72745664992

Names of 72745664992

• Cardinal: 72745664992 can be written as Seventy-two billion, seven hundred forty-five million, six hundred sixty-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 7.2745664992 × 10¹⁰

Factors of 72745664992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 267

Divisors of 72745664992

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 26 28 32 41 44 49 52 56 77 82 88 91 98 104 112 143 154 164 176 182 193 196 208 224 286 287 308 328 352 364 386 392 416 451 533 539 572 574 616 637 656 728 772 784 902 1001 1066 1078 1144 1148 1232 1274 1312 1351 1456 1544 1568 1681 1804 2002 2009 2123 2132 2156 2288 2296 2464 2509 2548 2702 2912 3088 3157 3362 3608 3731 4004 4018 4246 4264 4312 4576 4592 5018 5096 5404 5863 6176 6314 6724 7007 7216 7462 7913 8008 8036 8492 8528 8624 9184 9457 10036 10192 10808 11726 11767 12628 13448 14014 14432 14861 14924 15826 16016 16072 16984 17056 17248 17563 18491 18914 20072 20384 21616 21853 22099 23452 23534 25256 26117 26896 27599 28028 29722 29848 31652 32032 32144 33968 35126 36982 37828 40144 41041 43232 43706 44198 46904 47068 50512 52234 53792 55198 55391 56056 59444 59696 63304 64288 67936 70252 73964 75656 80288 82082 82369 87043 87412 88396 93808 94136 101024 102869 104027 104468 110396 110782 112112 118888 119392 122941 126608 129437 140504 147928 151312 152971 164164 164738 174086 174824 176792 187616 188272 193193 205738 208054 208936 220792 221564 224224 237776 240383 245882 253216 258874 281008 287287 295856 302624 305942 324433 328328 329476 348172 349648 353584 376544 386386 387737 411476 416108 417872 441584 443128 475552 480766 491764 517748 562016 574574 591712 609301 611884 648866 656656 658952 696344 699296 707168 720083 772772 775474 822952 832216 835744 883168 886256 906059 961532 983528 1035496 1070797 1131559 1149148 1218602 1223768 1297732 1313312 1317904 1352351 1392688 1440166 1545544 1550948 1645904 1664432 1682681 1772512 1812118 1923064 1967056 2070992 2141594 2263118 2271031 2298296 2437204 2447536 2595464 2635808 2704702 2785376 2880332 3091088 3101896 3291808 3328864 3365362 3568763 3624236 3846128 3934112 4141984 4217629 4265107 4283188 4526236 4542062 4596592 4874408 4895072 5040581 5190928 5409404 5760664 6182176 6203792 6730724 7137526 7248472 7692256 7920913 8435258 8530214 8566376 9052472 9084124 9193184 9748816 10081162 10381856 10818808 11521328 11778767 12407584 13461448 14275052 14496944 15841826 15897217 16870516 17060428 17132752 18104944 18168248 19497632 20162324 21637616 23042656 23557534 24981341 26922896 28550104 28993888 29523403 31683652 31794434 33741032 34120856 34265504 36209888 36336496 40324648 43275232 46393919 47115068 49962682 53845792 55446391 57100208 59046806 63367304 63588868 67482064 68241712 72672992 80649296 92787838 94230136 99925364 110892782 114200416 118093612 126734608 127177736 134964128 136483424 161298592 174869387 185575676 188460272 199850728 206663821 221785564 236187224 253469216 254355472 324757433 349738774 371151352 376920544 399701456 413327642 443571128 472374448 508710944 649514866 699477548 742302704 799402912 826655284 887142256 944748896 1299029732 1398955096 1484605408 1653310568 1774284512 2273302031 2598059464 2797910192 3306621136 4546604062 5196118928 5595820384 6613242272 9093208124 10392237856 18186416248 36372832496 72745664992
• Sum of all divisors σ(n): 201656253456
• Sum of proper divisors (its aliquot sum) s(n): 128910588464
• 72745664992 is an abundant number, because the sum of its proper divisors (128910588464) is greater than itself. Its abundance is 56164923472

Bases of 72745664992

• Binary: 1000011101111111110101100000111100000₂
• Hexadecimal: 0x10EFFAC1E0
• Base-36: XF2W2CG

Squares and roots of 72745664992

• 72745664992 squared (72745664992²) is 5291931775128294360064
• 72745664992 cubed (72745664992³) is 384965096074002779337578767679488
• The square root of 72745664992 is 269714.0430011015
• The cube root of 72745664992 is 4174.4798853337

Scales and comparisons

• 72,745,664,992 seconds is equal to 2,313 years, 4 weeks, 3 days, 17 hours, 9 minutes, 52 seconds.
• To count from 1 to 72,745,664,992 would take you about four thousand, six hundred twenty-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 72745664992 cubic inches would be around 347.9 feet tall.

Recreational maths with 72745664992

• 72745664992 backwards is 29946654727
• The number of decimal digits it has is: 11
• The sum of 72745664992's digits is 61
• More coming soon!