18902141440

Names of 18902141440

• Cardinal: 18902141440 can be written as Eighteen billion, nine hundred two million, one hundred forty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.890214144 × 10¹⁰

Factors of 18902141440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2047

Divisors of 18902141440

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 41 52 56 64 65 70 80 82 91 104 112 128 130 140 160 164 182 205 208 224 256 260 280 287 320 328 364 410 416 448 455 512 520 533 560 574 640 656 728 820 832 896 910 1040 1066 1120 1148 1280 1312 1435 1456 1640 1664 1792 1820 1979 2080 2132 2240 2296 2560 2624 2665 2870 2912 3280 3328 3584 3640 3731 3958 4160 4264 4480 4592 5248 5330 5740 5824 6560 6656 7280 7462 7916 8320 8528 8960 9184 9895 10496 10660 11480 11648 13120 13853 14560 14924 15832 16640 17056 17920 18368 18655 19790 20992 21320 22960 23296 25727 26240 27706 29120 29848 31664 33280 34112 36736 37310 39580 42640 45920 46592 51454 52480 55412 58240 59696 63328 68224 69265 73472 74620 79160 81139 85280 91840 102908 104960 110824 116480 119392 126656 128635 136448 138530 146944 149240 158320 162278 170560 180089 183680 205816 221648 232960 238784 253312 257270 272896 277060 298480 316640 324556 341120 360178 367360 405695 411632 443296 477568 506624 514540 554120 567973 596960 633280 649112 682240 720356 734720 811390 823264 886592 900445 955136 1013248 1029080 1054807 1108240 1135946 1193920 1266560 1298224 1364480 1440712 1622780 1646528 1773184 1800890 1910272 2058160 2109614 2216480 2271892 2387840 2533120 2596448 2839865 2881424 3245560 3293056 3546368 3601780 4116320 4219228 4432960 4543784 4775680 5066240 5192896 5274035 5679730 5762848 6491120 6586112 7092736 7203560 7383649 8232640 8438456 8865920 9087568 9551360 10385792 10548070 11359460 11525696 12982240 13172224 14407120 14767298 16465280 16876912 17731840 18175136 20771584 21096140 22718920 23051392 25964480 28814240 29534596 32930560 33753824 35463680 36350272 36918245 41543168 42192280 45437840 46102784 51928960 57628480 59069192 65861120 67507648 72700544 73836490 84384560 90875680 92205568 103857920 115256960 118138384 135015296 145401088 147672980 168769120 181751360 207715840 230513920 236276768 270030592 290802176 295345960 337538240 363502720 461027840 472553536 540061184 590691920 675076480 727005440 945107072 1181383840 1350152960 1454010880 1890214144 2362767680 2700305920 3780428288 4725535360 9451070720 18902141440
• Sum of all divisors σ(n): 57168840960
• Sum of proper divisors (its aliquot sum) s(n): 38266699520
• 18902141440 is an abundant number, because the sum of its proper divisors (38266699520) is greater than itself. Its abundance is 19364558080

Bases of 18902141440

• Binary: 10001100110101001111100101000000000₂
• Hexadecimal: 0x466A7CA00
• Base-36: 8OLUHOG

Squares and roots of 18902141440

• 18902141440 squared (18902141440²) is 357290951017765273600
• 18902141440 cubed (18902141440³) is 6753564091369911154307497984000
• The square root of 18902141440 is 137485.0589700569
• The cube root of 18902141440 is 2663.8126042405

Scales and comparisons

• 18,902,141,440 seconds is equal to 601 years, 1 week, 3 days, 18 hours, 50 minutes, 40 seconds.
• To count from 1 to 18,902,141,440 would take you about one thousand, two hundred two 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 18902141440 cubic inches would be around 222 feet tall.

Recreational maths with 18902141440

• 18902141440 backwards is 04414120981
• The number of decimal digits it has is: 11
• The sum of 18902141440's digits is 34
• More coming soon!