168648641568

Names of 168648641568

• Cardinal: 168648641568 can be written as One hundred sixty-eight billion, six hundred forty-eight million, six hundred forty-one thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.68648641568 × 10¹¹

Factors of 168648641568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 142

Divisors of 168648641568

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 59 66 67 72 88 96 99 108 118 132 134 144 176 177 198 201 216 236 264 268 288 297 352 354 396 402 432 472 528 531 536 594 603 649 708 737 792 804 864 944 1056 1062 1072 1188 1206 1298 1416 1474 1584 1593 1608 1809 1888 1947 2124 2144 2211 2376 2412 2596 2832 2948 3168 3186 3216 3618 3894 3953 4248 4422 4489 4752 4824 5192 5664 5841 5896 6372 6432 6633 7236 7788 7906 8496 8844 8978 9504 9648 10384 11682 11792 11859 12744 13266 13467 14472 15576 15812 16992 17523 17688 17956 19296 19899 20768 23364 23584 23718 25488 26532 26934 28944 31152 31624 35046 35376 35577 35912 39798 40401 43483 46728 47436 49379 50976 53064 53868 57888 62304 63248 70092 70752 71154 71824 79596 80802 86966 93456 94872 98758 106128 106731 107736 121203 126496 130449 140184 142308 143648 148137 159192 161604 173932 186912 189744 197516 212256 213462 215472 242406 260898 264851 280368 284616 296274 300763 318384 323208 347864 379488 391347 395032 426924 430944 444411 484812 521796 529702 560736 569232 592548 601526 636768 646416 695728 782694 790064 794553 853848 888822 902289 969624 1043592 1059404 1138464 1174041 1185096 1203052 1292832 1333233 1391456 1565388 1580128 1589106 1707696 1777644 1804578 1939248 2087184 2118808 2348082 2370192 2383659 2406104 2666466 2706867 2913361 3130776 3178212 3308393 3415392 3555288 3609156 3878496 4174368 4237616 4696164 4740384 4767318 4812208 5332932 5413734 5826722 6261552 6356424 6616786 7110576 7150977 7218312 8120601 8475232 8740083 9392328 9534636 9624416 9925179 10665864 10827468 11653444 12523104 12712848 13233572 14221152 14301954 14436624 16241202 17480166 17745017 18784656 19069272 19850358 21331728 21654936 23306888 25425696 26220249 26467144 28603908 28873248 29775537 32482404 34960332 35490034 37569312 38138544 39700716 42663456 43309872 46613776 52440498 52934288 53235051 57207816 59551074 64964808 69920664 70980068 76277088 78660747 79401432 86619744 89326611 93227552 104880996 105868576 106470102 114415632 119102148 129929616 139841328 141960136 157321494 158802864 159705153 178653222 195195187 209761992 212940204 228831264 238204296 259859232 279682656 283920272 314642988 317605728 319410306 357306444 390390374 419523984 425880408 476408592 479115459 567840544 585585561 629285976 638820612 714612888 780780748 839047968 851760816 952817184 958230918 1171171122 1258571952 1277641224 1429225776 1561561496 1703521632 1756756683 1916461836 2342342244 2517143904 2555282448 2858451552 3123122992 3513513366 3832923672 4684684488 5110564896 5270270049 6246245984 7027026732 7665847344 9369368976 10540540098 14054053464 15331694688 18738737952 21081080196 28108106928 42162160392 56216213856 84324320784 168648641568
• Sum of all divisors σ(n): 553972608000
• Sum of proper divisors (its aliquot sum) s(n): 385323966432
• 168648641568 is an abundant number, because the sum of its proper divisors (385323966432) is greater than itself. Its abundance is 216675324864

Bases of 168648641568

• Binary: 10011101000100001111100000110000100000₂
• Hexadecimal: 0x27443E0C20
• Base-36: 25H51OO0

Squares and roots of 168648641568

• 168648641568 squared (168648641568²) is 28442364302731737498624
• 168648641568 cubed (168648641568³) is 4796766102637883040663303869202432
• The square root of 168648641568 is 410668.5300433917
• The cube root of 168648641568 is 5524.9406333159

Scales and comparisons

• 168,648,641,568 seconds is equal to 5,362 years, 26 weeks, 1 day, 20 hours, 52 minutes, 48 seconds.
• To count from 1 to 168,648,641,568 would take you about ten thousand, seven hundred twenty-five 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 168648641568 cubic inches would be around 460.4 feet tall.

Recreational maths with 168648641568

• 168648641568 backwards is 865146846861
• The number of decimal digits it has is: 12
• The sum of 168648641568's digits is 63
• More coming soon!