1991299791743943552

Names of 1991299791743943552

• Cardinal: 1991299791743943552 can be written as One quintillion, nine hundred ninety-one quadrillion, two hundred ninety-nine trillion, seven hundred ninety-one billion, seven hundred forty-three million, nine hundred forty-three thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 1.991299791743943552 × 10¹⁸

Factors of 1991299791743943552

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 223271

Divisors of 1991299791743943552

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 13037 26074 39111 52148 78222 104296 117333 156444 208592 210229 234666 312888 351999 417184 420458 469332 625776 630687 703998 834368 840916 938664 1251552 1261374 1407996 1668736 1681832 1877328 1892061 2503104 2522748 2815992 3363664 3754656 3784122 5006208 5045496 5631984 5676183 6727328 7509312 7568244 10090992 11263968 11352366 13454656 15018624 15136488 20181984 22527936 22704732 26909312 30272976 40363968 45055872 45409464 60545952 80727936 90818928 121091904 181637856 242183808 363275712 726551424 2740755473 5481510946 8222266419 10963021892 16444532838 21926043784 24666799257 32889065676 43852087568 44196232441 49333598514 65778131352 74000397771 87704175136 88392464882 98667197028 131556262704 132588697323 148000795542 175408350272 176784929764 197334394056 263112525408 265177394646 296001591084 350816700544 353569859528 394668788112 397766091969 526225050816 530354789292 592003182168 707139719056 789337576224 795532183938 1052450101632 1060709578584 1184006364336 1193298275907 1414279438112 1578675152448 1591064367876 2121419157168 2368012728672 2386596551814 2828558876224 3157350304896 3182128735752 4242838314336 4736025457344 4773193103628 5657117752448 6364257471504 8485676628672 9472050914688 9546386207256 12728514943008 16971353257344 19092772414512 25457029886016 38185544829024 50914059772032 76371089658048 152742179316096 576186282333317 1152372564666634 1728558846999951 2304745129333268 3457117693999902 4609490258666536 5185676540999853 6914235387999804 9218980517333072 10371353081999706 13828470775999608 15557029622999559 18437961034666144 20742706163999412 27656941551999216 31114059245999118 36875922069332288 41485412327998824 55313883103998432 62228118491998236 73751844138664576 82970824655997648 110627766207996864 124456236983996472 165941649311995296 221255532415993728 248912473967992944 331883298623990592 497824947935985888 663766597247981184 995649895871971776 1991299791743943552
• Sum of all divisors σ(n): 5877578839353879600
• Sum of proper divisors (its aliquot sum) s(n): 3886279047609936048
• 1991299791743943552 is an abundant number, because the sum of its proper divisors (3886279047609936048) is greater than itself. Its abundance is 1894979255865992496

Bases of 1991299791743943552

• Binary: 1101110100010100001001001110000111000001101010000001110000000₂
• Hexadecimal: 0x1BA2849C38350380
• Base-36: F4N4V3HZBHC0

Squares and roots of 1991299791743943552

• 1991299791743943552 squared (1991299791743943552²) is 3965274860599472960780247272562376704
• 1991299791743943552 cubed (1991299791743943552³) is 7896051004119225305962534354552594612526835530735812608
• The square root of 1991299791743943552 is 1411134221.7322714877
• The cube root of 1991299791743943552 is 1258091.4651098679

Scales and comparisons

• 1,991,299,791,743,943,552 seconds is equal to 63,317,173,882 years, 40 weeks, 4 days, 16 hours, 19 minutes, 12 seconds.
• To count from 1 to 1,991,299,791,743,943,552 would take you about two hundred twenty-one billion, six hundred ten million, one hundred eight thousand, five hundred eighty-nine 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 1991299791743943552 cubic inches would be around 104841 feet tall.

Recreational maths with 1991299791743943552

• 1991299791743943552 backwards is 2553493471979921991
• The number of decimal digits it has is: 19
• The sum of 1991299791743943552's digits is 99
• More coming soon!