21835143680

Names of 21835143680

• Cardinal: 21835143680 can be written as Twenty-one billion, eight hundred thirty-five million, one hundred forty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.183514368 × 10¹⁰

Factors of 21835143680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 431

Divisors of 21835143680

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 56 64 70 80 82 112 113 128 140 160 164 205 224 226 256 263 280 287 320 328 410 448 452 512 526 560 565 574 640 656 791 820 896 904 1052 1120 1130 1148 1280 1312 1315 1435 1582 1640 1792 1808 1841 2104 2240 2260 2296 2560 2624 2630 2870 3164 3280 3584 3616 3682 3955 4208 4480 4520 4592 4633 5248 5260 5740 6328 6560 7232 7364 7910 8416 8960 9040 9184 9205 9266 10496 10520 10783 11480 12656 13120 14464 14728 15820 16832 17920 18080 18368 18410 18532 20992 21040 21566 22960 23165 25312 26240 28928 29456 29719 31640 32431 33664 36160 36736 36820 37064 42080 43132 45920 46330 50624 52480 53915 57856 58912 59438 63280 64862 67328 72320 73472 73640 74128 75481 84160 86264 91840 92660 101248 104960 107830 117824 118876 126560 129724 134656 144640 146944 147280 148256 148595 150962 162155 168320 172528 183680 185320 202496 208033 215660 235648 237752 253120 259448 289280 294560 296512 297190 301924 324310 336640 345056 367360 370640 377405 404992 416066 431320 471296 475504 506240 518896 589120 593024 594380 603848 648620 673280 690112 734720 741280 754810 832132 862640 942592 951008 1012480 1037792 1040165 1178240 1186048 1188760 1207696 1218479 1297240 1380224 1482560 1509620 1664264 1725280 1902016 2024960 2075584 2080330 2356480 2372096 2377520 2415392 2436958 2594480 2760448 2965120 3019240 3328528 3450560 3804032 4151168 4160660 4712960 4755040 4830784 4873916 5188960 5520896 5930240 6038480 6092395 6657056 6901120 7608064 8302336 8321320 8529353 9510080 9661568 9747832 10377920 11860480 12076960 12184790 13314112 13802240 15216128 16604672 16642640 17058706 19020160 19323136 19495664 20755840 24153920 24369580 26628224 27604480 33285280 34117412 38040320 38646272 38991328 41511680 42646765 48307840 48739160 53256448 66570560 68234824 76080640 77982656 83023360 85293530 96615680 97478320 106512896 133141120 136469648 155965312 170587060 193231360 194956640 266282240 272939296 311930624 341174120 389913280 532564480 545878592 623861248 682348240 779826560 1091757184 1364696480 1559653120 2183514368 2729392960 3119306240 4367028736 5458785920 10917571840 21835143680
• Sum of all divisors σ(n): 62069027328
• Sum of proper divisors (its aliquot sum) s(n): 40233883648
• 21835143680 is an abundant number, because the sum of its proper divisors (40233883648) is greater than itself. Its abundance is 18398739968

Bases of 21835143680

• Binary: 10100010101011110011101101000000000₂
• Hexadecimal: 0x51579DA00
• Base-36: A142WOW

Squares and roots of 21835143680

• 21835143680 squared (21835143680²) is 476773499526243942400
• 21835143680 cubed (21835143680³) is 10410417864971948413033644032000
• The square root of 21835143680 is 147767.1941941107
• The cube root of 21835143680 is 2795.0227768791

Scales and comparisons

• 21,835,143,680 seconds is equal to 694 years, 15 weeks, 13 hours, 41 minutes, 20 seconds.
• To count from 1 to 21,835,143,680 would take you about one thousand, three hundred eighty-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 21835143680 cubic inches would be around 232.9 feet tall.

Recreational maths with 21835143680

• 21835143680 backwards is 08634153812
• 21835143680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21835143680's digits is 41
• More coming soon!