 1673728 1778336 1912832 1949696 2032384 2092160 2222920 2293760 2391040 2437120 2540480 2785280 3347456 3556672 3825664 3899392 4064768 4184320 4445840 4782080 4874240 5080960 5570560 6694912 7113344 7651328 7798784 8129536 8368640 8891680 9564160 9748480 10161920 13389824 14226688 15302656 16259072 16737280 17783360 19128320 19496960 20323840 26779648 28453376 30605312 32518144 33474560 35566720 38256640 38993920 40647680 53559296 56906752 65036288 66949120 71133440 76513280 81295360 107118592 113813504 130072576 133898240 142266880 153026560 162590720 214237184 227627008 260145152 267796480 284533760 325181440 455254016 520290304 535592960 569067520 650362880 910508032 1071185920 1138135040 1300725760 1821016064 2276270080 2601451520 3642032128 4552540160 9105080320 18210160640
• Sum of all divisors σ(n): 52998820992
• Sum of proper divisors (its aliquot sum) s(n): 34788660352
• 18210160640 is an abundant number, because the sum of its proper divisors (34788660352) is greater than itself. Its abundance is 16578499712

Bases of 18210160640

• Binary: 10000111101011010010000000000000000₂
• Hexadecimal: 0x43D690000
• Base-36: 8D5UXVK

Squares and roots of 18210160640

• 18210160640 squared (18210160640²) is 331609950534605209600
• 18210160640 cubed (18210160640³) is 6038670469057614745796870144000
• The square root of 18210160640 is 134945.0282151959
• The cube root of 18210160640 is 2630.9015226823

Scales and comparisons

• 18,210,160,640 seconds is equal to 579 years, 1 week, 2 days, 17 hours, 57 minutes, 20 seconds.
• To count from 1 to 18,210,160,640 would take you about one thousand, one hundred fifty-eight 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 18210160640 cubic inches would be around 219.2 feet tall.

Recreational maths with 18210160640

• 18210160640 backwards is 04606101281
• The number of decimal digits it has is: 11
• The sum of 18210160640's digits is 29
• More coming soon!