51136981920

Names of 51136981920

• Cardinal: 51136981920 can be written as Fifty-one billion, one hundred thirty-six million, nine hundred eighty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 5.113698192 × 10¹⁰

Factors of 51136981920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 90873

Divisors of 51136981920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 23 24 30 32 34 36 40 45 46 48 51 60 68 69 72 80 85 90 92 96 102 115 120 136 138 144 153 160 170 180 184 204 207 230 240 255 272 276 288 306 340 345 360 368 391 408 414 460 480 510 544 552 612 680 690 720 736 765 782 816 828 920 1020 1035 1104 1173 1224 1360 1380 1440 1530 1564 1632 1656 1840 1955 2040 2070 2208 2346 2448 2720 2760 3060 3128 3312 3519 3680 3910 4080 4140 4692 4896 5520 5865 6120 6256 6624 7038 7820 8160 8280 9384 11040 11730 12240 12512 14076 15640 16560 17595 18768 23460 24480 28152 31280 33120 35190 37536 46920 56304 62560 70380 90823 93840 112608 140760 181646 187680 272469 281520 363292 454115 544938 563040 726584 817407 908230 1089876 1362345 1453168 1543991 1634814 1816460 2088929 2179752 2724690 2906336 3087982 3269628 3632920 4087035 4177858 4359504 4631973 5449380 6175964 6266787 6539256 7265840 7719955 8174070 8355716 8719008 9263946 10444645 10898760 12351928 12533574 13078512 13895919 14531680 15439910 16348140 16711432 18527892 18800361 20889290 21797520 23159865 24703856 25067148 26157024 27791838 30879820 31333935 32696280 33422864 35511793 37055784 37600722 41778580 43595040 46319730 49407712 50134296 55583676 61759640 62667870 65392560 66845728 69479595 71023586 74111568 75201444 83557160 92639460 94001805 100268592 106535379 111167352 123519280 125335740 130785120 138959190 142047172 148223136 150402888 167114320 177558965 185278920 188003610 200537184 213070758 222334704 247038560 250671480 277918380 284094344 300805776 319606137 334228640 355117930 370557840 376007220 426141516 444669408 501342960 532676895 555836760 568188688 601611552 639212274 710235860 741115680 752014440 852283032 1002685920 1065353790 1111673520 1136377376 1278424548 1420471720 1504028880 1598030685 1704566064 2130707580 2223347040 2556849096 2840943440 3008057760 3196061370 3409132128 4261415160 5113698192 5681886880 6392122740 8522830320 10227396384 12784245480 17045660640 25568490960 51136981920
• Sum of all divisors σ(n): 192805546752
• Sum of proper divisors (its aliquot sum) s(n): 141668564832
• 51136981920 is an abundant number, because the sum of its proper divisors (141668564832) is greater than itself. Its abundance is 90531582912

Bases of 51136981920

• Binary: 101111101000000000000110101110100000₂
• Hexadecimal: 0xBE8006BA0
• Base-36: NHPMZS0

Squares and roots of 51136981920

• 51136981920 squared (51136981920²) is 2614990919886406886400
• 51136981920 cubed (51136981920³) is 133722743391195357403600293888000
• The square root of 51136981920 is 226134.8755057475
• The cube root of 51136981920 is 3711.7469830081

Scales and comparisons

• 51,136,981,920 seconds is equal to 1,625 years, 51 weeks, 6 days, 5 hours, 12 minutes.
• To count from 1 to 51,136,981,920 would take you about three thousand, two hundred fifty-one 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 51136981920 cubic inches would be around 309.3 feet tall.

Recreational maths with 51136981920

• 51136981920 backwards is 02918963115
• 51136981920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51136981920's digits is 45
• More coming soon!