400071938940

Names of 400071938940

• Cardinal: 400071938940 can be written as Four hundred billion, seventy-one million, nine hundred thirty-eight thousand, nine hundred forty.

Scientific notation

• Scientific notation: 4.0007193894 × 10¹¹

Factors of 400071938940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 264

Divisors of 400071938940

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 43 45 54 60 81 86 90 108 129 135 162 172 180 211 215 243 258 270 324 387 405 422 430 486 516 540 633 645 774 810 844 860 972 1055 1161 1215 1266 1290 1548 1620 1849 1899 1935 2110 2322 2430 2532 2580 3165 3483 3698 3798 3870 4220 4644 4860 5547 5697 5805 6330 6966 7396 7596 7740 9073 9245 9495 10449 11094 11394 11610 12660 13932 16641 17091 17415 18146 18490 18990 20898 22188 22788 23220 27219 27735 28485 33282 34182 34830 36292 36980 37980 41796 44521 45365 49923 51273 52245 54438 55470 56970 66564 68364 69660 81657 83205 85455 89042 90730 99846 102546 104490 108876 110940 113940 133563 136095 149769 163314 166410 170910 178084 181460 199692 205092 208980 222605 244971 249615 256365 267126 272190 299538 326628 332820 341820 390139 400689 408285 445210 449307 489942 499230 512730 534252 544380 599076 667815 734913 748845 780278 801378 816570 890420 898614 979884 998460 1025460 1170417 1202067 1224855 1335630 1469826 1497690 1560556 1602756 1633140 1797228 1914403 1950695 2003445 2204739 2246535 2340834 2404134 2449710 2671260 2939652 2995380 3511251 3606201 3674565 3828806 3901390 4006890 4409478 4493070 4681668 4808268 4899420 5743209 5852085 6010335 7022502 7212402 7349130 7657612 7802780 8013780 8818956 8986140 9572015 10533753 10818603 11023695 11486418 11704170 12020670 14045004 14424804 14698260 17229627 17556255 18031005 19144030 21067506 21637206 22047390 22972836 23408340 24041340 28716045 31601259 34459254 35112510 36062010 38288060 42135012 43274412 44094780 51688881 52668765 54093015 57432090 63202518 68918508 70225020 72124020 82319329 86148135 94803777 103377762 105337530 108186030 114864180 126405036 155066643 158006295 164638658 172296270 189607554 206755524 210675060 216372060 246957987 258444405 310133286 316012590 329277316 344592540 379215108 411596645 465199929 474018885 493915974 516888810 620266572 632025180 740873961 775333215 823193290 930399858 948037770 987831948 1033777620 1234789935 1481747922 1550666430 1646386580 1860799716 1896075540 2222621883 2325999645 2469579870 2963495844 3101332860 3704369805 4445243766 4651999290 4939159740 6667865649 7408739610 8890487532 9303998580 11113109415 13335731298 14817479220 20003596947 22226218830 26671462596 33339328245 40007193894 44452437660 66678656490 80014387788 100017984735 133357312980 200035969470 400071938940
• Sum of all divisors σ(n): 1294581250872
• Sum of proper divisors (its aliquot sum) s(n): 894509311932
• 400071938940 is an abundant number, because the sum of its proper divisors (894509311932) is greater than itself. Its abundance is 494437372992

Bases of 400071938940

• Binary: 101110100100110001001010101001101111100₂
• Hexadecimal: 0x5D2625537C
• Base-36: 53SGI3R0

Squares and roots of 400071938940

• 400071938940 squared (400071938940²) is 160057556327211088323600
• 400071938940 cubed (400071938940³) is 64034536901825605188290246160984000
• The square root of 400071938940 is 632512.4022025181
• The cube root of 400071938940 is 7368.5046796715

Scales and comparisons

• 400,071,938,940 seconds is equal to 12,721 years, 2 weeks, 4 days, 6 hours, 9 minutes.
• To count from 1 to 400,071,938,940 would take you about twenty-five thousand, four hundred forty-two 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 400071938940 cubic inches would be around 614 feet tall.

Recreational maths with 400071938940

• 400071938940 backwards is 049839170004
• 400071938940 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 400071938940's digits is 45
• More coming soon!