51987947520

Names of 51987947520

• Cardinal: 51987947520 can be written as Fifty-one billion, nine hundred eighty-seven million, nine hundred forty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 5.198794752 × 10¹⁰

Factors of 51987947520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 675

Divisors of 51987947520

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 41 48 51 60 64 68 80 82 85 96 102 120 123 128 136 160 164 170 192 204 205 240 246 255 256 272 320 328 340 384 408 410 480 492 510 512 544 607 615 640 656 680 697 768 816 820 960 984 1020 1024 1088 1214 1230 1280 1312 1360 1394 1536 1632 1640 1821 1920 1968 2040 2048 2091 2176 2428 2460 2560 2624 2720 2788 3035 3072 3264 3280 3485 3642 3840 3936 4080 4096 4182 4352 4856 4920 5120 5248 5440 5576 6070 6144 6528 6560 6970 7284 7680 7872 8160 8192 8364 8704 9105 9712 9840 10240 10319 10455 10496 10880 11152 12140 12288 13056 13120 13940 14568 15360 15744 16320 16728 17408 18210 19424 19680 20480 20638 20910 20992 21760 22304 24280 24576 24887 26112 26240 27880 29136 30720 30957 31488 32640 33456 34816 36420 38848 39360 40960 41276 41820 41984 43520 44608 48560 49774 51595 52224 52480 55760 58272 61440 61914 62976 65280 66912 69632 72840 74661 77696 78720 82552 83640 83968 87040 89216 97120 99548 103190 104448 104960 111520 116544 122880 123828 124435 125952 130560 133824 139264 145680 149322 154785 155392 157440 165104 167280 167936 174080 178432 194240 199096 206380 208896 209920 223040 233088 247656 248870 251904 261120 267648 291360 298644 309570 310784 314880 330208 334560 335872 348160 356864 373305 388480 398192 412760 417792 419840 423079 446080 466176 495312 497740 503808 522240 535296 582720 597288 619140 621568 629760 660416 669120 696320 713728 746610 776960 796384 825520 839680 846158 892160 932352 990624 995480 1007616 1044480 1070592 1165440 1194576 1238280 1243136 1259520 1269237 1320832 1338240 1427456 1493220 1553920 1592768 1651040 1679360 1692316 1784320 1864704 1981248 1990960 2088960 2115395 2141184 2330880 2389152 2476560 2486272 2519040 2538474 2641664 2676480 2854912 2986440 3107840 3185536 3302080 3384632 3568640 3729408 3962496 3981920 4230790 4282368 4661760 4778304 4953120 4972544 5038080 5076948 5283328 5352960 5709824 5972880 6215680 6346185 6371072 6604160 6769264 7137280 7458816 7924992 7963840 8461580 8564736 9323520 9556608 9906240 10153896 10566656 10705920 11945760 12431360 12692370 12742144 13208320 13538528 14274560 14917632 15849984 15927680 16923160 17129472 18647040 19113216 19812480 20307792 21133312 21411840 23891520 24862720 25384740 25484288 26416640 27077056 28549120 31699968 31855360 33846320 37294080 38226432 39624960 40615584 42266624 42823680 47783040 50769480 50968576 52833280 54154112 63399936 63710720 67692640 74588160 76452864 79249920 81231168 84533248 85647360 95566080 101538960 101937152 105666560 108308224 126799872 127421440 135385280 152905728 158499840 162462336 191132160 203077920 203874304 211333120 216616448 253599744 254842880 270770560 305811456 316999680 324924672 382264320 406155840 422666240 433232896 509685760 541541120 611622912 633999360 649849344 764528640 812311680 866465792 1019371520 1083082240 1267998720 1299698688 1529057280 1624623360 1732931584 2166164480 2599397376 3058114560 3249246720 3465863168 4332328960 5198794752 6498493440 8664657920 10397589504 12996986880 17329315840 25993973760 51987947520
• Sum of all divisors σ(n): 180729916416
• Sum of proper divisors (its aliquot sum) s(n): 128741968896
• 51987947520 is an abundant number, because the sum of its proper divisors (128741968896) is greater than itself. Its abundance is 76754021376

Bases of 51987947520

• Binary: 110000011010101110010010000000000000₂
• Hexadecimal: 0xC1AB92000
• Base-36: NVSA51C

Squares and roots of 51987947520

• 51987947520 squared (51987947520²) is 2702746687342274150400
• 51987947520 cubed (51987947520³) is 140510252941403996808447787008000
• The square root of 51987947520 is 228008.6566777673
• The cube root of 51987947520 is 3732.2227626371

Scales and comparisons

• 51,987,947,520 seconds is equal to 1,653 years, 2 weeks, 6 days, 8 hours, 32 minutes.
• To count from 1 to 51,987,947,520 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 51987947520 cubic inches would be around 311 feet tall.

Recreational maths with 51987947520

• 51987947520 backwards is 02574978915
• The number of decimal digits it has is: 11
• The sum of 51987947520's digits is 57
• More coming soon!