51991443920

Names of 51991443920

• Cardinal: 51991443920 can be written as Fifty-one billion, nine hundred ninety-one million, four hundred forty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 5.199144392 × 10¹⁰

Factors of 51991443920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 110

Divisors of 51991443920

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 37 40 52 53 65 74 80 104 106 130 148 169 185 208 212 260 265 296 338 370 424 481 520 530 592 676 689 740 845 848 962 1040 1060 1352 1369 1378 1480 1690 1924 1961 2120 2405 2704 2738 2756 2809 2960 3380 3445 3848 3922 4240 4810 5476 5512 5618 6253 6760 6845 6890 7696 7844 8957 9620 9805 10952 11024 11236 12506 13520 13690 13780 14045 15688 17797 17914 19240 19610 21904 22472 25012 25493 27380 27560 28090 31265 31376 35594 35828 36517 38480 39220 44785 44944 50024 50986 54760 55120 56180 62530 71188 71656 72557 73034 78440 88985 89570 100048 101972 103933 109520 112360 125060 127465 142376 143312 145114 146068 156880 177970 179140 182585 203944 207866 224720 231361 250120 254930 284752 290228 292136 331409 355940 358280 362785 365170 407888 415732 462722 474721 500240 509860 519665 580456 584272 662818 711880 716560 725570 730340 831464 925444 943241 949442 1019720 1039330 1156805 1160912 1325636 1351129 1423760 1451140 1460680 1657045 1662928 1850888 1886482 1898884 2039440 2078660 2313610 2373605 2651272 2702258 2902280 2921360 3314090 3701776 3772964 3797768 3845521 4157320 4627220 4716205 4747210 5302544 5404516 5804560 6628180 6755645 7545928 7595536 7691042 8314640 9254440 9432410 9494420 10809032 12262133 13256360 13511290 15091856 15382084 17564677 18508880 18864820 18988840 19227605 21618064 24524266 26512720 27022580 30764168 35129354 37729640 37977680 38455210 49048532 49991773 54045160 61310665 61528336 70258708 75459280 76910420 87823385 98097064 99983546 108090320 122621330 140517416 153820840 175646770 196194128 199967092 245242660 249958865 281034832 307641680 351293540 399934184 490485320 499917730 649893049 702587080 799868368 980970640 999835460 1299786098 1405174160 1999670920 2599572196 3249465245 3999341840 5199144392 6498930490 10398288784 12997860980 25995721960 51991443920
• Sum of all divisors σ(n): 137113267158
• Sum of proper divisors (its aliquot sum) s(n): 85121823238
• 51991443920 is an abundant number, because the sum of its proper divisors (85121823238) is greater than itself. Its abundance is 33130379318

Bases of 51991443920

• Binary: 110000011010111011100111100111010000₂
• Hexadecimal: 0xC1AEE79D0
• Base-36: NVUD2VK

Squares and roots of 51991443920

• 51991443920 squared (51991443920²) is 2703110240886504966400
• 51991443920 cubed (51991443920³) is 140538604498628414045387084288000
• The square root of 51991443920 is 228016.3238016085
• The cube root of 51991443920 is 3732.3064297929

Scales and comparisons

• 51,991,443,920 seconds is equal to 1,653 years, 8 weeks, 4 days, 19 hours, 45 minutes, 20 seconds.
• To count from 1 to 51,991,443,920 would take you about three thousand, three hundred six 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 51991443920 cubic inches would be around 311 feet tall.

Recreational maths with 51991443920

• 51991443920 backwards is 02934419915
• The number of decimal digits it has is: 11
• The sum of 51991443920's digits is 47
• More coming soon!