1561420642744320

Names of 1561420642744320

• Cardinal: 1561420642744320 can be written as One quadrillion, five hundred sixty-one trillion, four hundred twenty billion, six hundred forty-two million, seven hundred forty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.56142064274432 × 10¹⁵

Factors of 1561420642744320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1012

Divisors of 1561420642744320

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 61 64 80 96 120 122 128 160 183 192 240 244 256 305 320 366 384 480 488 512 610 640 732 768 915 941 960 976 1024 1220 1280 1464 1536 1830 1882 1920 1952 2048 2440 2560 2823 2928 3072 3660 3764 3840 3904 4705 4880 5120 5646 5856 6144 7320 7528 7680 7808 9410 9760 10240 11292 11712 14115 14640 15056 15360 15616 18820 19520 22584 23424 28230 29280 30112 30720 31232 37640 39040 45168 46848 56460 57401 58560 60224 62464 75280 78080 90336 93696 112920 114802 117120 120448 124928 150560 156160 172203 180672 187392 225840 229604 234240 240896 287005 301120 312320 344406 361344 374784 451680 459208 468480 481792 574010 602240 624640 688812 722688 861015 885481 903360 918416 936960 963584 1148020 1204480 1377624 1445376 1722030 1770962 1806720 1836832 1873920 1927168 2296040 2408960 2656443 2755248 2890752 3444060 3541924 3613440 3673664 4427405 4592080 4817920 5312886 5510496 5781504 6888120 7083848 7226880 7347328 8854810 9184160 9635840 10625772 11020992 13282215 13776240 14167696 14453760 14694656 17709620 18368320 21251544 22041984 26564430 27552480 28335392 28907520 29389312 35419240 36736640 42503088 44083968 53128860 54014341 55104960 56670784 58778624 70838480 73473280 85006176 88167936 106257720 108028682 110209920 113341568 117557248 141676960 146946560 162043023 170012352 176335872 212515440 216057364 220419840 226683136 270071705 283353920 293893120 324086046 340024704 352671744 425030880 432114728 440839680 453366272 540143410 566707840 587786240 648172092 680049408 810215115 833237621 850061760 864229456 881679360 906732544 1080286820 1133415680 1296344184 1360098816 1620430230 1666475242 1700123520 1728458912 1763358720 1813465088 2160573640 2266831360 2499712863 2592688368 2720197632 3240860460 3332950484 3400247040 3456917824 4166188105 4321147280 4533662720 4999425726 5185376736 5440395264 6481720920 6665900968 6800494080 6913835648 8332376210 8642294560 9067325440 9998851452 10370753472 12498564315 12963441840 13331801936 13600988160 13827671296 16664752420 17284589120 19997702904 20741506944 24997128630 25926883680 26663603872 27201976320 27655342592 33329504840 34569178240 39995405808 41483013888 49994257260 50827494881 51853767360 53327207744 55310685184 66659009680 69138356480 79990811616 82966027776 99988514520 101654989762 103707534720 106654415488 110621370368 133318019360 138276712960 152482484643 159981623232 165932055552 199977029040 203309979524 207415069440 213308830976 254137474405 266636038720 276553425920 304964969286 319963246464 331864111104 399954058080 406619959048 414830138880 426617661952 508274948810 533272077440 553106851840 609929938572 639926492928 762412423215 799908116160 813239918096 829660277760 853235323904 1016549897620 1066544154880 1219859877144 1279852985856 1524824846430 1599816232320 1626479836192 1659320555520 1706470647808 2033099795240 2133088309760 2439719754288 2559705971712 3049649692860 3199632464640 3252959672384 4066199590480 4266176619520 4879439508576 5119411943424 6099299385720 6399264929280 6505919344768 8132399180960 8532353239040 9758879017152 12198598771440 12798529858560 13011838689536 16264798361920 19517758034304 24397197542880 25597059717120 26023677379072 32529596723840 39035516068608 48794395085760 52047354758144 65059193447680 78071032137216 97588790171520 104094709516288 130118386895360 156142064274432 195177580343040 260236773790720 312284128548864 390355160686080 520473547581440 780710321372160 1561420642744320
• Sum of all divisors σ(n): 5082618084747840
• Sum of proper divisors (its aliquot sum) s(n): 3521197442003520
• 1561420642744320 is an abundant number, because the sum of its proper divisors (3521197442003520) is greater than itself. Its abundance is 1959776799259200

Bases of 1561420642744320

• Binary: 101100011000001101010010010110000010111100000000000₂
• Hexadecimal: 0x58C1A92C17800
• Base-36: FDH6QO04QO

Squares and roots of 1561420642744320

• 1561420642744320 squared (1561420642744320²) is 2438034423588085389060892262400
• 1561420642744320 cubed (1561420642744320³) is 3806797276711686013903361890235243789549568000
• The square root of 1561420642744320 is 39514815.4841234201
• The cube root of 1561420642744320 is 116012.9950449601

Scales and comparisons

• 1,561,420,642,744,320 seconds is equal to 49,648,346 years, 33 weeks, 4 days, 21 hours, 52 minutes.
• To count from 1 to 1,561,420,642,744,320 would take you about one hundred forty-eight million, nine hundred forty-five thousand and thirty-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 1561420642744320 cubic inches would be around 9667.7 feet tall.

Recreational maths with 1561420642744320

• 1561420642744320 backwards is 0234472460241651
• The number of decimal digits it has is: 16
• The sum of 1561420642744320's digits is 51
• More coming soon!