18021544464

Names of 18021544464

• Cardinal: 18021544464 can be written as Eighteen billion, twenty-one million, five hundred forty-four thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8021544464 × 10¹⁰

Factors of 18021544464

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 314

Divisors of 18021544464

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 31 33 42 44 48 56 62 66 77 79 84 88 93 112 121 124 132 154 158 168 176 181 186 217 231 237 242 248 264 308 316 336 341 362 363 372 434 462 474 484 496 528 543 553 616 632 651 682 724 726 744 847 868 869 924 948 968 1023 1086 1106 1232 1264 1267 1302 1364 1448 1452 1488 1659 1694 1736 1738 1848 1896 1936 1991 2046 2172 2212 2387 2449 2534 2541 2604 2607 2728 2896 2904 3318 3388 3472 3476 3696 3751 3792 3801 3982 4092 4344 4424 4774 4898 5068 5082 5208 5214 5456 5611 5808 5973 6083 6636 6776 6952 7161 7347 7502 7602 7964 8184 8688 8848 9548 9559 9796 10136 10164 10416 10428 11222 11253 11946 12166 13272 13552 13904 13937 14299 14322 14694 15004 15204 15928 16368 16833 17143 18249 19096 19118 19592 20272 20328 20856 21901 22444 22506 23892 24332 26257 26544 26939 27874 28598 28644 28677 29388 30008 30408 31856 33666 34286 36498 38192 38236 39184 39277 40656 41712 41811 42897 43802 44888 45012 47784 48664 51429 52514 53878 55748 57196 57288 57354 58776 60016 60816 61721 65703 66913 67332 68572 72996 76472 78554 78771 80817 83622 85794 87604 89776 90024 95568 97328 100093 102858 105028 107756 111496 114392 114576 114708 117552 117831 123442 131406 133826 134664 137144 145992 152944 153307 157108 157289 157542 161634 167244 171588 175208 180048 185163 188573 200186 200739 205716 210056 215512 222992 228784 229416 235662 246884 262812 267652 269328 274288 291984 296329 300279 306614 314216 314578 315084 323268 334488 343176 350416 370326 377146 400372 401478 411432 420112 431024 432047 443269 458832 459921 471324 471867 493768 525624 535304 565719 592658 600558 613228 628432 629156 630168 646536 668976 678931 686352 740652 754292 800744 802956 822864 864094 886538 888987 919842 942648 943734 987536 1051248 1070608 1101023 1131438 1185316 1201116 1226456 1258312 1260336 1293072 1296141 1329807 1357862 1481304 1508584 1601488 1605912 1728188 1730179 1773076 1777974 1839684 1885296 1887468 2036793 2074303 2202046 2262876 2370632 2402232 2452912 2516624 2592282 2659614 2715724 2962608 3017168 3102883 3211824 3303069 3456376 3460358 3546152 3555948 3679368 3774936 4073586 4148606 4404092 4525752 4741264 4752517 4804464 4875959 5184564 5190537 5319228 5431448 6205766 6222909 6606138 6912752 6920716 7092304 7111896 7358736 7549872 8147172 8297212 8808184 9051504 9308649 9505034 9751918 10369128 10381074 10638456 10862896 12111253 12411532 12445818 13212276 13841432 14223792 14257551 14627877 16294344 16594424 17616368 18617298 19010068 19503836 20738256 20762148 21276912 24222506 24823064 24891636 26424552 27682864 28515102 29255754 32588688 33188848 34131713 36333759 37234596 38020136 39007672 41524296 48445012 49646128 49783272 52849104 53635549 57030204 58511508 68263426 72667518 74469192 76040272 78015344 83048592 96890024 99566544 102395139 107271098 114060408 117023016 136526852 145335036 148938384 160906647 193780048 204790278 214542196 228120816 234046032 273053704 290670072 321813294 375448843 409580556 429084392 546107408 581340144 643626588 750897686 819161112 858168784 1126346529 1287253176 1501795372 1638322224 2252693058 2574506352 3003590744 4505386116 6007181488 9010772232 18021544464
• Sum of all divisors σ(n): 61471621120
• Sum of proper divisors (its aliquot sum) s(n): 43450076656
• 18021544464 is an abundant number, because the sum of its proper divisors (43450076656) is greater than itself. Its abundance is 25428532192

Bases of 18021544464

• Binary: 10000110010001010101111001000010000₂
• Hexadecimal: 0x4322AF210
• Base-36: 8A1K8PC

Squares and roots of 18021544464

• 18021544464 squared (18021544464²) is 324776064867929047296
• 18021544464 cubed (18021544464³) is 5852966293860331613442022969344
• The square root of 18021544464 is 134244.3461155813
• The cube root of 18021544464 is 2621.7865785915

Scales and comparisons

• 18,021,544,464 seconds is equal to 573 years, 1 week, 3 days, 16 hours, 34 minutes, 24 seconds.
• To count from 1 to 18,021,544,464 would take you about one thousand, one hundred forty-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 18021544464 cubic inches would be around 218.5 feet tall.

Recreational maths with 18021544464

• 18021544464 backwards is 46444512081
• The number of decimal digits it has is: 11
• The sum of 18021544464's digits is 39
• More coming soon!