21978404010368

Names of 21978404010368

• Cardinal: 21978404010368 can be written as Twenty-one trillion, nine hundred seventy-eight billion, four hundred four million, ten thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1978404010368 × 10¹³

Factors of 21978404010368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 840

Divisors of 21978404010368

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 8 13 16 26 31 32 52 61 62 64 104 122 124 128 169 208 244 248 338 403 416 488 496 676 733 793 806 832 976 992 1352 1466 1586 1612 1664 1891 1952 1984 2704 2932 3172 3224 3782 3904 3968 5239 5408 5864 6344 6448 7564 7808 9529 10309 10478 10816 11728 12688 12896 15128 19058 20618 20956 21632 22723 23456 24583 25376 25792 30256 38116 41236 41912 44713 45446 46912 49166 50752 51584 60512 76232 82472 83824 89426 90892 93824 98332 101504 121024 123877 152464 164944 167648 178852 181784 196664 242048 247754 295399 304928 319579 329888 335296 357704 363568 393328 495508 537289 581269 590798 609856 639158 659776 670592 715408 727136 786656 991016 1074578 1162538 1181596 1219712 1278316 1319552 1386103 1430816 1454272 1573312 1982032 2149156 2325076 2363192 2556632 2772206 2861632 2908544 3146624 3840187 3964064 4298312 4650152 4726384 5113264 5544412 5723264 6984757 7556497 7680374 7928128 8596624 9300304 9452768 10226528 11088824 13969514 15112994 15360748 15856256 16655959 17193248 18019339 18600608 18905536 20453056 22177648 27939028 30225988 30721496 32774629 33311918 34386496 36038678 37201216 37811072 40906112 44355296 55878056 60451976 61442992 65549258 66623836 68772992 72077356 74402432 88710592 90801841 111756112 120903952 122885984 131098516 133247672 144154712 177421184 181603682 216527467 223512224 234251407 241807904 245771968 262197032 266495344 288309424 363207364 426070177 433054934 447024448 468502814 483615808 491543936 524394064 532990688 576618848 726414728 852140354 866109868 894048896 937005628 967231616 1016013499 1048788128 1065981376 1153237696 1452829456 1704280708 1732219736 1874011256 2032026998 2097576256 2131962752 2306475392 2814857071 2905658912 3408561416 3464439472 3748022512 4064053996 4195152512 5538912301 5629714142 5811317824 6817122832 6928878944 7496045024 8128107992 11077824602 11259428284 11622635648 13208175487 13634245664 13857757888 14992090048 16256215984 22155649204 22518856568 26416350974 27268491328 27715515776 29984180096 32512431968 44311298408 45037713136 52832701948 54536982656 65024863936 88622596816 90075426272 105665403896 130049727872 171706281331 177245193632 180150852544 211330807792 343412562662 354490387264 360301705088 422661615584 686825125324 708980774528 845323231168 1373650250648 1690646462336 2747300501296 5494601002592 10989202005184 21978404010368
• Sum of all divisors σ(n): 49811977097280
• Sum of proper divisors (its aliquot sum) s(n): 27833573086912
• 21978404010368 is an abundant number, because the sum of its proper divisors (27833573086912) is greater than itself. Its abundance is 5855169076544

Bases of 21978404010368

• Binary: 100111111110100111110111101101011100110000000₂
• Hexadecimal: 0x13FD3EF6B980
• Base-36: 7SGQMA5Q8

Squares and roots of 21978404010368

• 21978404010368 squared (21978404010368²) is 483050242842960185451495424
• 21978404010368 cubed (21978404010368³) is 10616673394508952429563700035584400556032
• The square root of 21978404010368 is 4688113.0543501187
• The cube root of 21978404010368 is 28011.2216969093

Scales and comparisons

• 21,978,404,010,368 seconds is equal to 698,845 years, 13 weeks, 5 days, 1 hour, 6 minutes, 8 seconds.
• To count from 1 to 21,978,404,010,368 would take you about one million, seven hundred forty-seven thousand, one hundred thirteen 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 21978404010368 cubic inches would be around 2334.3 feet tall.

Recreational maths with 21978404010368

• 21978404010368 backwards is 86301040487912
• The number of decimal digits it has is: 14
• The sum of 21978404010368's digits is 53
• More coming soon!